Dr. D.V Sunitha Professor & Head

Specialization

Material Science

Programs Organised

Qualification

Ph.D, 2013, Tumkur University M.Sc. 2009, Tumkur University

Teaching Experience

JRF 3 years

Teaching 9.5 Years

Awards & Recognition

• Awarded gold medal for securing I Rank in M.Sc., Physics, 2009 at Tumkur University, Tumkur.
• Electron irradiation induced effects on photoluminescence properties of Y₂O₃:Tb³⁺ nanophosphors prepared via green synthesis route. V.Sunitha,et al, Advanced nanotechnology and its applications ncoana - 2015 advanced nanotechnology and its applications (NCOANA – 2015), 22 - 23, January 2015 “Awarded I prize for Poster Presentation”.
• Best Teaching Award from School of Physical Sciences (Physics), at REVA University on September 5^th
• Best Researcher Award from School of Applied Sciences (Physics), at REVA University on September 5^th

Publications In Refereed Journals

• Ion beam induced amorphization and bond breaking in Zn₂SiO₄:Eu³⁺ nanocrystalline phosphor, D.V. Sunitha, H. Nagabhushana, Fouran Singh, N. Dhananjaya, S. C. Sharma B. M. Nagabhushana, R. P. S. Chakradhar, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 90 (2012) 18– 21.Impact Factor=2.098
• Structural luminescence and spectroscopic investigations in β-CaSiO₃:Dy³⁺nanophosphor using swift heavy ion irradiation, D.V.Sunitha, H. Nagabhushana, Fouran Singh, N. Dhananjaya S. C. Sharma, B. M. Nagabhushana, R. P. S. Chakradhar, Spectrochimica Acta: Part A :Molecular and Biomolecular Spectroscopy, 93 (2012) 300-305. Impact Factor=2.098
• Thermo, Iono and photoluminescence properties of 100 MeV Si⁷⁺ ions bombarded CaSiO₃:Eu³⁺ nanophosphor, D.V. Sunitha, H. Nagabhushana, Fouran Singh, B.M.Nagabhushana, S. C. Sharma. R.P.S. Chakradhar, Journal of luminescence, 132 (2012)2065-2071. Impact Factor=2.732
• CdSiO₃:Pr³⁺phosphor: Synthesis and Thermoluminescence studies, D.V. Sunitha, C.Manjunatha, H. Nagabhushana, S.C. Sharma, C.J.Shilpa, B.M. Nagabhushana, N.Dhananjaya, C.Shivakumara, R.P.S. Chakradhar, Spectro chemica Acta: Molecular and Biomolecular Spectroscopy 99(2012)279-287. Impact Factor=2.098
• Structural characterization, EPR and Thermoluminescence properties of Cd_1-xNi_xSiO₃ nanocrystalline phosphors, C. Manjunatha, D.V. Sunitha, H. Nagabhushana, S.C. Sharma, S. Ashoka, J.L.Rao, B.M. Nagabhushana, R.P.S. Chakradhar, Materials Research Bulletin, 47 (2012) 2306-2314. Impact Factor=2.873
• Combustion synthesis, Structural characterization, Thermo and photoluminescence studies of CdSiO₃:Dy³⁺ nanophosphor, C. Manjunatha, D.V. Sunitha, H. Nagabhushana , B.M. Nagabhushana, R.P.S. Chakradhar, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 93(2012) 300-305. Impact Factor=2.098
• Structural and phase dependent thermo and photoluminescent properties of Dy(OH)₃ and Dy₂O₃ nanorods, M. Chandrasekhar, D.V. Sunitha, N. Dhananjaya, H. Nagabhushana, S. C. Sharma, B. M. Nagabhushana, C. Shivakumara, R. P. S. Chakradhar, Materials Research Bulletin, 47 (2012) 2085–2094. Impact Factor=2.873
• Thermoluminescence response in gamma and UV irradiated Dy₂O₃ nanophosphor, M. Chandrasekhar, D.V. Sunitha, N. Dhananjaya, H. Nagabhushana, S.C.Sharma, B. M. Nagabhushana, C. Shivakumara, R.P.S.Chakradhar, Journal of luminescence, 132( 2012) 1798-1806. Impact Factor=2.732
• Thermoluminescence and EPR studies of nanocrystalline Nd₂O₃:Ni²⁺ phosphor, B. Umesh, B. Eraiah, H. Nagabhushana, S.C. Sharma, D.V. Sunitha, B.M. Nagabhushana, C. Shivakumara, J. L. Rao, R. P. S. Chakradhar, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 93(2012) 228-234. Impact Factor=2.098
• Synthesis, Thermoluminescence and EPR studies of YAlO₃:Ni²⁺ phosphor, H.B. Premkumar, D.V. Sunitha, H.Nagabhushana, B.M.Nagabhushana, S.C. Sharma, C. Shivakumara, J.L. Rao, R.P.S. Chakradhar Journal of luminescence, 135 (2013)105-112. Impact Factor=2.732
• Thermoluminescence and EPR studies in Mn activated YAlO₃ nanocrystalline phosphor, H.B. Premkumar, D.V. Sunitha, H. Nagabhushana, S.C. Sharma, B.M.Nagabhushana, R.P.S. Chakradhar, Journal of luminescence, 132(2012)2409-2415. Impact Factor=2.732
• YAlO₃:Cr³⁺ nanophosphor: Synthesis, Dosimetric and EPR studies, H.B. Premkumar, D.V. Sunitha, H. Nagabhushana, S.C. Sharma, B.M.Nagabhushana, R.P.S. Chakradhar, Spectro chemica Acta: Molecular and Biomolecular Spectroscopy, 96 (2012) 154–162. Impact Factor=2.098
• Luminescence and defect studies of YAlO₃:Dy³⁺, Sm³⁺ single crystals exposed to 100 MeV Si7+ ion beam, H.B. Premkumar, D.V. Sunitha, FouranSingh, H. Nagabhushana, S.C.Sharma, B.M.Nagabhushana, Guangjun Zhao, Jianyu Chen, R.P.S. Chakradhar, Journal of luminescence, 132 (2012) 2679–2683. Impact Factor=2.732
• Effect of different fuels on structural, thermo and photoluminescent properties of Gd₂O₃ na-noparticles, N. Dhananjaya , H. Nagabhushana, B.M. Nagabhushana, B. Rudraswamy, D.V.Sunitha, C. Shivakumara, R. P. S. Chakradhar, Spectro chemica Acta: Molecular and Biomolecular Spectroscopy 96 (2012) 532-540. Impact Factor=2.098
• Structural characterization, thermoluminescence and EPR studies of Nd₂O₃:Co²⁺ nanophosphors, B. Umesh, B. Eraiah, H. Nagabhushana, S.C. Sharma, D.V. Sunitha, B.M. Nagabhushana, J.L. Rao, C. Shivakumara, R.P.S. Chakradhar, Materials Research Bulletin, 48 (2013) 180–187. Impact Factor=2.873
• Thermoluminescence properties of swift heavy ions and UV irradiated CdSiO₃:Ce³⁺ nanophosphor synthesized by combustion method, D.V. Sunitha, C. Manjunatha, H. Nagabhushana, Fouran Singh, B.M. Nagabhushana, S.C. Sharma, R.P.S. Chakradhar, Journal of luminescence, 134 (2013) 358-368. Impact Factor=2.732
• Effect of NaF flux addition on the structure and luminescence properties of Sm³⁺ doped CdSiO₃ phosphor, C. Manjunatha, D.V, Sunitha, H. Nagabhushana, S.C. Sharma, R.P.S.Chakradhar, G.B.Venkatesh, B. M. Nagabhushana, Journal of luminescence, 134(2013)432-440. Impact Factor=2.732
• Influence of halide fluxes on the crystallinity, microstructure and thermoluminescence behavior of combustion derived CdSiO₃:Co²⁺ phosphor and its EPR studies, C. Manjunatha, D.V. Sunitha, H. Nagabhushana, S.C. Sharma, R.P.S.Chakradhar, B. M. Nagabhushana, Journal of luminescence, 48(2013)158-166. Impact Factor=2.732
• Structural, iono and thermoluminescence properties of heavy ion (100 MeV Si⁷⁺) bombarded Zn₂SiO₄: Sm³⁺ nanophosphor, D.V. Sunitha, H. Nagabhushana, Fouran Singh, N. Dhananjaya, S. C. Sharma, C.Shivakumara B. M. Nagabhushana, R. P. S. Chakradhar, Journal of luminescence, 143 (2013) 409-417. Impact Factor=2.732
• Luminescent characteristics of Eu³⁺ doped di-calcium silicate nano powders for white LEDs, D.V. Sunitha, H. Nagabhushana, S.C.Sharma, B.M. Nagabhushana, R.P.S.Chakradhar, Journal of Alloys and Compounds 575(2013) 434-443. Impact Factor=3.779.
• Investigation of structural and luminescence properties of Ho³⁺ doped YAlO₃ nanophosphors synthesized through solution combustion route, H.B. Premkumar, B.S. Ravikumar, D.V. Sunitha, H. Nagabhushana, S.C.Sharma, M.B.Savitha, S. Mohandas Bhat, B.M. Nagabhushana, R.P.S.Chakradhar, Spectrochemica Acta: Molecular and Biomolecular Spectroscopy 115(2013)234-243. Impact Factor=2.098
• Plant latex mediated green synthesis of ZnAl₂O₄:Dy³⁺ (1–9 mol%) nanophosphor for white light generation, B.S. Ravikumar, H. Nagabhushana, D.V. Sunitha, S.C. Sharma, B.M. Nagabhushana, C. Shivakumara, Journal of Alloys and Compounds, 585(2014)561-571. Impact Factor=3.779.
• Study on low temperature solution combustion synthesized Sr₂SiO₄:Dy³⁺ nano phosphor for white LED, D.V. Sunitha, H. Nagabhushana, S.C. Sharma, B.M. Nagabhushana, B. Daruka Prasad, R.P.S. Chakradhar, Spectrochemica Acta: Molecular and Biomolecular Spectroscopy, 127(2014)381-387. Impact Factor=2.098
• Effect of different fuels on structural, photo and thermo luminescence properties of solution combustion prepared Y₂SiO₅ nanopowders, G. Ramakrishna, H. Nagabhushana, D.V. Sunitha, S.C. Prashantha, S.C. Sharma, B.M. Nagabhushana Spectrochemica Acta: Molecular and Biomolecular Spectroscopy 127(2014)177-184. Impact Factor=2.098
• Enhanced luminescence by monovalent alkali metal ions in Sr₂SiO₄:Eu³⁺ nanophosphor prepared by low temperature solution combustion method, H.Nagabhushana, D.V. Sunitha, S.C. Sharma, B. Daruka Prasad, B.M. Nagabhushana, R.P.S. Chakradhar, Journal of Alloys and Compounds, 595(2014)192-199. Impact Factor=3.779.
• Self propagating combustion synthesis and luminescent properties of nanocrystalline CeO₂:Tb³⁺ (1–10 mol%) phosphors, J. Malleshappa, H. Nagabhushana, S.C. Sharma, D.V. Sunitha, N. Dhananjaya, C. Shivakumara, B.M. Nagabhushana, Journal of Alloys and Compounds, 590(2014)131-139. Impact Factor=3.779.
• Synthesis and luminescent properties of Tb³⁺ activated cadmium silicate nanophosphor, B.M. Manohara, H. Nagabhushana, D.V. Sunitha, K. Thyagarajan, B. Daruka Prasad, S.C. Sharma, B.M. Nagabhushana, R.P.S. Chakradhar, Journal of Alloys and Compounds, 592(2014) 319-327. Impact Factor=3.779.
• Particle size, morphology and color tunable ZnO:Eu³⁺ nanophosphors via plant latex mediated green combustion synthesis, M. Chandrasekhar, H. Nagabhushana, S.C. Sharma, K.H. Sudheer kumar, N. Dhananjaya, D.V. Sunitha, C. Shivakumara, B.M. Nagabhushana, Journal of Alloys and Compounds, 584 (2014)417-424. Impact Factor=3.779.
• GdAlO₃:Eu³⁺:Bi³⁺ nanophosphor: Synthesis and enhancement of red emission for WLEDs, C.J. Shilpa, Akila Kadgathur Jayaram, N. Dhananjaya, H. Nagabhushana, S.C. Prashantha, D.V. Sunitha, S.C. Sharma, C. Shivakumara, B.M. Nagabhushana, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 133(2014)553-558. Impact Factor=2.098
• Heavy ion induced luminescence studies of YAlO₃:Tb³⁺, Tm³⁺ single crystals, H B Premkumar, D.V.Sunitha, H Nagabhushana, S C Sharma, S C Prashantha, Fouran Singh, B M Nagabhushana, Guangjun Zhao, Jianyu Chen, R P S Chakradhar, Materials Research Express, 1( 2014)015908 (PP 16). Impact Factor=1.151
• CdSiO₃:Eu³⁺ red nanophosphors prepared by low temperature solution combustion tech-nique,its structural and luminescent properties, H. Nagabhushana, D.V. Sunitha, S.C. Sharma, S.C. Prashantha, B.M. Nagabhushana, R.P.S. Chakradhar, Journal of Alloys and Compounds, 616 (2014) 284-292. Impact Factor=3.779.
• Effect of 6 MeV electrons on luminescence properties of Y2O₃:Tb³⁺ nanophosphors, D.V. Sunitha, H. Nagabhushana, K. Hareesh, V.N. Bhoraskar, S.D. Dhole, Journal of Luminescence, 177(2016) 119-126. Impact Factor=2.732
• Anchoring of Ag-Au alloy nanoparticles on reduced graphene oxide sheets for the reduction of 4-nitrophenol, K. Hareesh, R.P. Joshia, D.V. Sunitha, V.N. Bhoraskara, S.D. Dhole, Applied Surface Science, 389 (2016) 1050–1055. Impact Factor= 3.743.
• Eco-friendly synthesis, characterization and photoluminescence studies of Y₂O₃:Cr³⁺ nanophosphor suitable for WLED, J.B. Prasanna kumar, G. Ramgopal , D.V.Sunitha, B. Daruka Prasad, H. Nagabhushana, Y.S. Vidya , K.S. Anantharaju , S.C. Prashantha, S.C. Sharma, K.R. Prabhakara, Luminescence: The Journal of Biological and Chemical Luminescence DOI 10.1002/bio.3197, (2016)1-11. Impact Factor= 1.671.
• Tailoring the luminescence properties of Y₂O₃:Sm³⁺ nanophosphors by 6 MeV E-beam irradiation, D.V.Sunitha, H. Nagabhushana, K.Hareesh, V.N.Bhoraskar, S.D. Dhole, Radiation measurements, 96 (2017)19-28. Impact Factor= 1.369.
• Driving the photoluminescent and structural properties of X₂-Y₂SiO₅ by varying the dopant Dy³⁺ concentration towards cool wLED applications, G. Ramakrishna, H. Nagabhushana, K. Hareesh, D. V. Sunitha, Solid State Sciences, 69(2017)56-63. Impact Factor= 1.892
• Positron annihilation spectroscopy and photoluminescence investigation of LaOF:Tb³⁺ nanophosphor fabricated via ultrasound assisted sonochemical route, C. Suresh, H. Nagabhushana, G.P. Darshan, R.B. Basavaraj, S.C. Sharma, D.V. Sunitha, B. Daruka Prasad, Materials Science and Engineering: B, 224 (2017) 28–39. Impact Factor= 5.08
• Gamma radiation-assisted diffusion of Au nanoparticles in nanocavities of polycarbonate: nano-structural and surface Properties, K. Hareesh, D.V.Sunitha, P. Ramya, J.F. Williams, S. Samarin, S.D.Dhole, G. Sanjeev, Mater. Res. Express, 5 (2018) 015304, 13 pages. Impact Factor= 1.151
• Photocatalytic degradation performance of Nd³⁺ doped V2O5 nanostructures, GR Na-vyashree, K. Hareesh, D.V.Sunitha, H.Nagabhushana, G.Nagaraju, Mater. Res. Express 5 (2018) 095007. Impact Factor= 1.151
• Monovalent ions co-doped SrTiO₃:Pr³⁺ nanostructures for visualization of latent fingerprints and as a red component for solid state devices, S.Yeshodamma, D.V.Sunitha, G.P.Darshan, H.Nagabhushana, J. of Lumin. 208(2019)371-387, Impact Factor=2.732.
• Synchrotron X-ray radiation assisted synthesis of Ag/Polycarbonate and Au/Polycarbonate polymer matrix and its pollutant degradation application, K Hareesh, DV Sunitha, Vishal P Dhamgaye, Sanjay D Dhole, Vasanth N Bhoraskar, Deodatta M Phase, Nuc. Instr. and Meth. Phys. Res. Sec.B: Beam Interactions with Materials and Atoms, 447(2019)100-106, Impact Factor=1.323.
• One-step gamma radiation aided diffusion of Ag-Au alloy nanoparticles into polycarbonate and its application towards the reduction of 4-Nitrophenol, K Hareesh, DV Sunitha, Sanjay D Dhole, Vasanth N Bhoraskar, Deodatta M Phase, Jim Williams, Radiation Physics and Chemistry, 162(2019) 126-130.
• Vanadium Pentoxide Nanorods in Latent Finger Print Detection, G.R. Navyashree, K.Hareesh, H. Nagabhushana, G. N. Nagaraju, D.V. Sunitha, Materials Research Express, 6 (2019) 084003.
• Defect related Photoluminescence study of V₂O₅: Dy³⁺ nanostructures, G. R. Na-vyashree, D. V. Sunitha, K. Hareesh, G. Nagaraju, Optik, 206, March 2020, 163052.
• Influence of Electron beam on structural, thermo and photoluminescence properties of SrTiO3:Sm3+ nanophosphor, S.Yeshodamma, K.Hareesh, H.Nagabhushana, JiahnuDwived, V.Petwal, D.V.Sunitha, Optik, 223(2020) 165-483.
• Experimental and computational studies of sonochemical assisted anchoring of carbon quantum dots on reduced graphene oxide sheets towards the photocatalytic activity, MG Ashritha, Sachin R Rondiya, Russell W Cross, Nelson Y Dzade, SD Dhole, K Hareesh, DV Sunitha, Applied Surface Science, 545 (2021) 148962.

Other Publications

• Synthesis of Mn2+ doped and Zn₂SiO₄ phosphor by combustion technique and its optical properties, D.V.Sunitha, H.Nagabhushana, R.P.S.Chakradhar, B.M. Nagabhushana, Advanced materials, manufacturing management & thermal sciences, 18th-19th November 2010, 42-46, (ISSN/ISBN-0973-4562).
• Thermoluminescence studies of samarium activated willemite nano phosphors irradiated with UV-rays, D.V. Sunitha, D. L. Monika, B. S. Ravikumar, H. Nagabhushana, B. M. Nagabhushana, R.P.S. Chakradhar, Recent trends in materials chemistry and engineering, RNSIT, Bangalore, Sept 29-30, 2011, 192-196.
• Synthesis and thermally stimulated luminescence studies of γ-irradiated CdSiO3:Ni²⁺ nanocrystalline phosphors, D.V. Sunitha, C. Manjunatha, H. Nagabhushana, S.C. Sharma, B.M. Nagabhushana, R.P.S. Chakradhar, Advanced Nano materials for Industrial Applications, (2012) 225-230 (ISBN: 978-93-82563-34-1).
• Hydrothermal synthesis and photoluminescence studies of Dy₂O₃ nanorods, M.Chandrasekhar, D.V.Sunitha, H.Nagabhushana, B.M Nagabhushana, C. Shivakumara, R.P.S Chakradhar, Phosphors and their Applications, RNSIT, Bangalore, Nov 15-16 2010, 184-187.
• CeO₂ Nanocrystaline Thin Films: Preparation and Characterization, D.L. Monika, C.J. Shilpa, D.V. Sunitha, J.Malleshappa, H. Nagabhushana, K.L. Narasimha Rao, B.M. Nagabhushana, Nano Materials synthesis and Characterization, (2012) 277-282 (ISBN: 978-93-82563-36-5).
• Low Temperature Synthesis and Thermoluminescence studies of undoped and Ce³⁺ doped YAlO3 nanocrystalline phosphor, H.B. Premkumar, D.V. Sunitha, H. Nagabhushana, S.C. Sharma, S.C. Prashantha, B.M.Nagabhushana, R.P.S. Chakradhar, Applications of Nano Materials: Electronics, Energy and Environment (2012) 197-202.
• 100 MeV Si⁷⁺ ion irradiation effect on luminescence properties of nanostructured silicate phosphors, D.V.Sunitha, H.Nagabhushana, Fouran Singh, CSVTU Journal of Advanced Materials Engineering. 2015.
• Synthesis of TiO₂ nanoparticles by solution combustion technique using different plant extracts, G.R.Navyashree, H. Nagabhushana, D.V.Sunitha, S.Yeshodamma, International Journal of Engineering Research, 5(2014) 981-983.
• Photoluminescence studies of Y₂O₃:Sm³⁺ nanophosphor irradiated with 6 MeV E-beam, S.Yeshodamma, D.V.Sunitha, H. Nagabhushana, , G.R.Navyashree, K.Hareesh, V.N.Bhoraskar, S.D.Dhole, International Journal of Engineering Research, 5(2014) 989-991.