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Faculty Member Details

Staff Id : 08248
Name : Dr. D. GEETHA
Designation : ASSISTANT PROFESSOR
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.
geeramphyau@gmail.com
Research Guidance
Discipline Awarded Guidance
M.Phil./M.E./M.Sc. 37-
Ph.D. 62


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


Research Projects
Major Projects Minor Projects Total Amount (Rs.)
Completed ---
Ongoing 1-1247500/-
Teaching and Research Experience Industry Experience
15 Years -
Journals Conference Books Published Popular Article
National International National International
14 65 - - - -

List of Publications - National
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
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.
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, "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.
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.
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.
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.
V. Kavitha • P. S. Ramesh • 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.
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.
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.
V. Kavitha • P. S. Ramesh • D. Geetha, "Synthesis and characterization of copper (Cu)/sulfur (S) co-doped anatase TiO2 via sol–gel method and photo degradation efficiency.", J Mater Sci: Mater Electron, Volume 27, Number 0957-4522, Apr 2016, pp. 8118-8125. 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.
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.
R. SathiyaPriya , D.Geetha , P.S.Ramesh, "AntioxidantactivityofchemicallysynthesizedAgNPsand biosynthesized Pongamiapinnata leaf extractmediatedAgNPs – A comparativestudy.", Ecotoxicology and Environmental Safety, Volume 134, Number 1, Dec 2016, pp. 308-318. 2016.
A.Ananthi, D. Geetha, P. S. Ramesh, "Preparation and Characterization of Silica Material from Rice Husk Ash – An Economically Viable Method.", Chemistry and Materials Research, Volume 8, Number 6, Nov 2016, pp. 1-17. 2016.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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, "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.
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, "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.
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.
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, 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, "Hydrothermal synthesis of Nano ZnO structures from CTAB.", Digest Journal of Nanomaterials and Biostructures, Volume 5, Number 1, Mar 2010, pp. 297-301. 2010.
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, " 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 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, "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, "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.