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Faculty Member Details

Staff Id : 08248
Name : Dr. D. GEETHA
Designation : ASSOCIATE PROFESSOR & Nodal Officer for OBC Cell
Department : PHYSICS
Qualification : M.Sc.,M.Phil.,Ph.D.,
Specialization : Nanoscience and technology
Date of Birth : 31-07-1972
Date of Joining : 03-03-2003

Present Address Contact Number E-Mail Address
W/O P.S. Ramesh, No 7c, Tobacco Garden,
Annamalai Nagar - 608 002.
9842566555geeramphyau@gmail.com

Research Guidance
Discipline Awarded Guidance
M.Phil./M.E./M.Sc. 38-
Ph.D. 85


Conference /Seminar / Symposia / Workshop
Conference Seminar Symposia Workshop
National International
Attended 30451445
Conducted 1----


Research Projects
Major Projects Minor Projects Total Amount (Rs.)
Completed ---
Ongoing 1-11,75,500/-

Teaching and Research Experience Industry Experience
22 Years -

Journals Conference Books Published Popular Article
National International National International
15 70 33 36 1 -

List of Publications - National
J. WILLIAM BROWN1, D. GEETHA1,*, P.S. RAMESH2 and SUREKHA PODILI1, "Hydrothermal Synthesis and Electrochemical Characterization of Hexagonal Zr-CuS Nanocomposite and its Charge Storage Capacity.", ASIAN JOURNAL OF CHEMISTRY, Volume 32, Number 7, Jun 2020, pp. 635--1641. 10.14233/ajchem.2020.22497.
D.Geetha, T.Thilagavathi, P.S.Ramesh, C.Rakkappan , "Acoustical Studies on solutions of Surfactant-polymer in Ethanol.", Journal of ultra science , Volume 21, Number 2, Apr 2009, pp. 239-244. 2009.
D.Geetha, P.S.Ramesh, A. Panneerselvam, "Ultrasonic studies on polymer blends in n-Alcohols.", Acta cienica Indica, Volume 34, Number 2, Jun 2008, pp. 213-217. 2008.
D.Geetha, V.Durgadevi, P.S.Ramesh, C.Rakkappan, "acoustical studies on waste mulberry silk varieties in strong aqueous electrolytes.", Annamalai University Science Journal, Volume 45, Number 2, Aug 2008, pp. 47-50. 2008.
D.Geetha, T.Thilagavathi, P.S.Ramesh, C.Rakkappan , "Ultrasonic studies aqueous biopolymer and carbohydrate solutions.", Annamalai University Science Journal, Volume 45, Number 2, Sep 2008, pp. 51-58. 2008.
D.Geetha, S.Kavitha, P.S.Ramesh, C.Rakkappan, "Ultrasonic, FTIR and SEM-EDS analysis on Aqueous Solutions of Polymer and surfactant.", Annamalai University Science Journal, Volume 45, Number 2, Sep 2008, pp. 59-66. 2008.
A.Paneerselvam, D.Geetha, "Ultrasonic Studies on HIV Drug:β-Cyclodextrin: polyvinylpyrrolidone Ternary Complex Formation.", Bulletin of pure and applied sciences, Volume 26D, Number 1, Feb 2007, pp. 59-65. 2007.
D.Geetha, P.S.Ramesh, C.Rakkappan , "Acoustical Studies on Aqueous Solutions of polyhydroxy cellulose derivatives.", Journal of acoustical society of India, Volume 34, Number 2, May 2007, pp. 109-116. 2007.
D.Geetha, C.Rakkappan, "Effect of alkyl amines on the growth of sodium lauryl sulphate micelles.", Journal of pure applied ultrasonic, Volume 29, Number 2, Nov 2007, pp. 65-70. 2007.
D.Geetha, P.S.Ramesh, C.Rakkappan , "Acoustical studies on cellulose acetate phthalate in alkali metal hydroxides and water mixture.", Journal of pure applied ultrasonic, Volume 29, Number 2, Jun 2007, pp. 71-74. 2007.
D.Geetha, P.S.Ramesh, C.Rakkappan , "Influence of alkali earth metal ions on the aqueous solutions of sodium carboxy methyl cellulose.", Acta cienica India physics , Volume 32, Number 3, Jun 2006, pp. 347-350. 2006.
D.Geetha, M.K.Rajeswari, P.S.Ramesh, "Ultrasonic investigation on aqueous solution of polymer blends.", Acta cienica Indica, Volume 32, Number 4, May 2006, pp. 409-411. 2006.
D.Geetha, P.S.Ramesh, C.Rakkappan , "Electrolytes in aqueous PEG solution –An ultrasonic study .", Journal of Annamalai University, Volume 43, Number 2, Jul 2006, pp. 37-40. 2006.
P.S.Ramesh, C.Rakkappan, D.Geetha, "Ultrasonic studies on aqueous sodium CMC solution at different pH and concentration.", Journal of Current Science , Volume 7, Number 2, Feb 2005, pp. 427-432. 2005.
P.S.Ramesh, D.Geetha, C.Rakkappan,, "Ultrasonic absorption in aqueous sodium Carboxy methyl cellulose with addition of alkali earth metal ions.", Journal of Current Science , Volume 7, Number 2, May 2005, pp. 585-588. 2005.
List of Publications - International
M. Silambarasan1 �,· P. S. Ramesh2 �,· D. Geetha3 �,· K. Ravikumar1 �,· H. Elhosiny Ali4,5 �,· H. Algarni4 �,· P. Soundhirarajan6 �,· Kamlesh V. Chandekar7 �,· Mohd. Shkir4, "A Facile Preparation of Zinc Cobaltite ( ZnCo2O4) Nanostructures for Promising Supercapacitor Applications.", Journal of Inorganic and Organometallic Polymers and Materials, Volume 1, Number 4, Jul 2021, pp. 1-16. 2021/doi.org/10.1007/s10904-021-02077-z.
Surekha Podili1 · D. Geetha1 · P. S. Ramesh2, "Tuning the dopant ( Zn2+) composition for uniform mesoporous Zn–CuS nanoflower via hydrothermal approach as a novel electrode material for high‑rate supercapacitor.", SN Applied Sciences, Volume 2, Number 1, May 2020, pp. 1023-1034. 0.1007/s42452-020-2668-5.
J. William Brown1, P.S. Ramesh2,* and D. Geetha1, "Photodegradation of Methylene Blue Dye Using Nanocomposites of Copper Sulfide Doped with Fe/ Cd/Zr as Nanophotocatalyst.", Indian Journal of Science and Technology, Volume 12, Number 45, Dec 2019, pp. 1-11. 10.17485/ijst/2019/v12i45/148384.
D. Geetha1 · J. William Brown1 · P. S. Ramesh2 · Surekha Podili1, "Nanoporous transition metal sulfide (Cd–CuS) active electrode material for electrochemical energy storage device.", Journal of Materials Science: Materials in Electronics, Volume 12, Number 1, Nov 2019, pp. 1-11. 10.1007/s10854-019-02609-x.
Sathiyapriya Renganathan, Vincent Aroulmoji, Gnanendra shanmugam, Geetha devarajan,Kalagadda Venkateswara rao, vanga Raiendar and Si-Hyun Park, "Silver nanoparticles synthesis from carica papaya and virtual screening for anti-dengue activity using molecular docking.", Materials Research Express, Volume 6, Number 1, Dec 2018, pp. 1-12. 2019/Doi.org/10.1088/2053-1591/aaf6fb.
Surekha Podili, D. Geetha, P. S. Ramesh, "A Report on CTAB Stabilized CuS Nanostructures with Enhanced Structural, Morphological and Electrochemical Properties.", International Journal for Research in Applied Science & Engineering Technology, Volume 6, Number 2, Feb 2018, pp. 2313-2319. 2018.
J William Brown, P S Ramesh, D.Geetha, "Fabrication of mesoporous iron (Fe) doped copper sulfide (CuS) nanocomposite in the presence of a cationic surfactant via mild hydrothermal method for supercapacitors.", Mater. Res. Express , Volume 5, Number 024007, Feb 2018, pp. 1-8. 10.1088/2053-1591/aaad55 P.
Surekha Podili, D. Geetha, P. S. Ramesh, "Electrochemical studies on Ni doped CuS nanostructures with cationic surfactant synthesized through a hydrothermal route.", Journal of Materials Science: Materials in Electronics (2018) , Volume 29, Number 13, May 2018, pp. 11167-11177. 10.1007/s10854-018-9202-1.
Surekha Podili, D. Geetha and P.S. Ramesh, "Preparation and Characterization of Porous Hollow Sphere of Ni Doped CuS Nanostructures for Electrochemical Supercapacitor Electrode Material.", Springer Proceedings in Physics, Volume 189, Number 1, May 2017, pp. 277-288. 2017.
M. Silambarasan �,· P. S. Ramesh �,· D. Geetha �,· V. Venkatachalam, "A report on 1D MgCo2O4 with enhanced structural, morphological and electrochemical properties.", J Mater Sci: Mater Electron, Volume 28, Number 9, Jan 2017, pp. 6880-6888. 2017.
V. Kavitha â�,�¢ P. S. Ramesh â�,�¢ D. Geetha, "Structural and Optical Studies of Ni/S Co Doped TiO2 Nanorods via Sol-Gel Route.", Springer Proceedings in Physics, Volume 189, Number 1, May 2017, pp. 299-311. 2017.
D.Geetha, P.S.Ramesh, "Highly stable low cost anode interfacial material preparation and characterization via hydrothermal route for organic solar cell.", Materials Today: Proceedings , Volume 4, Number 1, May 2017, pp. 4319-4328. 2017.
D.Geetha, P.S.Ramesh, "Development of CuO doped Cts/PEG/Ag nanocomposite and their photodegradation efficiency of MB under natural Sunlight.", Materials Today: Proceedings, Volume 4, Number 1, May 2017, pp. 4434-4444. 2017.
M. Silambarasan �,· P. S. Ramesh �,· D. Geetha , "Spinel NiCo2O4 Nanostructures: Synthesis, Morphological, Optical and Electrochemical Properties.", Springer Proceedings in Physics, Volume 189, Number 1, May 2017, pp. 219-231. 2017.
A.Ananthi, D. Geetha, P. S. Ramesh, "Synthesis and characterization of Silica from Ragi Husk Ash (Finger Millet) by a Sol-gel Methode.", Chemistry and Materials Research, Volume 9, Number 3, May 2017, pp. 61-65. 2017.
Surekha Podili, D. Geetha, P.S. Ramesh, "One-pot synthesis of CTAB stabilized mesoporous cobalt doped CuS nano flower with enhanced pseudocapacitive behavior..", Journal of material science: materials in electronics., Volume 28, Number 20, Jun 2017, pp. 15387-15397. 2017.
V. Kavitha â�,�¢ P. S. Ramesh â�,�¢ D. Geetha, "Synthesis and characterization of copper (Cu)/sulfur (S) co-doped anatase TiO2 via solâ�,�“gel method and photo degradation efficiency.", J Mater Sci: Mater Electron, Volume 27, Number 0957-4522, Apr 2016, pp. 8118-8125. 2016.
R. SathiyaPriya , D.Geetha , P.S.Ramesh, "AntioxidantactivityofchemicallysynthesizedAgNPsand biosynthesized Pongamiapinnata leaf extractmediatedAgNPs â�,�“ A comparativestudy.", Ecotoxicology and Environmental Safety, Volume 134, Number 1, Dec 2016, pp. 308-318. 2016.
T.kokila, P.S.Ramesh and D.Geetha, "Biosynthesis ofAgNPsusing Carica Papaya peel extractandevaluation of itsantioxidantandantimicrobialactivities.", EcotoxicologyandEnvironmentalSafety, Volume 134, Number 1, May 2016, pp. 467-473. 2016.
MSilambarasan,N.Padmanathan, P.S.Ramesh, DGeetha, "Spinel CuCo2O4 Nanoparticles: Facile One-Step Synthesis, Optical, and Electrochemical properties.", Materials Research Express, Volume 3, Number 9, Sep 2016, pp. 1-11. doi:10.1088/2053-1591/3/9/095021.
M. Silambarasan, P. S. Ramesh, D. Geetha, "Facile one-step synthesis, structural, optical and electrochemical properties of NiCo2O4 nanostructures.", J Mater Sci: Mater Electron, Volume 28, Number 1, Aug 2016, pp. 323-336. DOI 10.1007/s10854-016-5527-9.
V.Kavitha, P.S. Ramesh, D. Geetha, "Synthesis of Cu Loaded TiO2 Nanoparticles for the Improved Photocatalytic Degradation of Rhodamine B.", International Journal of Nanoscience, Volume 15, Number 5&6, Oct 2016, pp. 1-8. 2016.
K.Kannaki, P.S.Ramesh*, D.Geetha, "Facile hydrothermal synthesis and structural, optical, and morphological investigations on PVP assisted Fe doped CuO nanocomposites.", Materials Today: Proceedings, Volume 3, Number 1, Jun 2016, pp. 2329-2338. 2016.
A.Ananthi, D. Geetha, P. S. Ramesh, "Preparation and Characterization of Silica Material from Rice Husk Ash â�,�“ An Economically Viable Method.", Chemistry and Materials Research, Volume 8, Number 6, Nov 2016, pp. 1-17. 2016.
V.Kavitha, P.S. Ramesh, D. Geetha, "SYNTHESIS AND CHARACTERIZATION OF NANO TITANIUM DIOXIDE VIA SOL GEL PROCESS AT DIFFERENT CALCINATION TIME AND TEMPERATURE.", International Journal of Recent Scientific Research, Volume 6, Number 12, Dec 2015, pp. 7909-7913. 2015.
S. Kavitha, D. Geetha*, P. S. Ramesh, "Synthesis and Characterizations of Silver Colloid Nanoparticles Stabilized by Dextran.", J. Environ. Nanotechnol., Volume 4, Number 2319-5541, Feb 2015, pp. 50-55. 2015.
D.Geetha, S.Kavitha, P.S.Ramesh., "A novel bio-degradable polymer stabilized Ag/TiO2 nano composites and their catalytic activity on reduction of methylene blue under natural sunlight..", Ecotoxicology and Environmental Safety., Volume 121, Number 1, Nov 2015, pp. 126-134. 2015.
R.Suja, D.Geetha, P.S.Ramesh, "Synthesis and characterization of Ag doped Cus powders modified and Anionic surfactant.", Internatuinal journal of chemtech research, Volume 7, Number 3, Feb 2015, pp. 1212-1218. 2015.
T.kokila, P.S.Ramesh and D.Geetha, "Biosynthesis of silver nanoparticles from cavendish banana peel extract and its antibacterial and free radical scavenging assy: a novel biological approach.", Applied nanoscience, Volume 5, Number 8, Jan 2015, pp. 911-920. 2015.
P.S.Ramesh, T.Kokila and D.Geetha, "plant mediated green synthesis and antibacterial activity of silver nanoparticles using emplica officinalis fruit extract.", Spectrachemica Acta parts A: molecular and Biomolecular spaectroscopy, Volume 142, Number 1, Feb 2015, pp. 339-343. 2015.
R. Sathiya priya, D. Geetha, P.S. Ramesh, "Antioxidant activity of Biosynthesized Psidium guajava leaf extract mediated silver nanoparticles.", International Journal of Recent Scientific Research, Volume 5, Number 9, Sep 2014, pp. 1689-1692. 2014.
N.Punitha, P.S.Ramesh and D.Geetha, "Spectral, morphological and antibacterial studies of β-Cyclodextrin stabilized silver-chitoson nanocomposites.", Spectrachemica Acta parts A: molecular and Biomolecular spaectroscopy, Volume 136, Number 1, Oct 2014, pp. 1710-1717. 2014.
k.Raja, P.S.Ramesh and D.Geetha, "structural, FTIR and Photoluminescence studies of fe doped Zno nanopowder by co-precipitation method.", Spectrachemica Acta parts A: molecular and Biomolecular spaectroscopy, Volume 131, Number 1, Apr 2014, pp. 155-161. 2014.
R. Sathiya priya, D. Geetha, P.S. Ramesh, "Green Synthesis of Silver Nanoparticles using Psidium Guajava Leaf Extract and their Characterization.", Indian Streams Research Journal, Volume 4, Number 8, Sep 2014, pp. 1-7. 2014.
K. Raja P.S. Ramesh, D. Geetha, "Structural, FTIR and photoluminescence studies of Fe doped ZnO nanopowder by Co-precipitation method.", Spectrochimica Acta Part A: Molecualr and Biomolecular Spectroscopy, Volume 131, Number 5, Apr 2014, pp. 183-188. 2014.
K. Raja P.S. Ramesh, D. Geetha, "Synthesis, structural and optical properties of ZnO and Ni-doped ZnO hexagonal nanorods by Co-precipitation method.", Spectrochimica Acta Part A: Molecualr and Biomolecular Spectroscopy, Volume 120, Number 5, Mar 2014, pp. 19-24. 2014.
S. Kavitha, D. Geetha, P.S. Ramesh, "Characterization of Novel Biodegradable polymer stabilized Nano silver.", International Journal of Scientific & Engineering Research, Volume 5, Number 1, Mar 2014, pp. 388-394. 2014.
T.Thilagavathi, D. Geetha, "Nano ZnO structures synthesized in presence of anionic and cationic surfactant under hydrothermal process.", Applied Nano science, Volume 4, Number 2, Jan 2014, pp. 127-132. 2014.
K. Raja P.S. Ramesh, D. Geetha, "Optical characterization of surfactant capped Nano ZnO.", International Journal of Advanced Materials Science, Volume 4, Number 1, Aug 2013, pp. 113-117. 2013.
S. Kavitha, D. Geetha, P.S. Ramesh, "Synthesis and optical study of Chitosan/ Peg: Ag nanocomposites.", International Journal of Advanced Materials Science, Volume 4, Number 1, May 2013, pp. 107-112. 2013.
K. Raja P.S. Ramesh, D. Geetha, "Synthesis of Copper doped Nano Crystalline Zinc Oxide.", Asian Journal of chemistry, Volume 25, Number 7, Mar 2013, pp. 95-99. 2013.
R. Sathiya priya, D. Geetha, P.S. Ramesh, "Antibacterial Activity of Nano – Silver capped by β-Cyclodextrin.", Carbon Science and Technology, Volume 5, Number 1, Aug 2013, pp. 197-202. 2013.
R. Suja, D. Geetha, P.S. Ramesh, "Preparation and characterization of CuS nanomaterials by solvothermal method.", International Journal of Scientific & Engineering Research, Volume 4, Number 3, Mar 2013, pp. 1-3. 2013.
M. Prakash, D. Geetha, M.Lydia Caroline, "Synthesis, structural, optical, thermal and dielectric studies of new organic Non Linear Optical crystal by solution growth technique.", Spectrochimica Acta Part A: Molecualr and Biomolecular Spectroscopy, Volume 107, Number 13, Jan 2013, pp. 16-23. 2013.
M. Prakash, M. Lydia caroline, D. Geetha, "Growth, structural, spectral, optical and thermal studies of amino acid based new NLO single crystal: L – Phenylalaine 4 – nitrophenol.", Spectrochimica Acta PartA: Molecualr and Biomolecular Spectroscopy, Volume 108, Number 17, Feb 2013, pp. 32-37. 2013.
T.Thilagavathi, D. Geetha, "Low-temperature Hydrothermal synthesis and characterization of ZnO nanoparticles.", Indian journal of physics, Volume 87, Number 8, Aug 2013, pp. 747-750. 2013.
K. Kannaki, P.S. Ramesh, D. Geetha, "Characterization of cationic surfactant assisted leaf like CuO nanostructured via hydrothermal approach.", International Journal of Nanotechnology and Application, Volume 6, Number 3, Mar 2012, pp. 176-180. 2012.
R. Suja, D. Geetha, P.S. Ramesh, "Surfactant assisted synthesis of Nano CuS- Preparation and characterization.", International Journal of Nanotechnology and Application, Volume 6, Number 3, Nov 2012, pp. 237-241. 2012.
K. Kannaki, P.S. Ramesh, D. Geetha, "Hydrothermal synthesis of CuO nanostructure and their characterizations.", International Journal of Scientific & Engineering Research, Volume 3, Number 9, Sep 2012, pp. 1-4. 2012.
M. Prakash, D. Geetha, M.Lydia Caroline, "Growth and characterization of non linear optics (NLO) active L – Phenylalanine fumaric acid(LPFA) single crystal.", Materials and manufacturing processes, Volume 27, Number 5, May 2012, pp. 519-522. 2012.
D.Geetha, M. Prakash, M. Lydio Caroline, "Growth and Characterization of the nonlinear optical single crystal: L – Phenylalanine- Benezoic acid.", Advances in Applied Science Research, Volume 2, Number 2, Apr 2011, pp. 86-92. 2011.
M. Prakash, D. Geetha, M. Lydia Caroline, P.S. Ramesh, "Crystal growth, structural, optical, dielectric and thermal studies of an amino acid based organic NLO material: L – Phenylalanine L – Phenylalanium malonate.", Spectrochimica Acta Part A: Molecualr and Biomolecular Spectroscopy, Volume 83, Number 7, Aug 2011, pp. 461-466. 2011.
M. Prakash, D. Geetha, M.Lydia Caroline, "Crystal Growth and characterization of L – Phenylalaninium Trichloroacetate – A new organic nonlinear optical material.", physica B, Volume 406, Number 13, Jul 2011, pp. 2621-2625. 2011.
M. Prakash, D. Geetha, M.Lydia Caroline, "Crystal growth, structural, optical, spectral and thermal studies of tris (L-Phenylalaine ) L- Phenylalaninium nitrate: a new organic nonlinear optical material.", Spectrochimica Acta PartA: Molecualr and Biomolecular Spectroscopy, Volume 81, Number 6, May 2011, pp. 48-52. 2011.
M. Lydia caroline, M. Prakash, D.Geetha, S. Vasudevan, "Growth, structural, vibrational, optical, laser and dielectric aspects of L – alanine alaninium nitrate single crystal.", Spectrochimica Acta PartA: Molecualr and Biomolecular Spectroscopy, Volume 79, Number 2, May 2011, pp. 1936-1940. 2011.
N Chidambarapriya, D. Geetha, "preparation and characterization of nano-Mgo by sol-gel process.", International Journal of Applied Engineering Research, Volume 5, Number 13, Nov 2010, pp. 2367-2371. 2010.
D.Geetha, T.Thilagavathi, "Hydrothermal synthesis of Nano ZnO structures from CTAB.", Digest Journal of Nanomaterials and Biostructures, Volume 5, Number 1, Mar 2010, pp. 297-301. 2010.
D. Geetha, M. Prakash, P.S. Ramesh, C. Rakkappan, "Compatibility studies of polysaccharide-based natural and synthetic polymers in aqueous solution.", Composite Interfaces, Volume 17, Number 2, Apr 2010, pp. 239-245. 2010.
D.Geetha, T.Thilagavathi, P.S.Ramesh, C.Rakkappan , "Influence of synthetic polymer on aqueous anionic surfactant (SDBS) micelle investigated by FTIR and Ultrasonic study.", Composite Interfaces, Volume 17, Number 4, Apr 2010, pp. 247-256. 2010.
D.Geetha, T.Thilagavathi, " Liquid crystalline behaviour of sodium dodecyl Benzene sulphonate, N-Cetyl N,N,N,-Tri methyl ammonium bromide, Poly (Ethylene oxide) (20) sorbitan Monolaurate: an experimental study.", Middle-East Journal of Scientific Research , Volume 4, Number 3, Nov 2009, pp. 185-189. 2009.
D.Geetha, T.Thilagavathi, P.S.Ramesh, C.Rakkappan , "Study at a molecular level of the transfer process of Anionic, Cationic and Non-Ionic surfactants from water to β-Cyclodextrin.", ARPN Journal of engineering and applied sciences , Volume 4, Number 6, Aug 2009, pp. 60-65. 2009.
A.Paneerselvam, D.Geetha, "Ultrasonic studies on Lamivudine: β-Cyclodextrin and polymer inclusion complexes.", Pakistan Journal of Biological sciences, Volume 11, Number 4, Apr 2008, pp. 656-659. 2008.
D.Geetha, P.S.Ramesh, "Ultrasonic studies on polymer blend (natural/synthetic) in strong electrolyte solutions.", Journal of Molecular liquids, Volume 136, Number 2, Jan 2007, pp. 50-53. 2007.
P.S.Ramesh, D.Geetha, C.Rakkappan , "Ultrasonic studies on aqueous polyethylene oxide in n-alkanols.", Journal of Molecular liquids, Volume 126, Number 3, Dec 2006, pp. 69-71. 2006.
D.Geetha, C.Rakkappan, "Ultrasonic velocity and absorption studies on different phthalates.", Journal of Molecular liquids , Volume 121, Number 1, May 2005, pp. 102-104. 2005.
D.Geetha, C.Rakkappan, "Ultrasonic studies on drug release pattern from different ethyl cellulose bases.", Journal of Molecular liquids, Volume 121, Number 3, May 2005, pp. 99-101. 2005.
D.Geetha, C.Rakkappan, "Effect of n-alkanols on the growth of sodium lauryl sulphate micellar solutions.", Journal of Current Science , Volume 5, Number 2, Jan 2004, pp. 471-475. 2004.
C.Rakkappan, D.Geetha, V.Parthasarathy, R.Manavalan, "Ultrasonic velocity and absorption studies on drug release pattern from different ethyl cellulose base.", Indian Journal of pure and applied physics, Volume 39, Number 2, Mar 2001, pp. 152-154. 2001.
D.Geetha, C.Rakkappan, " Ultrasonic studies on solutions of hydroxyl propyl methyl cellulose phthalate in alcohols and acetone mixture.", Indian journal of physics, Volume 77B, Number 5, Nov 2001, pp. 525-528. 2003.
S.B.Kalyanaraman, D.Geetha, "Microprocessor based soil analyser.", Journal of Instrum. Soc. India, Volume 30, Number 4, Apr 2000, pp. 252-256. 2000.
List of Conferences - National
Surekha Podili, D.Geetha, and P.S.Ramesh, ., A Report on SDBS stabilized CuS Nanostructures withEnhanced structural, Morphologycal and Electrochemical Properties, National Seminar on New Materials Research and Nanotechnology, Mar 19-21, 2018, Department of Physics The Sethupathy Govt. Arts College, Ramanathapuram, pp. 4-4. Department of Physics The Sethupathy Govt. Arts College, Ramanathapuram, university press.
V.Kavitha, D.Geetha, and P.S.Ramesh, Synthesis of Cu loaded TiO2 nano composite for the improved ph oto catalytic degradation of Rhodamine, B., RAINSAT-2015, , Jul 9-10, 2015, Sathyabama university, chennai., pp. 56-56. Sathyabama university, chennai, university press.
V.Kavitha, D.Geetha, and P.S.Ramesh, Synthesis of Cu loaded TiO2 nano composite for the improved ph oto catalytic degradation of Rhodamine, B., RAINSAT-2015, , Jul 9-10, 2015, Sathyabama university, chennai., pp. 56-56. Sathyabama university, chennai, university press.
V.Kavitha, D.Geetha, and P.S.Ramesh, Synthesis of Cu loaded TiO2 nano composite for the improved ph oto catalytic degradation of Rhodamine, B., RAINSAT-2015, , Jul 9-10, 2015, Sathyabama university, chennai., pp. 56-56. Sathyabama university, chennai, university press.
V.Kavitha, D.Geetha, and P.S.Ramesh, Synthesis, Structural and optical properties of Sulfur doped TiO2 nanopartcles for the improved photocatalytic degradation of Rodamine-B, Centre for nanotechnology& advanced biomaterals, Jan 29-30, 2015, SASTRA university, pp. 34-34. SASTRA university, university press.
S.Kavitha, D Geetha and P.S.Ramesh, Kavitha, D Geetha and P.S.Ramesh, , Synthesis and characterization PEG stabilized silver nano particles., National conference on advanced materials and its applications (NCAMA),, Apr 4-5, 2014, . Annamalai University, pp. 216-216. . Annamalai University, university press.
D.Geetha and P.S.Ramesh, Synthesis and optical and study of chitosan/PEG:AG, National conference on Nanomaterials (NCN-2012), Dec 3-4, 2012, Karunya University, Coimbatore, pp. 71-71. Karunya University, Coimbatore, university press.
K.kannaki , P.S.Ramesh, D.Geetha, a) Characterization of cationic surfactant Assisted leaf like CuO Nanoparticles via hydrothermal, National conference on Nanomaterials (NCN-2012), Dec 3-4, 2012, Karunya University, Coimbatore, pp. 67-67. Karunya University, Coimbatore, university press.
M.Prakash, D.Geetha, M.Lydia caroline and P.S.Ramesh , a) Growth, spectral, structural, optical and thermal studies on amino acid based new NLO single crystal L-Phenylanine 4-Nitrophenal , National conference on Advanced Material Science NCAMS-2012, Mar 1-2, 2012, Annamalai university., pp. 34-34. Annamalai university., university press.
M.Lydia Caroline, M.Prakash, D.Geetha and G.Mani, Growth, Spectral and thermal properties of sulphanitlic acid single crystals in the presence of L-proline and L-lysine monohydrochloride dihydrate as dopent, Advances in Materials Science, Mar 1-2, 2012, Annamalai University, Chidambaram, pp. 51-64. chidambaram, Sri velan Pathippagam.
D.Geetha, and P.S.Ramesh , Preparation of high thermal stable nano titanium oxide via sol-gel process., Notional conference on Exploring the frontiers of vibrational spectroscopy, Sep 1-2, 2011, Womens christion college nagercoil, pp. 261-261. Womens christion college nagercoil, university press.
D.Geetha M.Prakash, P.S.Ramesh, and C.Rakkappan, ) ultrasonic studies on some viral (HIV and HBV) drugs solution, National seminar on new frontiers in chemistry, , Mar 15-16, 2010, Department of chemistry Annamalai university,, pp. 45-45. Department of chemistry Annamalai university,, university press.
D.Geetha, T.Thilagavathi P.S.Ramesh and C.Rakkappan, a. Thermodynamical study of the aggregation behavior of sodium dodecyl benzene sulphonate, cetyl trimethyl ammonium bromide and tween-20 in aqueous solution. , Recent Trents In Crystal Growth, Thin Films And Nano Structured Materials-2009, Dec 29-30, 2009, Department of physics Aditanar college of Arts and Science, pp. 33-33. Department of physics Aditanar college of Arts and Science, university press.
Ramesh, D.Geetha, Identification of molecular-interaction using ultrasonic and SEM/EDS studies on solution of some antibacterial drugs, Eighteen National Symposium On Ultrasonics, Dec 21-23, 2009, School of advanced sciences VIT University , pp. 135-135. School of advanced sciences VIT University , university press.
Geetha, T.Thilagavathi P.S.Ramesh and C.Rakkappan, a. Thermodynamical study of the aggregation behavior of sodium dodecyl benzene sulphonate, cetyl trimethyl ammonium bromide and tween-20 in aqueous solution, Recent Trents In Crystal Growth, Thin Films And Nano Structured Materials, Aug 5-6, 2009, Department of physics Aditanar college of Arts and Science, pp. 72-72. Department of physics Aditanar college of Arts and Science, university press.
P.S.Ramesh, D.Geetha, Identification of molecular-interaction using ultrasonic and SEM/EDS studies on solution of some antibacterial drugs, Eighteen National Symposium On Ultrasonics, Oct 17-18, 2008, Annamalai university., pp. 135-135. Annamalai university Chidambaram, university press.
Geetha, T.Thilagavathi , P.S.Ramesh and C.Rakkappan, Ultrasonic studies on cellulose derivatives in ethyl acetate/alcohol solutions , National conference on emerging trends in chemical research, Oct 17-18, 2008, Department of chemistry Annamalai university, pp. 36-36. Department of chemistry Annamalai university, university press.
D.Geetha, T.Thilagavathi P.S.Ramesh and C.Rakkappan, FTIR and ultrasonic studies on biopolymer in aqueous carbohydrate solutions, FTIR and ultrasonic studies on biopolymer in aqueous carbohydrate solutions, Oct 17-18, 2008, Department of chemistry Annamalai university, pp. 34-34. Department of chemistry Annamalai university, university press.
Thilagavathi , D.Geetha, P.S.Ramesh and C.Rakkapan, c) Influence of synthetic polymer on aqueous anionic surfactant(SDBS) micelle investigated by FTIR and Ultrasonic study., School of chemical science Mahatma Gandhi university, Sep 22-24, 2008, School of chemical science Mahatma Gandhi university Kottayam, Kerala., pp. 67-67. School of chemical science Mahatma Gandhi university Kottayam, Kerala., university press.
D.Geetha, P.S.Ramesh and C.Rakkapan, FTIR and Ultrasonic study on biopolymers in aqueous carbohydrate solutions, TACS-2008, Feb 22-23, 2008, Annamalai university., pp. 76-76. Annamalai university Chidambaram, university press.
D.Geetha, P.S.Ramesh and C.Rakkappan, PH response on aqueous sodium carboxy methyl cellulose solution, NSA-2006, Nov 16-17, 2007, new delhi, pp. 22-23. new delhi, university press.
P.S.Ramesh, C.Rakkappan D.Geetha , Study of silk verities using ultrasonic Technique , Indian science congress, Jan 3-7, 2007, Annamalai university Chidambaram, pp. 261-261. Annamalai university Chidambaram, university press.
P.S.Ramesh, C.Rakkappan D.Geetha , Study of silk verities using ultrasonic Technique , Indian science congress, Jan 3-7, 2007, Annamalai university Chidambaram, pp. 261-261. Annamalai university Chidambaram, university press.
,D.Geetha,T.Thilagavathi,P.S.Ramesh , Aqueous solution of carbohydrate and polymers â�,�“an ultrasonic study, , RAMS-2006, Dec 29-30, 2006, Post Graduate & Research Department of Physics, Ramakrishna Mission Vivekananda College, pp. 45-45. Post Graduate & Research Department of Physics, Ramakrishna Mission Vivekananda College, university press.
D.Geetha , Ultrasonic absorption studies on the solutions of HPMCP in different alchols and acetone mixture, CRSI seminar on recent advancement in chemistry, Mar 10-11, 2006, Annamalai university., pp. 24-24. Annamalai university Chidambaram, university press.
M.Prakash, C.Rakkappan and D.Geetha, Ultrasonic investigation on aqueous solution of polymer blend. , Seminar on Resent Advances in Chemistry-2006., Feb 3-4, 2006, Department of Chemistry, Annamalai University, pp. 202-202. chidambaram, University press.
M.Prakash, C.Rakkappan and D.Geetha, Ultrasonic investigation on aqueous solution of polymer blend. , Seminar on Resent Advances in Chemistry-2006., Feb 3-4, 2006, Department of Chemistry, Annamalai University, pp. 202-202. chidambaram, University press.
D.GeethaC.Rakkappan and P.S.Ramesh, b) Effect of ketones on the growth of sodium lauryl sulphate micelles using ultrasonic method., Emerging Trend in Molecular Physics, Apr 23-24, 2004, Department of Physics Annamalai University, pp. 182-182. chidambaram, Excel.
D.Geetha , Acoustical studies on cellusose acetate pthalate in alkali metal hydroxide and water mixture, NASETMP-2004, Mar 8-9, 2004, Annamalai university., pp. 28-28. Annamalai University, university press.
D.GeethaC.Rakkappan,,V.Parthsarathi and R.Manavalan, Ultrasonic velocity and absorption studies on drug release pattern from different ethyl cellulose bases, Advanced in technology and business potential of new drug delivery system, Sep 30-1, 2000, Institute for Pharmacy,Shimoga, pp. 12-12. karnataka, shimoga.
C.Rakkappan and D.Geetha, Molecular relaxational studies in solutions of cellulose derivative. , Indian Council of Chemists XIX Conference, Sep 11-12, 2000, Shimoga, Indian council of chemist., pp. 79-79. Shimoga, Indian council of chemist., university press.
C.Rakkappan and D.Geetha, Molecular relaxational studies in solutions of cellulose derivative. , Indian Council of Chemists XIX Conference, Sep 11-12, 2000, Shimoga, Indian council of chemist., pp. 79-79. Shimoga, Indian council of chemist., university press.
C.Rakkappan and D.Geetha, Molecular relaxational studies in solutions of cellulose derivative. , Indian Council of Chemists XIX Conference, Sep 11-12, 2000, Shimoga, Indian council of chemist., pp. 79-79. Shimoga, Indian council of chemist., university press.
List of Conferences - International
D.Geetha, P.S.Ramesh , Ni/Co/Cu and TiO2 Incorporate Ragi husk derived Bio silica nanocomposite as photocatalyst & absorbent for the degradation of methyl blue dye., International conference on (RIBER-2019), Apr 17-18, 2019, Annamalai University, pp. 678-678. Annamalai University, university press.
D.Geetha, P.S.Ramesh , Controlled-synthesis of Mn-CuS dendrites for electrochemical pseudocapacitor applications, International Conference on(ICSEE-19), Feb 21-22, 2019, HINDUSTAN Institute of technology & SCience, pp. 65-65. HINDUSTAN Institute of technology & SCience, HINDUSTAN Institute of technology & SCience.
Surekha Podili, D.Geetha, and P.S.Ramesh., Facile One-Step Synthesis of Nonionic surfactant stabilized CuS Nanostructures with enhanced Electrochemical behavior, International Conference on Recent trends in Synthetic method and Chemistry- RTSMC-2018., Feb 2-3, 2018, Department of Chemistry Annamalai University, pp. 51-51. Department of Chemistry Annamalai University, university press.
D.Geetha and P.S.Ramesh J.William brown, Fabrication of meso porous iron (Fe) doped copper sulfide (CuS) Nsnocomposite in the presence of a cationic surfactant via mild hydrothermal method, ICONN, Aug 9-11, 2017, SRM, Chennai, pp. 890-890. SRM, Chennai, university press.
D.Geetha, and P.S.Ramesh., Influence of Anionic, Cationic and Nonionic surfectants on solvothermal synthesis of nano CuS: Structural, Morphological and Capacitance behavior-A Report., Fourth International conference on Polymer Processing and Characterization-ICPPC , Dec 9-11, 2016, Mahatma Gandhi University ,Kottayam, KERALA, pp. 456-456. Mahatma Gandhi University ,Kottayam, KERALA, university press.
D.Geetha and P.S.Ramesh, Influence of Anionic, Cationic and Nonionic surfectants on solvothermal synthesis of nano CuS: Structural, Morphological and Capacitance behavior-A Report., International conference on Polymer Processing and Characterization-ICPPC , Dec 9-11, 2016, Mahatma Gandhi University ,Kottayam, KERALA, pp. 12-12. Mahatma Gandhi University ,Kottayam, KERALA, university press.
D. Geetha P. S. Ramesh Surekha Podili, Influence of Anionic, cationic and Nonionic surfactants on solvothermal synthesis of nano CuS:Structural, Morphological and capacitance Behaviour-A report, Processing and Characterization April 2019 of Multicomponent Polymer Systems, Dec 9-11, 2016, Mahatma Gandhi University ,Kottayam, KERALA, pp. 115-134. USA, Apple Academic Press.
T.Kokila, D.Geetha, and P.S.Ramesh, Preparation and Characterization of ZnO doped Cts/PEG- Ag Nanocomposite for impacting Photocatalytic Response., Processing and Characterization April 2019 of Multicomponent Polymer Systems, Dec 9-11, 2016, Mahatma Gandhi University ,Kottayam, KERALA, pp. 191-210. USA, Apple Academic Press.
T.Kokila, P.S.Ramesh, and D.Geetha, A biogenic approach for green synthesis of silver nanoparticles using peel extract of Mangifera Indica and its applications., International conference on Recent Trends in Materials Science and Applications (ICRTMSA)., Feb 29-29, 2016, Jamal Mohamed College, Tiruchirappali., pp. 90-90. Jamal Mohamed College, Tiruchirappali., university press.
D.Geetha and P.S.Ramesh, , Formation and characterization of porous ni doped cus nanostructures via solvothermal route, NANO-15. , Dec 7-10, 2015, KSR college of technology, Tiruchengode, pp. 11-11. KSR college of technology, Tiruchengode, university press.
D.Geetha and P.S.Ramesh, Formation and characterization of porous ni doped cus nanostructures via solvothermal route., NANO-15. , Dec 7-10, 2015, KSR college of technology, Tiruchengode, pp. 87-87. KSR college of technology, Tiruchengode, university press.
D.Geetha and P.S.Ramesh, Development of CuO doped Cts/PEG/Ag nanocomposite and their photodegradation efficiency of MB under natural Sunlight., Sree Chitra Tirunal Institute for Medical Sciences & Technology, ISPAN-2015. , Oct 28-30, 2015, Thiruvananthapuram, Kerala., pp. 4533-453. Thiruvananthapuram, Kerala., university press.
D.Geetha and P.S.Ramesh, Development of CuO doped Cts/PEG/Ag nanocomposite and their photodegradation efficiency of MB under natural Sunlight, ISPAN-2015, Oct 28-30, 2015, Sree Chitra Tirunal Institute for Medical Sciences & Technology, Thiruvananthapuram, Kerala., pp. 56-56. Sree Chitra Tirunal Institute for Medical Sciences & Technology, Thiruvananthapuram, Kerala., university press.
P.S.Ramesh, T.Kokila and D.Geetha, A biogenic approach for synthesis of silver nanoparticles using peel extract of Citrus sinensis and its application., 3rd International conference on nanoscience and nanotechnology (ICONN-2015)., Feb 4-6, 2015, Department of Physics and Nano technology, SRM University, , pp. 233-233. Department of Physics and Nano technology, SRM University, , university press.
D.Geetha , A novel bio-degradable polymer stabilized Ag/Tio2 nanocomposite and their catalytic activity on reduction of methylyne blue under natural sunlight, ICGTEPC-2014, Sep 27-29, 2014, NIT TRICHY, pp. 54-54. NIT TRICHY, university press.
R.Sathiya priya , D.Geetha and P.S.Ramesh, Biosynthesis of Plant-mediated silver nanoparticles using Pongamia pinnata leaf extract and their Antioxidant activity., International conference on Green Technology for environmental pollution prevention and control (ICGTEPC-2014), Aug 3-3, 2014, NIT, Trichy, pp. 76-76. NIT, Trichy, university press.
P.S.Ramesh, T.Kokila, D.Geetha, A novel biomaterial(peel extract) mediated synthesis of AgNP: Screening their free radical scavenging and antibacterial properties, 5th international conference on â�,�œperspectives in Vibrational Spectroscopyâ�,� (ICOPVS 2014) , Jul 8-12, 2014, Bishop moore college Kerala., pp. 233-233. Bishop moore college Kerala., university press.
T.Kokila, P.S.Ramesh, D.Geetha, Green synthesis of nano silver from embilica officanlis fruit extract , 4th international conference on â�,�œperspectives in Vibrational Spectroscopyâ�,� ICONN 2013, Nov 20-21, 2013, Bishop moore college Kerala, pp. 56-56. Bishop moore college Kerala, university press.
D.Geetha and P.S.Ramesh, Growth and characterization of organic material 4-dimethylmino benzaldehyde single crystal, ICOPVS-2013, Aug 6-9, 2013, , Bishop moore college Kerala, pp. 176-176. , Bishop moore college Kerala, university press.
S.Kavitha, D Geetha and P.S.Ramesh, Characterization of novel bio degradable polymer stabilized nano silver , ICNFA 2013, Jul 10-12, 2013, Coimbatore Institute of Technology, Coimbatore, pp. 118-118. Coimbatore Institute of Technology, Coimbatore, university press.
K.Raja. D.Geetha, P.S.Ramesh, Synthesis of copper doped nano crystalline Zinc Oxide, ICONN, Mar 18-20, 2013, SRM, Chennai, pp. 55-55. SRM, Chennai, university press.
T.Tilagavathi, D.Geetha, P.S.Ramesh andC.Rakkappan, A simple novel low-temperature hydrothermal synthesis and characterization and characterization of ZnO/MgO nano composites, NANO-2010, Dec 13-16, 2010, Thiruchengodu, pp. 79-79. Thiruchengodu, university press.
T.Tilagavathi, D.Geetha, P.S.Ramesh andC.Rakkappan, a) A simple novel low-temperature hydrothermal synthesis and characterization and characterization of ZnO/MgO nano composites., NANO-2010, Dec 5-7, 2010, Thiruchengodu, pp. 311-311. Thiruchengodu, College press.
T.Tilagavathi, D.Geetha, P.S.Ramesh andC.Rakkappan, Synthesis and Characterization of nano ZnO particles by Hydrothermal process, ICN-2010, Nov 9-10, 2010, Mahatma Gandhi University ,Kottayam, KERALA, pp. 210-210. Kerala, MGU.
N.Chidambara opriya,D.Geetha, P.S.Ramesh andC.Rakkappan, Preparation characterization of nano MgO and polymer nano composite by sol-gel process, Mat Con-2010, Sep 27-30, 2010, Department of applied chemistry Cochin University of Science and Technology Kochi., pp. 19-20. Kerala, University.
N.Punitha, D.Geetha, P.S.Ramesh, Molecular interaction studies if anti (viral and bacterial) drugs on biodegradable/ cellulose polymer blend., International conference on Recent Frontiers in Applied spectroscopy, International conference on Recent Frontiers in Applied spectroscopy, Sep 22-24, 2010, International conference on Recent Frontiers in Applied spectroscopy, pp. 145-145. International conference on Recent Frontiers in Applied spectroscopy, university press.
N.Punitha, D.Geetha, P.S.Ramesh, a) Molecular interaction studies if anti (viral and bacterial) drugs on biodegradable/ cellulose polymer blend., International conference on Recent Frontiers in Applied spectroscopy, Sep 22-24, 2010, Department of physics Annamalai university, pp. 261-261. Department of physics Annamalai university, university press.
T.Tilagavathi, D.Geetha, P.S.Ramesh, c) Influence of the polymer and salts on surfactants by FTIR analysis., ICORFAS-2010, Jul 9-10, 2010, Department of Physics Annamalai University, pp. 215-215. chidambaram, university press.
Geetha,P.S.Ramesh and C.Rakkappan, Preparation and characteriZation of nanoscale Titanium Oxide under Solvothermal Process, ICN-2010, Apr 27-29, 2010, Center for nano science and technology Mahatma Gandhi university, pp. 68-68. Center for nano science and technology Mahatma Gandhi university, university press.
T.Thilagavathi, D.Geetha, P.S.Ramesh and C. Rakkappan , Synthesis and characterization of nano ZNO and particles by Hydrothermal process , International conference on Nanomaterials: Synthesis characterization and application. , Apr 27-29, 2010, Center for nano science and technology Mahatma Gandhi university, pp. 34-34. Center for nano science and technology Mahatma Gandhi university, university press.
N.Chidambara priya D.Geetha, P.S.Ramesh and C. Rakkappan , Preparation characterization of nano MgO and polymer composite by sol-gel process , International conference on Materials for millenniu, , Department of applied chemistry, Cochin University of Science and technology. Kochi, Jan 11-13, 2010, , Department of applied chemistry, Cochin University of Science and technology. Kochi, pp. 141-141. , Department of applied chemistry, Cochin University of Science and technology. Kochi, university press.
V.Kavitha D.Geetha, P.S.Ramesh, b) Synthesis and characterization of titanium oxide via sol-gel process at low temperature, International conference on Nanomaterials and nanotechnology, Dec 13-16, 2009, KSR college of technology, Thiruchengodu, pp. 455-455. KSR college of technology, Thiruchengodu, university press.
D.Geetha, P.S.Ramesh andC.Rakkappan, Compatibility studies of polysaccharide based natural and synthetic polymers in aqueous solution, ICBC-2008,, Sep 22-24, 2008, Mahatma Gandhi University ,Kottayam, KERALA, pp. 236-236. Mahatma Gandhi University ,Kottayam, KERALA, university press.
P.Vasantha rani and D.Geetha, Rural women empowerment in India through ICT education., WIT-2005, Aug 3-5, 2005, Annamalai University, Chidambaram, pp. 14-14. Annamalai nagar, WIT.
Ganasaravanan, C.Rakkappan and D.Geetha , Effect of concentration and pH on ultrasonic parameter in the aqueous Na-CMC solutions, INCONS, Indian spectroscpic association, Feb 9-12, 2005, Post Graduate & Research Department of Physics, Pachaiyappaâ�,��"�s college.chennai, pp. 81-81. Post Graduate & Research Department of Physics, Pachaiyappaâ�,��"�s college.chennai, university press.
S.Kavitha D.Geetha, P.S.Ramesh, Synthesis and characterization of silver colloidal nanoparticles stabilized by dextran, ICCER-2014, Mar 11-12, 2004, Jamal Mohamed College, Tiruchirappalli, pp. 118-118. Jamal Mohamed College, Tiruchirappalli, university press.
List of Book Published
D.Geetha, P.S.Ramesh, Advances is Materials Science, SP koil street chidambaram: Sri velan pathipagam, 978-93-812236-16-1, pp. 1-256. Jul 2012, http//www.velan.com/978-93/aze.

List of Awards
Best Publication Award - Annamalai University - 2017
Inspiring Senior Scientist Award-2020/National Award - Madras Journal Series Pvt Ltd - 2020