Welcome to Ravi's Abode

Dr. Ravi Kumar Biroju MInstP, MRSC (ORCID: 0000-0002-4152-7509) (Research Gate Profile)

Assistant Professor (Senior-Grade 1), School of Advanced Sciences-Division of Physics, Vellore Institute of Technology, Chennai Campus (VIT Chennai)

Past Positions

SASPRO-2 Fellow , Slovak Academic and Scientific PROgramme for experienced researchers, Centre for Nanodiagnostics of Materials)

2. Assistant Professor, KL University, Hyderabad Campus,

3. Marie-Skłodowska-Curie Individual Research Fellow, WHIPCAT, Nanoscale Physics Research Laboratory (NPRL), School of Physics and Astronomy, University of Birmingham UK

4. Post-Doctoral Fellow I-III, and SERB-India National Post-Doctoral Fellow, Surface Science and Interface Engineering Group Tata Institute of Fundamental Research - Hyderabad (TNN's Group)

Phone: (+91) 9704235453

E-mail: ravi.biroju@stuba.sk; birojuravi@gmail.com

Education:

2016: Ph. D in Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, Assam, India.

2009: M. Sc (Master degree) in physics Osmania University, Hyderabad, Telangana, India.

2007: B. Ed (Bachelor degree in Education), Osmania University, Hyderabad, Telangana, India.

2004: B. Sc (Bachelor degree in science), Osmania University, Hyderabad, Telangana, India.

Fellowships:

2022-Present: SASPRO-II Research grant from Slovak Academic and Scientific Programme, under HORIZON-2020, Marie-Sklodowska-Curie Co-fund Actions ,Slovakia University of Technology Bratislava, Europe

2025- Marie-Sklodowska-Curie Allumini Association Micro Grant

2022: RSC (Royal Society of Chemistry) research fund from Royal Society of Chemistry

2019-2020: Post-Doctoral Fellowship-III, Tata Institute of Fundamental Research Hyderabad, India

2017- 2019: Marie-Sklodowska-Curie Individual Fellowship, University of Birmingham, UK

2017- 2017: SERB National Post-Doctoral Fellowship, Tata Institute of Fundamental Research Hyderabad, India

2016-2017: Post-Doctoral Fellowship-I, Tata Institute of Fundamental Research Hyderabad, India

2012-2015: Senior Research Fellowship from Ministry of Human Resource Development (MHRD) for a GATE qualified candidate, IIT Guwahati.

2010: Junior Research Fellowship (2010-2012) from Ministry of Human Resource Development (MHRD) for a GATE qualified candidate, IIT Guwahati.

2017: Recipient of PBC Postdoctoral Fellowship for India/Chinese Researchers to pursue the research project in Israel.

Awards:

Received best presentation award in the session " Graphene and other 2D materials" CTMSE 2019, S. N. Bose Center for Basic Sciences, Kolkata, India.

Received the Certificate of Excellence (1st prize) for the Paper Presentations (MST), Reflux2015, IIT Guwahati.

Received outstanding reviewer award from CARBON, Elsevier, 2017-2019.

Received a top cited author award from IOP publishing, UK, 2018.

Received a best poster award sponsored by Nanoscale, Royal Society of Chemistry, London, UK at ICONSAT-2014, INST Mohali, Punjab, India.

Recipient of international travel support, DST-SERB, for presenting a paper at GRAPHENE-2015, Bilbao, Spain.

Membership

Member, Institute of Physics (MInstP), UK

Member, Royal Society of Chemistry (MRSC), UK

Member, Materials Research Society (MRS), USA

American Chemical Society (ACS), USA

Research Publications ( Click Here to see Google Scholar)

(* Corresponding Author; +Equal Contribution)

34. Sreekant Anil, Dipak Maity, Snehith Adabala, Raheel Hameed, Arpan De, Janmey Jay Panda, Ravi K. Biroju, Viliam Vretenar, Soumya Ghosh, G Rajalakshmi, and Tharangattu N. Narayanan1* "Valley Engineering of Monolayer MoS2 via Substitutional Cr and V Dopants and the Mechanistic Insights" (Nano Letters, 2025, 25, 13401−13409, https://pubs.acs.org/doi/10.1021/acs.nanolett.5c03877; IF: 10.8)

33. Ravi K. Biroju*, Sanat Nalini Paltasingh, Mihir Sahoo, Soumen Dhara, Dipak Maity, Viliam Vretenár, P. K. Giri, Tharangattu N. Naryanan, and Saroj Kumar Nayak "Graphene-ZnO Thin Film Heterostructures based Efficient UV Photosensors" (ACS Applied Electronic Materials, 2025, 7, 4888-4897. 10.1021/acsaelm.5c00348; A cover art associated with this work has been selected as a front cover for a future issue of ACS Applied Electronic Materials IF: 4.7)

32. Vančo, Ľubomír; Ravi K. Biroju*; Kotlár, Mário; Vretenár, Viliam; Maity, Dipak; Narayanan, Tharangattu "Non-destructive imaging and quantification of composition in 2D MoS 2 and V-doped MoS 2 by the Auger scatterplot method" (Journal of Physical Chemistry C, jp-2025-05299s, minor revision; IF: 3.2)

31. Dipak Maity, Ravi K. Biroju*, Viliam Vretenár, Mihir Ranjan Sahoo, Ľubomír Vančo, Matej Mičušík, Tharangattu N. Narayanan, and Kalpataru Pradhan "Microscopic and Computational Assessment of Adsorbates in Ultra-Cleaned 2D MoS2(1-x)Se2x Alloys Treated by Ethanol and Their Role in Enhanced Photoconductivity and Photoresponse" (ACS Applied Nano Materials, an-2025-03601e, minor revision; IF: 5.5)

30. Shipra Aswal, Sirsendu Ghosal, Himanshu Murari, Ravinder Chahal, Ravi K. Biroju, Viliam Vretenár, Ľubomír Vančo, Subhradip Ghosh, P. K. Giri "Effects of Layer Thickness and Selenium Vacancies in Modulating the Anisotropic In-Plane Thermal Transport in 2D ReSe2: Experiment vs. Theory" (Nanoscale, NR-ART-08-2025-003555, under review, I.F: 5.1)

29. Dipak Maity, Rajesh Kumar Yadav, Adi Levi, Rahul Sharma, Emanuel Ber, Eilam Yalon, Ravi K. Biroju, Viliam Vretenár and Tharangattu N. Narayanan*, and Doron Naveh* "Interfacial Engineering of Degenerately Doped V0.25Mo0.75S2 for Improved Contacts in MoS2 Field Effect Transistors" (Small Methods, https://onlinelibrary.wiley.com/doi/10.1002/smtd.202401938; IF: 10.7)

28. Ravi K. Biroju*, Dipak Maity, Viliam Vretenár, Ľubomír Vančo, Rahul Sharma, Mihir Ranjan Sahoo, Jitendra Kumar, Gayathri G, and Tharangattu N. Narayanan, Saroj Kumar Nayak “Quantification of Alloy Atomic Composition Sites in 2D Ternary MoS2(1-x)Se2x and their Role in Enhanced Photoconductivity, Photoresponse and Photo-Electrocatalysis” (Materials Today Advances 22 (2024) 100504, https://doi.org/10.1016/j.mtadv.2024.100504; IF: 10)

27. Rahul Sharma, Henry Nameirakpam, David Muradas Belinchón , Prince Sharma , Ulrich Noumbe, Daria Belotcerkovtceva , Elin Berggren , Viliam Vretenár , Ľubomír Vančo , Matúš Maťko , Ravi K. Biroju, Soumitra Satapathi , Tomas Edvinsson , Andreas Lindblad and M. Venkata Kamalakar "Large-scale direct growth of monolayer MoS2 on patterned Graphene channels for van der Waals ultrafast-photoactive circuits" (ACS Applied Materials & Interfaces 2024, doi/10.1021/acsami.4c07028, IF: 8.3)

26. Tammana S.R.C. Murthy, Ji Zou, V. Venkatachalam, Ravi K. Biroju, Wolfgang Theis, Jon Binner "ZrC Matrix Deposition by Radio Frequency Assisted Chemical Vapour Infiltration for Fabrication of Continuous Fibre Reinforced Ultra-High Temperature Ceramic Matrix Composites" (Journal of American Ceramic Society, 2023, http://doi.org/10.1111/jace.20010, IF: 4. 186)

25. Ravi K. Biroju*, Bhanu Chandra Marepally, Pariksha Malik, Soumen Dhara, Gengan Saravanan, Dipak Maity, Tharangattu N. Narayanan and P. K. Giri “Surface-Enhanced Raman Scattering from Defect Engineered CVD Graphene Physically Functionalized with Plasmonic Au, Ag and Cu Nanoparticles” (ACS Omega 2023, 8, 4344-4356, 10.1021/acsomega.2c07706, IF:4.132)

24. Soumen Dhara, S. R. Mohapatra and Ravi K. Biroju "Fast UV-photoresponse from Aluminium Doped Zinc Oxysulphide composite nanowires by efficient charge-exchange interactions "(Journal of Luminescence 2022, Elsevier, https://doi.org/10.1016/j.jlumin.2022.119138 , IF: 4.171)"

23. Gengan Saravanan, R.M. Gnanamuthua , Sanjay Sankaranarayanan, Venumbaka Maneesh Reddy, Bhanu Chandra Marepally, Ravi K. Biroju, Chang Woo Lee "Electrochemical modified Pt nanoflower @ rGO for non-enzymatic electrochemical sensing of glucose" (Sensors and Actuators: A. Physical 2023, Elsevier, https://doi.org/10.1016/j.sna.2023.114232 IF: 4.291)

22. Ravi K. Biroju*, Patrick Harrison, Wolfgang Theis, Neil Vaughan Rees, Rahul Sharma, Tharangattu N. Narayanan and Myung Gwan Hahn “Pt147 Size Selected Platinum Nanoclusters Soft Landed on WS2 Nanosheets” (ACS Appl. Nano Mater. 2021, 4, 12, 13140-131248 A cover art associated to this work has been selected as a Front Cover for a future issue of ACS Applied Nano Materials IF: 6.140)

21. Larionette P. l. Mawlong, Ravi K. Biroju*, P. K. Giri "Low Temperature Chemical Vapour Deposition Growth of MoS2 Nanodots and its Raman and Photoluminescence Profiles" (Frontiers in Nanotechnology/Nanotechnology for Energy Applications 2021, DOI: 10.3389/fnano.2021.775732)

20. Figerez, Stelbin Peter ; Tadi, Kiran; Sahoo, Krishna Rani; Sharma, Rahul; Ravi K. Biroju; Gigi, Aleena; Anand K, Aiswarya ; Kalita, Golap; Narayanan, Tharangattu “MoS2–Graphene van der Waals Heterostructures as Stable Electrochemical Sensing Platforms” (Tungsten, 3, 329-337 (2021) https://doi.org/10.1007/s42864-020-00061-7, IF: 6.6).

19. Rahul Sharma, Juhi Pandey, Krishna Rani Sahoo, Kawal Singh, Ravi K. Biroju, Wolfgang Theis, Ajay Soni and Tharangattu N. Narayanan “Spectroscopic Correlation of Microscopically Observed Chalcogen Defects in Atomically Thin MoS2(1-x)Se2x Alloys” (J. Phys. Mater. 3 (2020) 045001, https://iopscience.iop.org/article/10.1088/2515-7639/abab6a, IF: 5.847).

18. Balakrishna Ananthoju, Ravi K. Biroju, Wolfgang Theis and Robert A. W. Dryfe "Controlled Electrodeposition of Gold: Maximisation Defect-Enhanced Raman Scattering Response" (Small 2019, 1901555, IF: 15.153)

17. Rahul Sharma, Krishna Rani Sahoo, Pankaj Kumar Rastogi, Ravi K. Biroju+, Wolfgang Theis, Tharangattu N. Narayanan “On the Synthesis of MorphologyControlled Transition Metal Dichalcogenides via CVD for Electrochemical Hydrogen Generation” (Physica Status Solidi (RRL) Rapid Research Letters, DOI: 10.1002/pssr.201900257, IF: 3.277).

16. Kamal Kumar Pal, Sreekanth Narayanaru, Ravi K. Biroju, Alexander J Pattison, Tharanagattu N. Narayanan, Daniel Escalera-López, Neil Vaughan Rees, Wolfgang Theis and P. K. Giri "Strongly Enhanced Visible Light Photoelectrocatalytic Hydrogen Evolution Reaction in n-doped MoS2 /TiO2 Heterojunction by Selective Decoration of Platinum Nanoparticles at the MoS2 Edge Sites” (J. Mater. Chem. A, 2018,6, 22681-22696, IF: 14.511)

15. Rahul Sharma, Ravi K. Biroju+, Ofer Sinai, Hagai Cohen, Krishna Rani Sahoo, Vlada Artel, Hadas Alon, Adi Levi, A. Subrahmanyam, Wolfgang Theis, Doron Naveh, Tharangattu N. Narayanan "Vapour transport deposition of fluorographene oxide films and electro-optical device applications" (Applied Materials Today, Volume 13, 2018, Pages 387-395, https://doi.org/10.1016/j.apmt.2018.08.015. IF: 8.3)

14. Kamal Kumar Pal, Sreekanth Narayanaru, Ravi K. Biroju, T. N. Narayanan and P. K. Giri “Solar Light-Driven Photoelectrocatalytic Hydrogen Evolution and Dye Degradation by Metal-free Few-layer MoS2 Nanoflower/TiO2(B) Nanobelts Heterostructures” (Sol. Energy Mater Sol. 2018, 185, 364-374, IF: 7.305).

13. Ravi K. Biroju, Deya Das, Rahul Sharma, Shubhadeep Pal, Larionette P. L. Mawlong, Kapil Bhorkar, Abhishek K. Singh, P. K. Giri, Tharangattu N. Narayanan “Hydrogen Evolution Reaction Activity of Graphene–MoS2 van der Waals Heterostructures” (ACSEnergy Lett. 2017, 2, 1355–1361, IF: 23.991). ‘Among the most read articles in the past month

12. Ravi K. Biroju; Shubhadeep Pal.; Rahul Sharma.; P. K. Giri.; Tharangattu N. Narayanan ”Stacking Sequence Dependent Photo-Electrocatalytic Performance of CVD Grown MoS2/Graphene Van Der Waals Solids” (Nanotechnology 2017, 28, 085101, IF: 3.953). Appeared IOP LAB TALKS ‘Atomic Layer Sequence Influences Catalysis

11. Pal, S.; Sahoo, M.; Veettil, V. T.; Tadi, K. K.; Ghosh, A.; Satyam, P.; Ravi K. Biroju; Ajayan, P. M.; Nayak, S. K.; Narayanan, T. N., Covalently Connected Carbon Nanotubes as Electrocatalysts for Hydrogen Evolution Reaction through Band Engineering” (ACS Catalysis 2017,2676-2684, IF: 13.700).

10. Tadi, K. K.; Bikkarolla, S. K.; Bhorkar, K.; Pal, S.; Kunchur, N.; N, I.; Radhakrishnan, S.; Ravi K. Biroju, Narayanan, T. N., “Defluorination of Fluorographene Oxide Via Solvent Interactions” (PartPart Syst Charact. 2017, 1600346, IF: 3.467)

9. Tharangattu N. Narayanan, Ravi K. Biroju and Venkatesan Renugopalakrishnan “Fluorographene: Synthesis and sensing applications” (J. Mater. Res. 2017, 1-12, IF: 3.089) 'Invited and cover page article with Dr. T. N. Naryanan'

8. Ravi K. Biroju and P. K. Giri “Strong Visible and Near Infrared Photoluminescence from ZnO Nanorod/ Nanowires Grown on Graphene Studied Using Sub-band Gap Excitation” (J. Appl. Phys.122, 044302, 2017, IF: 2.877).

7. Ravi K. Biroju, Biswajit Choudhury and P. K. Giri “Plasmon Enhanced Strong Visible Light Photocatalysis by Defect Engineered CVD Graphene and Graphene Oxide Physically Functionalized with Au Nanoparticles” (Cat. Sci. Technol. 2016, 6, 7101-7112, IF: 6.111)

6. Ravi K. Biroju and P. K. Giri “Graphene Enhanced UV Photodetector Based on Graphene-ZnO Nanowires Hybrid: Fabrication, Photoresponse and Photoluminescence Studies” (Adv. Sci. Lett. 2016, 22,99-104)

5. Ravi K. Biroju, Rajender Gone and P. K. Giri “On the Origin and Tunability of Blue and Green Photoluminescence from Chemically Derived Graphene: Hydrogenation and Oxygenation Studies” (Carbon 2015, 95,228-238, IF: 11.307)

4. Ravi K. Biroju, Nikhil Tilak, Rajender Gone, Dhara. S and P. K. Giri “Catalyst free growth of ZnO nanowires on graphene and graphene oxide and its enhanced photoluminescence and photoresponse” (Nanotechnology 2015, 26, (14), 145601, IF: 3.953)

3. Ravi K. Biroju and P. K. Giri, Defect Enhanced Efficient Physical Functionalization of Graphene with Gold Nanoparticles Probed by Resonance Raman Spectroscopy. (J. Phys. Chem. C 2014, 118 (25),13833-13843, IF: 4.177)

2. Ravi K. Biroju and P. K. Giri; Dhara, S.; Imakita, K.; Fujii, M. Graphene-Assisted Controlled Growth of Highly Aligned ZnO Nanorods and Nanoribbons: Growth Mechanism and Photoluminescence Properties. (ACS Appl. Mater. Interfaces 2013, 6 (1),377-387, IF: 10.383)

1. Ravi K. Biroju and P. K. Giri, Controlled fabrication of graphene ZnO nanorod, nanowire and nanoribbon hybrid nanostructures. (J.Nanosci. Lett. 2013, 4, 34)

Book Chapter/Monograph

1. Tharangattu N. Narayanan, Ravi K. Biroju, and Thazhe Veettil Vineesh

“New Advances in 2D Electrochemistry- Catalysis & Sensing”

(Advanced 2D Materials – Production, Characterization and Applications 2018)

Patents

MODULAR CONVERTIBLE CATALYTIC CELL, Application No.: 202241066571, Filed Date: 22-11-2022, Applicant: CBIT, Hyderabad, Inventors: Dr. Marepally Bhanu Chandra, Mr Venumbaka Maneesh Reddy, Dr Abhishek Kumar Shrivastava, Dr Ravi K. Biroju

Brief: The catalytic cell, is a re-configurable as a photo-electro-catalytic (PEC) cell, a Photocatalytic (PC) cell or an Electrocatalytic (EC) cell by swapping the components. The same cell can be used in Gas Phase and Liquid Phase configurations.In addition, the system caters to in-situ swappable electrodes during the reaction.

Conferences Presentations

Ravi K. Biroju, Dipak Maity, Mirhir Ranjan Sahoo, Viliam Vretenar, Lubomir Vanco, Tharangattu N. Narayanan, Saroj Kumar Nayak "Persistent Photoconductivity and Photo(electro)catalysis from Engineered Transition Metal Dichalcogenide Atomic Layers" European Material Research Society (E-MRS) Spring Meeting, May 25-30, 2025, Strasbourg Convention Centre, Strasbourg, France.
Ravi K. Biroju, Dipak Maity, Viliam Vretenar, Lubomir Vanco, Mihir Ranjan Sahoo, Tharangattu N. Narayanan "A New Purification Strategy of 2D MoS2(1-x)Se2x Alloys for Fabrication of Efficient Photodetectors and Photo(electro)catalysts” GRAPHENE 2025, June 25-29, San-Sabastian, Spain.
MCAA Annual Conference & General Assembly 2025, which took place in Krakow, Poland and online on March 21–22, 2025.
Invited Talk : "Engineered Layered 2D Transition Metal Dichalcogenides for Catalysis and Energy Harvesting" International Conference on Emerging Advanced Nanomaterials 2024 (ICEAN-2024), Newcastle Exhibition and Convention Center, Newcastle, NSW, Australia, from November 4-8, 2024.
Invited Talk : "Engineered Layered 2D Semiconductors and Energy Harvesting" ICFM 2024 Conference, Materials Science Centre, IIT Kharagpur, India, from 9-11 January 2024.
Invited Talk (Online): "Exploring Low Dimensional Materials using Microscopic and Spectroscopic Techniques at Atomic Scale" An online self-sponsored short-term certificate course on “Nanoinformatics for Biomedical Applications (NBA-2021)” is organised by the Indian Institute of Information Technology Allahabad (IIIT-Allahabad) from 27-29th August, 2021.
Ravi K. Biroju, Rahul Sharma, Krishna Rani Sahoo, Balakrishna Ananthoju, Tharangattu N. Narayanan, Robert A. W. Dryfe and Wolfgang Theis "Engineered van der Waals 2D Materials for Photocatalysis " CTMSE 2019, July 18-20, S. N. Bose National Centre for Basic Sciences, Kolkata, India.
Ravi K. Biroju, Rahul Sharma, Alexander J. Pattison, Balakrishna Ananthoju, Robert A.W. Dryfe, Tharangattu N. Narayanan and Wolfgang Theis "Exploring Atomic Layers for Photocatalysis" NanoSpain 2019, May 28-31, Parc Cientific de Barcelona, Universitat of Barcelona, Barcelona, Spain.
Ravi K. Biroju, Rahul Sharma, Daniel Escalera Lopez, T. N. Narayanan, Neil V. Rees and Wolfgang Theis “Engineered Two Dimensional Nanomaterials for Energy and Catalysis” Postdoctoral Researcher Conference (EPS & LES), June 20, 2018, Nicolson Building, University of Birmingham, UK.
Ravi K. Biroju, T. N. Narayanan and Wolfgang Theis “Physical Vapour Deposited Large Area Fluorographene Films” UK- China 2D Materials Conference, January 24-25, 2018, National Graphene Institute (NGI), University of Manchester, Manchester, UK.
Ravi K. Biroju and T. N. Narayanan “Visible Light Photo-electrocatalytic Activities of CVD grown Graphene-MoS2 van der Waals Solids” Division of Chemical Sciences, DCS Annual Talks, December 19-21, 2016, Tata Institute of Fundamental Research, Mumbai.
Ravi K. Biroju and P K Giri, “High Resolution Electron Microscopy and Raman Imaging of Graphene-Plasmonic Interfaces”, Microscopy Conference (MC 2015), Sept 6-11, 2015, Gottingen, Germany.
Ravi K. Biroju and P. K. Giri “Efficient Physical Functionalization of Graphene and Graphene Oxide for Photocatalytic and Photoconductive Applications” 6th International Conference on Advanced Nanomaterials (ANM- 2015), July 20-22, 2015, Aveiro, Portugal.
Gone Rajender, Ravi K. Biroju and P. K. Giri, “On the Origin of Strong Blue and Green Emission from Edge Functionalized Graphene Quantum Dots”, 6th International Conference on Advanced Nanomaterials (ANM-2015), July 20-22, 2015, Aveiro, Portugal.
Ravi K. Biroju and P. K. Giri “Graphene Based 2D-0D Transition Metal Hybrids and Fabrication of 2D-1D Semiconducting Nanowire Heterostructures with Improved Optoelectronic Properties: A New Class of 2D-1D Hybrid Photodetectors”, Reflux-2015, The annual Chemical Engineering Symposium, Organized by Department of Chemical Engineering, IIT Guwahati, India, March 27-29, 2015.
Ravi K. Biroju and P. K. Giri, “Graphene enhanced UV photodetector based on graphene-ZnO nanowires hybrid: fabrication, photoresponse and photoluminescence studies”, First International Conference on Emerging Materials: Characterization and Application (EMCA-2014), December 4-6th, 2014, Kolkata, India.
Ravi K. Biroju and P. K. Giri “Fabrication of graphene/ZnO and graphene/CoPc semiconducting nanowire hybrid structures and their optoelectronic properties”, International Conference on Nanoscience and Technology (ICONSAT-2014), Institute of Nanoscience and Technology (INST), Punjab University, Mohali, March 23-25, 2014.
P. K. Giri and Ravi K. Biroju, “Site Selective Physical Functionalization of Single Layer Graphene and Its Application in the Growth of 1-D Semiconductor Nanostructures on Graphene” First International Conference on Emerging Materials: Characterization & Application (EMCA-2014), CGCRI, Kolkata, Dec 4-6, 2014.
Gone Rajender, Ravi K. Biroju and P. K. Giri, “Effect of reduction and oxidation treatment on the photoluminescence of edge functionalized graphene quantum dots”, First International Conference on Emerging Materials: Characterization and Application (EMCA-2014), December 4-6, 2014, Kolkata, India.
Gone Rajender, Ravi K. Biroju and P. K. Giri, “Strong visible luminescence from edge functionalized 0-dimenstional graphene quantum dots”, National Conference on Transport properties in low dimensional systems: Experiment and Simulation (TransLES-2014), December 11-13, 2014, Guwahati, India.
Gone Rajender, Ravi K. Biroju and P. K. Giri," One step solvothermal synthesis of graphene quantum dots: structural and optical studies", National Conference on Nanotechnology and Renewable Energy (NCNRE-2014), April 28-29, 2014, New Delhi, India.
Ravi K. Biroju and P. K. Giri “Controlled Fabrication of Graphene-ZnO Nanorod, Nanowire and Nanoribbon Hybrid Nanostructures”, International Conference on Nanotechnology Oct 23-25, (ICNT-2013), Haldia, Haldia Institute of Technology, Kolkata, India.
Ravi K. Biroju and P. K. Giri “Improved surface enhanced Raman scattering from copper nanoparticle decorated graphene layer” 6th India Singapore Joint Physics symposium (ISJPS-2013) on Physics and Advanced Materials, February23-25, IIT Karaghpur, India.
Ravi K. Biroju and P. K. Giri “Comparative Studies of Graphene, reduced graphene oxide and Graphene Oxide nano ribbons by Raman spectroscopy” 21st International Symposium on Processing and Fabrication of Advanced materials (PFAMXXI-2012), December 10-13 2012, IIT Guwahati, Assam, India.
Ravi K. Biroju and P. K. Giri “High quality, large area monolayer graphene synthesized by catalytic chemical vapor deposition for optoelectronic Applications”4th International Conference on Advance Nano materials (ANM-2012), Oct17-19, 2012, IIT Madras, Chennai, India.
Ravi K. Biroju and P. K. Giri, “High quality few layer graphene synthesized by catalytic chemical vapor deposition” 21st International Symposium on Processing and Fabrication of Advanced materials (PFAMXXI-2012), December 10-13, 2012, IIT Guwahati, Assam, India.
Ravi K. Biroju and P. K. Giri, “Effect of purity and excitation energy on intermediate frequency Raman modes of Single-Walled Carbon Nanotubes” International Conference on Nanoscience and Technology (ICONSAT-2012), January 20- 23, 2012, Hotel Taj Krishna, Hyderabad, India.
Ravi K. Biroju and P. K. Giri “Excitation wavelength dependence of Raman spectra in single-walled carbon nanotubes with different Purities” 2nd International Conference on Advanced Nano materials and Nanotechnology (ICANN-2011), December 8-10, 2011, IIT Guwahati, Assam, India.

Workshops Attended

1. INUP-2012 “Familiarization work shop on nanofabrication technologies, jointly organized by IISc Bangalore and IIT Guwahati”, September 28-29, 2012, IIT Guwahati, Assam, India.

2. NWNTD-2015 “National Workshop on MEMS/NEMS and Theranostic Devices” Organized by Centre for Excellence in Nanoelectronics & Theranostic Devices under the aegis of Centre for Nanotechnology, IIT Guwahati, India, March 16-17, 2015.

3. Research Conclave from 23rd-26th March, 2015 Organized by the PhD Council of the Students’ Academic Board (SAB), Indian Institute of Technology Guwahati, Assam, India-781039.

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