Posa Venkata Ramana

@u-pec.fr

Post doctoral Fellow
University Paris-Est Créteil



                    

https://researchid.co/pvr1985

EDUCATION

• Yogi Vemana University, Kadapa, Andhra Pradesh, India
Ph.D. in Materials Science and Nanotechnology 2012-2016
Thesis title: “Development of Nanomaterials and Its applications”
(Submitted on 17th February 2016, viva held on 17th May 2016)
Thesis advisor: Dr. S. Adinarayana Reddy
• Yogi Vemana University, Kadapa, Andhra Pradesh, India
B.Ed. (Bachelor of Science) in Physical Sciences 2010-2011
Percentage of marks: 70% (First division)
• Sri Venkateswara University, Tirupati, Andhra Pradesh, India
M.Sc. (Master of Science) in Organic Chemistry 2007-2009
Percentage of marks: 71% (First division)
• Sri Venkateswara University, Tirupati, Andhra Pradesh, India
B.Sc. (Bachelor of Science) with Chemistry, Physics and Mathematics 2003-2006
Cumulative marks obtained: 63% (First division)

RESEARCH INTERESTS

• Development of advanced energy storage and conversions materials
• Design of electro/photo catalytic materials of carbon based nanocomposites
• Synthesis of surface modifications of nanostructured materials by plasma technique
• Development of combined Damp Hear-UV acceleration of lifetime testings of Photovoltaic Modules

267

Scholar Citations

9

Scholar h-index

8

Scholar i10-index

RECENT SCHOLAR PUBLICATIONS

  • Analysis of the degradation of amorphous silicon mini-modules under a severe sequential UV/DH test
    J Vincent, VR Posa, A Khouzam, PO Logerais, M El Yaakoubi, A Labouret
    EPJ Photovoltaics 14, 25 2023

  • Analysis of the degradation of amorphous Si mini-modules under a severe sequential UV/DH test
    J Vincent, VR Posa, A Khouzam, M Elyaakoubi, A Labouret, P Logerais
    Journes Nationales du PhotoVoltaque, JNPV 2022 2022

  • Fabrication of bimetallic PtPd alloy nanospheres supported on rGO sheets for superior methanol electro-oxidation
    S Esabattina, VR Posa, H Zhanglian, S kumar Godlaveeti, RRN Reddy, ...
    International Journal of Hydrogen Energy 43 (8), 4115-4124 2018

  • S. k. Godlaveeti, RR Nagi Reddy and AR Somala, Fabrication of bimetallic PtPd alloy nanospheres supported on rGO sheets for superior methanol electro-oxidation
    S Esabattina, VR Posa, H Zhanglian
    Int. J. Hydrogen Energy 43 (8), 4115-4124 2018

  • Invention of GO-ZnO Nanocomposite and Antibacterial Activity of Five Waterborne Pathogenic Bacteria Species at Low Concentrations
    J Sumalatha, PV Ramana, SA Reddy
    Journal of Nanoscience and Technology, 262-265 2017

  • Terminalia bellirica fruit extract-mediated synthesis of gold nanoparticles (AuNPs) and studies on antimicrobial and antioxidant activity
    V Annavaram, VR Posa, D Vijaya Lakshmi, J Sumalatha, AR Somala
    Inorganic and Nano-Metal Chemistry 47 (5), 681-687 2017

  • Synergetic enhanced day-light driven photocatalytic reduction of heavy metal Cr (VI) by graphene supported ZnO nanocubes
    PV Ramana, A Viswadevarayulu, K Kumar, SA Reddy
    Adv. Mater. Lett. 8, 303-308 2017

  • Biocompatible synthesis of palladium nanoparticles and their impact on fungal species
    A Viswadevarayalu, PV Ramana, J Sumalatha, SA Reddy
    Journal of Nanoscience and Technology, 169-172 2016

  • Preparation of graphene–TiO2 nanocomposite and photocatalytic degradation of Rhodamine-B under solar light irradiation
    VR Posa, V Annavaram, JR Koduru, P Bobbala, M V, AR Somala
    Journal of Experimental Nanoscience 11 (9), 722-736 2016

  • Fabrication of graphene–TiO2 nanocomposite with improved photocatalytic degradation for acid orange 7 dye under solar light irradiation
    VR Posa, V Annavaram, AR Somala
    Bulletin of Materials Science 39, 759-767 2016

  • Graphene-ZnO nanocomposite for highly efficient photocatalytic degradation of methyl orange dye under solar light irradiation
    VR Posa, V Annavaram, JR Koduru, VR Ammireddy, AR Somala
    Korean Journal of Chemical Engineering 33, 456-464 2016

  • Fine Ultrasmall Copper Nanoparticle (UCuNPs) Synthesis by Using Terminalia bellirica Fruit Extract and Its Antimicrobial Activity
    A Viswadevarayalu, P Venkata Ramana, G Sreenivasa Kumar, ...
    Journal of Cluster Science 27, 155-168 2016

  • Facile Green Synthesis of Silver Nanoparticles Using Limonia Acidissima Leaf Extract and its Antibacterial Activity
    V Annavaram, VR Posa, VG Uppara, S Jorepalli, AR Somala
    Bionanoscience 5, 97-103 2015

  • Green Synthesis of Ag Nanoparticles by Helicteris Isora. L Fruit Extract as a Reducing Agent: Antimicrobial Activity
    V Annavaram, S Jorepalli, YNCR Babu, VR Posa, SA Reddy

MOST CITED SCHOLAR PUBLICATIONS

  • Graphene-ZnO nanocomposite for highly efficient photocatalytic degradation of methyl orange dye under solar light irradiation
    VR Posa, V Annavaram, JR Koduru, VR Ammireddy, AR Somala
    Korean Journal of Chemical Engineering 33, 456-464 2016
    Citations: 65

  • Preparation of graphene–TiO2 nanocomposite and photocatalytic degradation of Rhodamine-B under solar light irradiation
    VR Posa, V Annavaram, JR Koduru, P Bobbala, M V, AR Somala
    Journal of Experimental Nanoscience 11 (9), 722-736 2016
    Citations: 59

  • Facile Green Synthesis of Silver Nanoparticles Using Limonia Acidissima Leaf Extract and its Antibacterial Activity
    V Annavaram, VR Posa, VG Uppara, S Jorepalli, AR Somala
    Bionanoscience 5, 97-103 2015
    Citations: 33

  • Fabrication of bimetallic PtPd alloy nanospheres supported on rGO sheets for superior methanol electro-oxidation
    S Esabattina, VR Posa, H Zhanglian, S kumar Godlaveeti, RRN Reddy, ...
    International Journal of Hydrogen Energy 43 (8), 4115-4124 2018
    Citations: 31

  • Fine Ultrasmall Copper Nanoparticle (UCuNPs) Synthesis by Using Terminalia bellirica Fruit Extract and Its Antimicrobial Activity
    A Viswadevarayalu, P Venkata Ramana, G Sreenivasa Kumar, ...
    Journal of Cluster Science 27, 155-168 2016
    Citations: 21

  • Terminalia bellirica fruit extract-mediated synthesis of gold nanoparticles (AuNPs) and studies on antimicrobial and antioxidant activity
    V Annavaram, VR Posa, D Vijaya Lakshmi, J Sumalatha, AR Somala
    Inorganic and Nano-Metal Chemistry 47 (5), 681-687 2017
    Citations: 18

  • Fabrication of graphene–TiO2 nanocomposite with improved photocatalytic degradation for acid orange 7 dye under solar light irradiation
    VR Posa, V Annavaram, AR Somala
    Bulletin of Materials Science 39, 759-767 2016
    Citations: 16

  • Biocompatible synthesis of palladium nanoparticles and their impact on fungal species
    A Viswadevarayalu, PV Ramana, J Sumalatha, SA Reddy
    Journal of Nanoscience and Technology, 169-172 2016
    Citations: 11

  • S. k. Godlaveeti, RR Nagi Reddy and AR Somala, Fabrication of bimetallic PtPd alloy nanospheres supported on rGO sheets for superior methanol electro-oxidation
    S Esabattina, VR Posa, H Zhanglian
    Int. J. Hydrogen Energy 43 (8), 4115-4124 2018
    Citations: 9

  • Invention of GO-ZnO Nanocomposite and Antibacterial Activity of Five Waterborne Pathogenic Bacteria Species at Low Concentrations
    J Sumalatha, PV Ramana, SA Reddy
    Journal of Nanoscience and Technology, 262-265 2017
    Citations: 2

  • Synergetic enhanced day-light driven photocatalytic reduction of heavy metal Cr (VI) by graphene supported ZnO nanocubes
    PV Ramana, A Viswadevarayulu, K Kumar, SA Reddy
    Adv. Mater. Lett. 8, 303-308 2017
    Citations: 2

Publications

1. P. Venkata Ramana, A. Viswadevarayalu, K. Janardhan Reddy, A. Varada Reddy, S. Adinarayana Reddy*. Graphene-ZnO nanocomposite for highly efficient photocatalytic degradation of methylene orange dye under solar light irradiation. Korean Journal of Chemical Engineering, 2016, 33, 456-464.
2. P. Venkata Ramana, A. Viswadevarayalu, K. Janardhan Reddy, B. Prathima, S. Adinarayana Reddy*. Preparation of Graphene-TiO2 nanocomposite and photocatalytic degradation of Rhodamine-B under solar light irradiation. Journal of Experimental Nanoscience, 2016, 11, 722-736.
3. P. Venkata Ramana, A. Viswadevarayalu, S. Adinarayana Reddy*. Fabrication of Graphene-TiO2 nanocomposite with improved photocatalytic degradation for acid orange 7 dye under solar light irradiation. Bulletin of Materials Science, 2016, 39, 759-767.
4. P. Venkata Ramana, A. Viswadevarayalu, K. Kumar, S. Adinarayana Reddy*. Graphene-ZnO nanocomposite for synergetic enhanced photocatalytic reduction of toxic metal ion Cr(VI) under solar light. Advanced Materials Letters, 2017, 8(3), 303-308.
5. A. Viswadevarayalu, P. Venkata Ramana, U. Venu Gopal, J. Sumalatha, S. Adinarayana Reddy*. Facile green synthesis of silver nanoparticles using Limonia Acidissima leaf extract and its antibacterial activity. Bio Nano Science, 5, 2015, 97-103.
6. A. Viswadevarayalu, P. Venkata Ramana, G. Sreenivasa Kumar, L. Rathna Sylvia, J. Sumalatha, S. Adinarayana Reddy*. Fine Ultrasmall Copper nanoparticle (UCuNPs) synthesis by using Terminalia bellirica fruit extract and its antimicrobial activity. Journal of Cluster Science, 15, 2015, 1-14.
7. A. Viswadevarayalu, J. Sumalatha, Y. N. Ch. Ravi Babu, P. Venkata Ramana, S. Adinarayana Reddy*. Green synthesis of Ag nanoparticles by Helicteris extract as a reducing agent: antimicrobial activity. International Journal of Advanced Research in Physical Science, 2, 2015, 34-42.
8. A. Viswadevarayalu, P. Venkata Ramana, D. Vijaya Lakshmi, J. Sumalatha and S. Adinarayana Reddy*. Terminalia bellirica Fruit Extract Mediated Synthesis of Gold Nanoparticles (AuNPs) and studies on Antimicrobial and Antioxidant activity. Inorganic and Nano-Metal Chemistry, 47, 2017, 681-687.
9. A. Viswadevarayalu, P. Venkata Ramana, J. Sumalatha, S. Adinarayana Reddy*, Biocompatible Synthesis of Palladium Nanoparticles and Their Impact on Fungal Species. Journal of Nanoscience and Technology, 2016, 2(3), 169-172.
10. S. Adinarayana Reddy*, P. Venkata Ramana and A. Varada Reddy, Synthesis of novel analytical reagent, 2,6-diacetylpyridine bis-4-phenyl-3-thiosemicarbazone and its analytical applications: Determination of Pd(II) in spiked samples. Journal of Chemical and Pharmaceutical Research, 2015, 7(8):146-154.
11. J Sumalatha, P.Venkata Ramana, S. Adinarayana Reddy*, Invention of GO-ZnO Nanocomposite and Antibacterial Activity of Five Waterborne Pathogenic Bacteria Species at Low Concentrations. Journal of Nanoscience and Technology, 2017, 3(2), 262-265.
12. E. Sunanda, P. Venkata Ramana, Zhanglian Hong, Srinivasa Kumar Godlaveeti, R. Rammanohar Reddy, S. Adinarayana Reddy*, Fabrication of bimetallic PtPd alloy nanospheres supported on rGO sheets for superior methanol electro-oxidation. International Journal of Hydrogen Energy, 2018, 43, 4115-4124.

GRANT DETAILS

• Post-Doctoral Fellow Dec 2016-Dec 2018
Zhejiang University, China.
Supervisor: Prof. Zhanglian Hong
Post-doctoral title: “Study of High performance Supercapacitor Materials”

Projects:
 Fabrication of oxygen vacancy created transition metal oxides on graphene sheets for high performance supercapacitors
 Improved high performance supercapacitor electrode of f-MWCNTs/LDH nanocomposite
 Synthesis of plasma treated surface modification of nanoarrays for Hydrogen Evolution Reaction
• Project Fellow 2013- 2016
Yogi Vemana University, India
Supervisor: Asst. Prof. Dr. S. Adinarayana Reddy
Projects:
 Development of nano-adsorbents for the removal of heavy metal ions from waste water streams
 Design of graphene based metal oxides (ZnO and TiO2) nanocomposite for enhanced photocatalytic degradation of organic dyes from aqueous solutions
 Synthesis of reduced graphene oxide-based nanostructured materials for electro-catalysis and antibacterial activity
• Research Assistant Aug/2012- Feb/2013
UGC-Networking Resource Centre program
University of Hyderabad, India
Supervisor: Assoc. Prof. Dr. P. Ramu Sridhar
Project:
 Design of Non-doped OLEDs based on 2-fold luminescence thermally stable Bimesitylenes