photo.jpg

Dr. S. Venkataprasad Bhat

Ph.D

Associate Professor (Research)

 

Dr. S. Venkataprasad Bhat joined SRM Research Institute in February 2014 and is leading the Green Energy Materials group.

Before joining SRM, he has worked as a post-doctoral research associate at Birck Nanotechnology Centre, Purdue University, USA for 3 years after completing his doctoral studies in materials science at Jawaharlal Nehru Centre forAdvanced Scientific Research (JNCASR), Bangalore, India.

He has experience of working on solution based processing of functional materials and fabrication as well as characterization of various optoelectronic devices. 

 


Research Grants

 

  • " Solution processed CZTS- TiO2 heterojunction for solar energy conversion: Early Career Research Award, DST-SERB, Govt. of India, as PI.
  • "Development of electrode materials for high energy density lithium ion batteries and computational studies of solar absorber layers" Ministry of New    and Renewable Energy (MNRE) , Govt. of India, as co-PI.
  • Plasma processing for graphene and metal oxide functional layers in hybrid solar cells

​              Royal Society (UK) international exchange grantCollaboration with The Open University , UK

                           

 

Research interests


 

 

Green Energy Materials (GEM) group

 


Members

JRF/PhD Students:

  • Vinayak Vitthal Satale, M.Sc. in Physics from Shivaji University, Kolhapur, joined as Junior Research Fellow under the DST –SERB project in 2016. Area of research: Solution based CZTS-TiO2 heterojunction for solar energy conversion. Email: vv2181@srmist.edu.in 
  • Sekar Sampath, M. Sc. in Chemistry from Muthuragam Government  Arts College, Vellore, joined as Junior Research Fellow in 2016. Area of research: Rare earth free phosphors and their applications. Email: sekars1@srmist.edu.in
  • Bhuvaneshwari E, M.Sc. in Physics from PSGR Krishnammal college for women,Coimbatore, joined as Junior Research Fellow in 2017. Area of research: Solution processed functional layers for photovoltaic and other energy conversion applicationsEmail: bhuvanee@srmist.edu.in
  • Sreelakshmi M R :- M.Sc. in Physics, Central University Of Kerala, Kasaragod, joined as research scholar in 2020. Email: sm3096@srmist.edu.in
  • Stenny Benny :- M.Sc in Physics, St. Joseph's College, Devagiri, Calicut, joined as research scholar in 2020. Email: sb7704@srmist.edu.in
  • Akshay V V :- M.Sc. in Materials Science from Mangalore University, Mangalore, joined as research scholar in 2020. Email: av2968@srmist.edu.in
  • Hariprasad V N; M.Sc. Nanoscience and Nanotechnology, University of Madras, joined as a research scholar in 2021.Email: hv0625@srmist.edu.in 

 

M.Sc./M.Tech/B.Tech Project students:

 


Facilities @ GEM group

  • Laboratory for solution based synthesis and processing of nano materials and thin films.
  • Spin coater
  • Electrical characterization facilities (Basic Hall effect & four probe set up, Keithley source measure unit, Vacuum chamber with heating/cooling sample stage & probe tips)
  • Tubular furnace
  • Photoreactor
  • Central facilities:

            SCIF (http://scif.srmonline.net/)

            NRC (http://nrc.srmonline.net/)

 


 Alumni

PhD

  • M. Dhanasekar , Thesis: Studies based on a new precursor solution for CZTS solar absorber, 2020

M.Sc./M.Tech/B.Tech Project students:

  • Prakhar Bhargava, Laxmi Prasanna, Debanick Banerjee, Abhishek Banerjee, Nitha Thomas, Neethu Antony, Ramakrishna Chitturi, Jenefer.V, Shinshunshim Hungyo, Sam Kingston, Ashwin Agathya, Moon Paul.

 

 

Publications

 

         30)   Bhuvaneshwari E, M. Dhanasekar, S. Venkataprasad Bhat

                Solution processed transparent anatase TiO2 nanoparticles / MoO3 nanostructures heterojunction: High

               performance self-powered UV detector for low-power and low-light applications

                Nanoscale Advances, 2021, DOI: 10.1039/D0NA00780C

         29)  M. Dhanasekar and S. Venkataprasad Bhat

                  Low-temperature, solution processed device quality CZTS film for efficient heterojunction

                  solar cells 

                  47th IEEE Photovoltaic Specialists Conference (PVSC), Calgary, OR, 2020, pp. 1019-1019.

          28)  Ashwin Agathya BoochakravarthyM. DhanasekarS. Venkataprasad Bhat

                  Thermochromic Behavior of VO2/GO and VO2/rGO Nanocomposites prepared by

                  a facile hydrothermal method

                  AIP Advances 10 (2020) 085127.

          27)   Vinayak Vitthal Satale, S. Venkataprasad Bhat

                  Superstrate type CZTS solar cell with all solution processed functional layers at low temperature

                   Solar Energy 208 (2020) 220–226

          26)   S. Sekar, S. Venkataprasad Bhat 

                  2D-BCNO with Eu3+: Partial energy transfer and direct natural white light for LEDs, 

                  New J. Chem., 43 (2019)12431-12439.

          25)   E. Indubala, M. Dhanasekar, V. Sudha, E. J. Padma Malar, P. Divya, Jositta Sherine, Revathy Rajagopal,

                  S. Venkataprasad Bhat and S. Harinipriya,

                  L-Alanine capping of ZnO nanorods: increased carrier concentration in ZnO/CuI heterojunction diode

                  RSC Advances 8 (2018) 5350-5361.

24)   S. Venkataprasad Bhat*, M. Dhanasekar, K. M. Rickey, X. Ruan

       Facile In Situ Growth of Nanostructured Copper Sulfide Films Directly on FTO Coated Glass 

       Substrate as Efficient Counter Electrodes  for Quantum Dot Sensitized Solar Cells

       ChemistrySelect, 2 (2017) 10736 –10740.

23)   M. Dhanasekar , V. Jenefer , Reshma B. Nambiar , S. Ganesh Babu , S. Periyar Selvam,

        B. Neppolian, S. Venkataprasad Bhat*

        Ambient light antimicrobial activity of reduced graphene oxide supported metal doped TiO2

        nanoparticles and their PVA based polymer nanocomposite films

        Materials Research Bulletin, 97 (2018) 238.

22)  M. Dhanasekar, Satyajit Ratha, Chandra Sekhar Rout*, S. Venkataprasad Bhat*:

        Efficient sono-photocatalytic degradation of methylene blue using nickel molybdate

        nanosheets under diffused sunlight

       Journal of Environmental Chemical Engineering, 5 (2017) 2997.

21)  R. Vinoth, S. Ganesh Babu, Vishal Bharti, V. Gupta, M. Navaneethan, S. Venkataprasad Bhat,

       C. Muthamizhchelvan, Praveen C. Ramamurthy, Chhavi Sharma, Dinesh K. Aswal, 

       Yasuhiro Hayakawa & B. Neppolian:

       Ruthenium based metallopolymer grafted reduced graphene oxide as a new hybrid solar

       light harvester in polymer solar cells.

       Scientific Reports, 7 (2017) 43133.

20)  M. Dhanasekar, S. Venkataprasad Bhat*:

       Facile synthesis of Cu2ZnSnS4 absorber layer for thin film solar cells using a highly stable

       precursor solution.

       Applied Surface Science418A (2017) 194

19)  Moon Paul, M. Dhanasekar, S. Venkataprasad Bhat*:

       Silver doped h-MoO3 nanorods for sonophotocatalytic degradation of organic pollutants

       in ambient sunlight.

       Applied Surface Science418A (2017) 113 .

18)  R. Paul*, R. N. Gayen, S. Biswas, S. Venkataprasad Bhat* and R. Bhunia:

        Enhanced UV detection by transparent graphene oxide/ZnO composite thin films.

        RSC Advances, 6 (2016) 61661.

17)  Rickey, K.M., Nian, Q., Zhang, G., Chen, L., Suslov, S., Bhat, S.Venkataprasad., Wu, Y.,

       Cheng, G.J., Ruan, X.:

       Welding of Semiconductor Nanowires by Coupling Laser-Induced Peening and Localized Heating.

       Scientific Reports, 5 (2015) 16052.

16)  Qiong Nian, Martin Y. Zhang, Yuefeng Wang, Suprem R Das, S. Venkataprasad Bhat,

        Fuqiang Huang, Gary J. Cheng:

       Charge carrier transport and collection enhancement of copper indium diselenide photoactive

       nanoparticle-ink by laser crystallization.

        Appl. Phys. Lett.,105 (2014) 111909.

       Erratum

15)   B. T. Spann, S. Venkataprasad Bhat, Q. Nian, K. M. Rickey, G. J. Cheng, X. Ruan , X. Xu:

         Enhancing Photo-induced Ultrafast Charge Transfer across Heterojunctions of CdS and

         Laser-Sintered TiO2 Nanocrystals.

         Phys. Chem. Chem. Phys., 16 (2014) 10669.

14)   K. M. Rickey, G. Zhang, L. Chen, S. Venkataprasad Bhat, Y. Wu, G. Cheng, X. Ruan:

        Effects of rapid thermal processing and pulse-laser sintering on CdTe nanofilms for photovoltaic

        applications.

        Proc. SPIE 8465, Nanostructured Thin Films V, 846505 (2012)

13)   S. Venkataprasad Bhat, A. Govindaraj, C.N.R. Rao:

        Hybrid solar cell based on P3HT–ZnO nanoparticle blend in the inverted device configuration.

         Solar Energy Materials & Solar Cells, 95 (2011) 2318.

12)   S. Venkataprasad Bhat, S. B. Krupanidhi, and C. N. R. Rao:

        A Comparative Study of the Effect of Metallic Au and ReO3 Nanoparticles on the Performance of

        Silicon Solar Cells.

        Applied Physics Express 3 (2010) 115001.

11)   D. Swain, V.Bhadram, S. Venkataprasad Bhat, G. Pradhan, C. Narayana and C. N. R. Rao:

        Superionic Phase transition in KHSO4: A Temperature Dependent Raman Investigation.

        J. Phys. Chem. A, 114 (2010) 10040.

10)  Prashant Kumar, L. S. Panchakarla, S. Venkataprasad Bhat, Urmimala Maitra,

       K. S. Subrahmanyam and C. N. R. Rao:

       Photoluminescence, white-light emitting properties and related aspects of ZnO nanoparticles

       admixed with graphene and GaN.

        Nanotechnology, 21 (2010) 385701.

9) S. Venkataprasad Bhat and S. R. C. Vivekchand, A. Govindaraj,and C. N. R. Rao:

    Photoluminescence and photoconducting properties of ZnO nanoparticles.

     Solid State Communications, 149 (2009) 510.

8) Anirban Ghosh, Jyoti Ranjan Sahu, S. Venkataprasad Bhat and C.N.R. Rao:

     A Raman study of multiferroic LuMnO3.

     Solid State Sciences, 11 (2009) 1639–1642.

7) R.V.K. Mangalam, S.Venkataprasad Bhat, A. Iyo, Y. Tanaka, A. Sundaresan and C.N.R. Rao:

     Dielectric properties, thermal decomposition and related aspects of BiAlO3.

     Solid State Communications, 146 (2008) 435.

6) B. Chitara, S. Venkataprasad Bhat, S. R. C. Vivekchand, A. Gomathi and C. N. R. Rao:

     White-light sources based on composites of GaN nanocrystals with conducting polymers and

    nanophosphors.

     Solid State Communications, 147 (2008) 409.

5) Kaniska Biswas, S. Venkataprasad Bhat and C. N. R. Rao:

     Surface-Enhanced Raman Spectra of Aza-aromatics on Nanocrystals of Metallic ReO3.

     Journal of Physical Chemistry C, 111 (2007) 5689.

4) S. Venkataprasad Bhat, Kaniska Biswas and C. N. R. Rao:

    Synthesis and optical properties of In-doped GaN nanocrystals.

     Solid State Communications, 141(2007) 325.

3) S. Venkataprasad Bhat and S. R. C. Vivekchand:

     Optical spectroscopic studies of composites on conducting PANI with CdSe and ZnO Nanocrystals.

     Chemical Physics Letters, 433 (2006) 154.

2) S. Venkataprasad Bhat, A. Govindaraj and C. N. R. Rao:

    Tuning the emission bands of nanophosphors through the refractive index of the medium.

     Chemical Physics Letters, 422 (2006) 323.

1) S. Venkataprasad Bhat and F. L. Deepak:

     Tuning the bandgap of ZnO by substitution with Mn2+, Co2+ and Ni2+.

     Solid State Communications, 135 (2005) 345.

 

Patents

 

1. A COMPOSITION FOR PREPARING CZTS THIN FILMS AND A PROCESS FOR PREPARING THE COMPOSITION, Indian Patent - Application No  201741012657, M Dhanasekar and S. Venkataprasad Bhat, published on12th October 2018.

 


Courses offered:

  • Nanotechnolgy for energy systems (NT0012) for B.Tech. Nanotechnology
  • Nanomagnetism (NT0006) for B.Tech. Nanotechnology
  • Solid State Technology (NT2119) for M. Tech. Nanotechnology.
  • Fundamentals of Nanoscience and Nanotechnology (NT2001) for M. Tech. Nanotechnology.
  • Elements of Nanoscience and Nanotechnology (UPY14601) for B. Sc. Physics.
  • Nanotechnology in energy conversion and storage (NT2103) for PhD course work.
  • Solid State Technology (NT2119) - for PhD course work.
  • Photovoltaic technology - for PhD course work.
  • Nanocompsites (20NTE505T) for M. Tech. Nanotechnology.

Opportunities

Highly motivated students/researchers with background/interest in materials science, physics, chemistry, nanotechnology and related subjects are welcome to the group.  Please contact (venkatab@srmist.edu.in) with your details.

Postdoctoral positions:

Candidates having relevant experience with PhD qualification or those who are waiting for final thesis defence can approach us to discuss more about possible postdoctoral positions.  We will be happy to support candidates willing to apply for felowship programs such as 'SERB National Post Doctoral Fellowship

PhD/JRF positions:

Candidates with PG (M.Sc./M.Tech.) qualification in relevant subject or those who have appeared for the PG final examination can apply for PhD/JRF positions.

1. Candidates with CSIR/UGC-NET/JRF, GATE are most welcome and we will be happy to support applicants for national fellowships such as INSPIRE FellowshipPrime Minister's FellowshipNational Doctoral Fellowship, etc. Self-funded applicants also can be considered.

2. Candidates can apply for the SRMIST PhD admissions  (Last dates for PhD applications are in April and October every year). International candidates can also apply

 


Contact Details

Email: venkatab@srmist.edu.in

Office: RRP-609, 6th Floor, Sir C. V. Raman Research Park,

SRM Research Institute,

SRM Institute of Science and Technology (formerly known as SRM University),

Kattankulathur, Chengalpattu District.

Tamil Nadu, India. PIN:603203