Prof. Dr. Debesh R. Roy
PROF & HEAD, DEPARTMENT OF PHYSICS, S. V. NATIONAL INSTITUTE OF TECHNOLOGY,
SURAT 395 007, GUJARAT, INDIA
Former Fellow of Hanse-Wissenschaftskolleg, Germany | Fellow of Indian Chemical Society, Kolkata
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Ph.D. 2008 (IIT KHARAGPUR, INDIA)
Roy and Mat & Biophys Group (MBPG) Facts ....
Roy and Mat & Biophys Group (MBPG) Facts ....
Listed as 'World's top 2% scientists (2022-25)' by Stanford Univ & Elsevier
Publ: 163 [SCI 140 (Jnl 126, AIP Proc. 14), Book 03, Chapter 10 etc)
Total citations: 6700+; h-index: 36, i10-index: 78
SERB-DST, GoI projects: 04 (grant: Rs. 85 lac+)
Intl. fellowship project (Germany): 01 (grant: 33.6k eur)
VIDWAN (An MoE, GoI project) Score: 9.8 out of 10
Ph.D. guidance (awarded: 7 ; syn: 1; ongoing: 7); Masters Thesis: 51
Invited/Expert talks: 40 (USA, DE, Israel, Bangkok, IITs, NITs etc)
Events Organized: Int'l (05)/Natl (02) Conf. , FDP/STTP 14
Editorial Board Member: Int'l 03, Nat'l 01
Intl. collaborations: Germany, S. Korea, USA
Research Areas of Interest ....
2D Sensor Materials
2D Thermoelectric Materials
2D Electronics
Cluster Assembled Materials
Molecular Electronics
Quantum Toxicology
Novel Drug Development
DFT, NEGF, MD, BTE
Oxide and Sulfide NPs and their Antimicrobial activity
Popular Talks ......
Quantum Physics & Applications
DFT & Applications
Research Methodology
Latest News ..
Sept 19, 2025: Prof. Roy is included for four consecutive years (2022, 2023, 2024 & 2025) in the 'World's top 2% scientists' list as published by Stanford University, USA & Elsevier, Netherland in the '2021-2024 citation impact' category in 'Chemical Physics' & 'General Physics' sub fields under 'Physics & Astronomy'. [Link]
Sept 16, 2025: Our work on 'Thermoelectrics of 2D Gr-III nitrides' is published in International Journal of Modern Physics B (World Scientific), SCI I.F. 2.8.
Congrats Janvi !
Sept 12, 2025: Our work on 'Antibacterial activity of NiS2 nanoparticles' is accepted in Preparative Biochemistry & Biotechnology (Taylor & Francis), 5 Yr SCI I.F. 2.4.
Congrats Dr Vilas and Dr Sutapa !
August 1, 2025: Congratulations Vishwa for securing job in Frost & Sullivan (India) Pvt. Ltd, Mumbai as Research Associate – Chemicals, Materials & Nutrition!
July 30, 2025: Our work on '2D TM(Pd, Pt) dopec PC3 for NCGs sensing' is published as an invited article Phys. Status Solidi B (Wiley), SCI I.F. 1.8.
Congrats Aditya and Janvi! [Link]
Jun 02, 2025: Our work on 'Green synthesis and antibacterial activity of NiO-ZnO nanocomposites' is published in Preparative Biochemistry & Biotechnology (Taylor & Francis), 5 Yr SCI I.F. 2.4.
Congrats Zainit, Vilas and Vishwa ! [Link]
Feb 22, 2025: Our work on 'Optical and thermoelectric properties of aluminium pnictogens ' is published in Journal of Molecular Graphics and Modelling (Elsevier), SCI I.F. 2.7.
Congrats Dr Pankaj ! [Link]
Feb 13, 2025: Our work on 'Thermoelectrics and transport of 2D group III phosphides ' is accepted in Advanced Materials Technologies (Wiley), SCI I.F. 6.4.
Congrats Janvi and Dr Pankaj !
Nov 30, 2024: Our work on '(MgO)42 nanocluster: A novel UV active magic cluster' is published in Solid State Communications (Elsevier), SCI I.F. 2.1.
Congrats Dr Bijal, Dr Esha & Dr Sutapa ! [Link]
Dec 10, 2024: Our work on '2D GaC3 as promising environmental toxic gas sensor' is published in ACS Applied Electronic Materials (ACS), SCI I.F. 4.4.
Congrats Dr. Pankaj ! [Link]
Nov 25, 2024: Our work on 'Cubic-like A4B4 (A=Be, Mg, Ca; B=O) Clusters' is published in Chemical Physics (Elsevier), SCI IF 2.0.
Congrats Sarthak, Abhishek (MSc), Janvi ! [Link]
Oct 24, 2024: Our work in 2D Materials (IoP) paper on Ca2C MXene monolayer as a superior anode for metal-ion batteries is recognized with 'Top 1% citation Award 2024' for citations during 2021-2023, by Institute of Physics (IoP).
Congrats Dr. Kaptan (KAIST, ROK) & Dr. Vipin (TU Darmstadt, Germany) for your wonderful contributions! [Link]
Oct 1, 2024: Our work on 'Cadmium chalcogenides clusters CdnXm' is published in Chemical Physics (Elsevier), SCI IF 2.0.
Congrats Deep (MSc), Janvi and Sarthak ! [Link]
Sept 16, 2024: Dr. Roy is included for three consecutive years (2022, 2023 & 2024) in the 'World's top 2% scientists' list as published by Stanford University, USA & Elsevier, Netherland in the '2021-2023 citation impact' category in 'Physics & Astronomy' field & 'Chemical Physics' sub field. [Link]
August 28, 2023: Our collaborative work on 'Layered Na-Mn oxides for removal of toxic NO2 gas' is published in Separation and Purification Technology (Elsevier), SCI IF 8.1.
Congrats Dr Kaptan and Dr Bijal ! [Link]
Aug 15, 2024: Our work on 'Thermoelectrics and sensing properties of monolayer AlC3 is accepted in Langmuir (ACS), SCI IF 3.7.
Congrats Dr Pankaj !
July 31, 2024: Our work on 'Thermoelectrics and optical properties of h-BeTe' is published in Computational Condensed Matter (Elsevier), SCI IF 2.6.
Congrats Ashish (MSc), Janvi and Dr Pankaj ! [Link]
July 5, 2024: Our work on 'Group-III phosphides and arsenides clusters for single molecular devices' is published in ACS Applied Electronic Materials (ACS), SCI I.F. 4.3.
Congrats Janvi and Sarthak ! [Link]
June 28, 2024: Our work on 'Bilayer chromium pnictogenides' is published in Solid State Communications (Elsevier), SCI I.F. 2.1.
Congrats Dr Pankaj, Janvi and Dr Bijal ! [Link]
April 2, 2024: Our work on 'Porphyrin and Co-Porphyrin based sensor device for NCG and SCG ' is published in IEEE Sensor Journal (IEEE Xplore), SCI I.F. 4.3.
Congrats Janvi ! [Link]
April 1, 2024: Our joint expt & theory collaborative work on 'H2S capturing by discarded Zn-MnO2 alkaline batteries is published in Energy Fuels (ACS), SCI IF 5.3.
Congrats Dr Kaptan and Dr Bijal ! [Link]
February 20, 2024: Our joint expt & theory collaborative work on 'Adsorption of SO2 and NO2 over Na0.4MnO2' is published in New Journal of Chemistry (RSC), SCI IF 3.3.
Congrats Dr Kaptan and Bijal ! [Link]
February 10-11, 2024: Dr. Roy has contributed as one of the Coordinators (संयोजक) in 'राष्ट्रीय शशक्षा नीशत २०२० (NEP-2020) workshop (कार्यशाला) organized by SVNIT Surat, NIPER Ahmedabad, IITRAM Ahmedabad, GTU Ahmedabad and ECUNT New Delhi. [Link]
December 15, 2024: Our joint expt & theory collaborative work on 'Adsorption of SO2 and NO2 gases over black mass derived from discarded alkaline batteries is published in Energy Fuels (ACS), SCI IF 5.3.
Congrats Dr Kaptan and Bijal ! [Link]
September 23, 2023: Our collaborative work on 'Adsorption of NO2 over the NaCoO2–Co3O4 nanocomposite ' is published in New Journal of Chemistry (RSC), SCI IF 3.3.
Congrats Dr Kaptan and Bijal ! [Link]
September 19, 2023: Our collaborative work on 'Reactivity of various gases on Li2MnO3 surface' is published in New Journal of Chemistry (RSC), SCI IF 3.3.
Congrats Dr Kaptan and Bijal ! [Link]
August 13, 2023: Our work on 'Thermoelectrics of 2D magnesium chalcogenides' is accepted in Computational Condensed Matter (Elsevier), SCI IF 2.1.
Congrats Pankaj ! [Link]
July 18, 2023: Dr. Roy delivered an Invited Talk in 'Intl. Conf. on Development of Nanocrystal Materials through Computational Modelling', July 17-19, 2023 at Technion-Israel Institute of Technology in Haifa, Israel. [Link]
June 07, 2023: Our work on 'Thermoelectric and optical properties of bilayer I-VII compounds' is accepted in Materials Science in Semiconductor Processing (Elsevier), SCI IF 4.644.
Congrats Pankaj ! [Link]
June 05, 2023: Dr. Roy has taken charge of Head of the Department of Physics.
June 01, 2023: Congratulations Bijal for receiving SERB, GoI travel grant award for attending TREX School on QMC with TurboRVB, Italy!
May 19, 2023: Our work on '2D Zinc chalcogenides as thermoelectric materials ' is accepted in Physica Status Solidi B: Basic Solid State Physics (WILEY), SCI IF 1.782.
Congrats Pankaj ! [Link]
May 15, 2023: Congratulations Dr. Pankaj for joining Post Doctoral position in Ariel University, Israel!
April 12, 2023: Congratulations Pankaj for successfully defending his Ph.D. thesis and being Dr. Pankaj Kumar!
April 7, 2023: Our work on '2D alkali carbides as metallic materials ' is published in Computational Condensed Matter (Elsevier), SCI IF 2.1.
Congrats Pankaj ! [Link]
Mar 02-04, 2023: Dr. Roy has served as Jt. Organizing Secretary in International Conference on Systems and Processes in Physics, Chemistry and Biology (ICSPPCB-23), Silchar, Assam University. [Link]
Feb 23, 2023: Congratulations Vilas for successfully defending her Ph.D. thesis and being Dr. Vilas P. Chaudhary!
Jan 17, 2023: Congratulations Vishwa for receiving DST INSPIRE fellowship for her PhD program!
Jan 13, 2023: Our work on '(ZnO)42 nanocluster: A novel visibly active magic quantum dot ' is accepted in Theoretical Chemistry Accounts (Springer), SCI I.F. 2.154.
Congrats Bijal, Dr Esha & Dr Sutapa ! [Link]
Jan 07, 2023: Our work on '2D Alkaline-Earth Carbides as potential Metallic Materials ' is accepted in Journal of Synthetic Metals (Elsevier), SCI I.F. 4.00. [Link]
Congrats Pankaj !
Nov 28, 2022: Our work on 'Optical and Thermoelectric properties of 2D Square Lattice Alkali Halides' is accepted in Journal of Physics and Chemistry of Solids (Elsevier), SCI I.F. 4.383.
Congrats Pankaj ! [Link]
Oct 10, 2022: Dr. Roy is included in the 'World's top 2% scientists' list as published by Stanford University, USA & Elsevier, Netherland in the 'single year (2021) citation impact' category in 'Chemical Physics' sub field. [Link]
Oct 10, 2022: Our work on '2D Be2C sensor for environmental toxic gases' is published in IEEE Sensor Journal (IEEE Xplore), SCI I.F. 4.325. [Link]
Congrats Pankaj and Dr Kaptan!
Sept 30, 2022: Our work on 'developing quantum descriptors for Thiazolyl-thiadiazines as BACE-1 Inhibitors for Alzheimer’s Disease' is published as an Invited Special Issue article in Journal of Physical Organic Chem (Wiley Int'l), SCI I.F. 2.155. [Link]
Congrats Bijal, Sarthak, Dr Bhumika and Dr. Sutapa!
August 30, 2022: Our work on '2D GeBi sensor for environmental toxic gas' is accepted in Applied Surface Science (Elsevier), SCI I.F. 7.392. [Link]
Congrats Dr Vipin!
July 28, 2022: Our work on 'Thermoelectrics of 2D and bulk Be chalcogenides' is published in Chemical Physics (Elsevier), SCI I.F. 2.552. [Link]
Congrats Pankaj and Dr Kaptan!
July 01, 2022: Dr. Roy assumed the responsibility of Associate Dean (Academic) of SVNIT Surat. [Link]
May 02, 2022: Congratulations Dr. Sutapa for joining prestigious fellowship of Hanse-Wissenchaftskolleg - Institute for Advanced Study, Germany for her Term I (May to Sept, 2022) for the project on 'Interaction mechanism between nanostructured metal oxides and biomolecules'. All the very best! [Link]
Mar 16, 2022: Our collaborative work with Mexian group on 'Zirconium-organic framework' is accepted in Journal of Molecular Liquids (Elsevier), SCI I.F. 6.165. [Link]
Congrats Dr Kaptan and team!
Mar 15, 2022: Congratulations Dr. Kaptan for joining KAIST, Korea (QS world rank = 41) for Post Doctoral Research. All the very best!
Mar 04, 2022: Our work on '(ZnO)60: An UV active magic nanocluster' is accepted in Biointerface Research in Applied Chemistry (AMG Trans), SCI indexed. [Link]
Congrats Bijal and Dr Esha!
Feb02, 2022: Our work on 'Transverse transport through nucleobase-pairs of a DNA wire' is accepted in Materials Today Chem (Elsevier Sci) SCI I.F. 8.301. [Link]
Congrats Dr Esha, Prof Ulrich and Prof Frauenheim!
Feb02, 2022: Our work on 'Thermoelectrics and optical properties of 2D Beryllium Chalcogenides' is accepted in J. Phys. Chem. Solids (Elsevier Sci) SCI I.F. 3.995. [Link]
Congrats Pankaj and Dr. Kaptan!
Jan 06, 2022: Our work on 'CZTS NPs and their Antimicrobial properties' is accepted in Journal of the Indian Chemical Society (SCI, Elsevier Sci). [Link]
Congrats Vilas, Dr Sutapa and Prof Chaudhuri !
Dec 13, 2021: Our work on 'Nanoelectronics of group III nitride clusters' is accepted in Materials Today Chem (Elsevier Sci) SCI I.F. 8.301. [Link]
Congrats Dr Kaptan , Bijal, Prof Ulrich and Prof Frauenheim!
Dec 2, 2021: Congrats Dr. Sutapa (Principal Investigator) , Asst. Prof., TICS, UTU for receiving SERB-TARE project grant of Rs. 18, 30, 000/-, and joining in MBPG, DoP of SVNIT for joint experimental & theoretical collaborative proposal on 'nanostructured metal oxide nanoparticles for therapeutic applications' as per SERB-TARE norms.
Nov 2, 2021: Our work on '2D LiF as efficient hydrogen storage material' is published in Applied Surface Science (Elsevier Sci) SCI I.F. 6.707. [Link]
Congrats Pankaj and Kaptan !
Sept 29, 2021: Our work on 'Thermoelectrics of I-VII monolayer alkali halids ' is accepted in Materials Today Communications (Elsevier Sci) SCI I.F. 3.383. [Link]
Congrats Pankaj and Kaptan !
Sept 28, 2021: Our book chapter on 'III-V hexagonal cluster units for graphene-like materials ' is accepted in ELSEVIER.
Congrats Dr Esha !
Sept 5, 2021: Our work on 'Na(OH)2 NPs and their Antimicrobial activity ' is published in Journal of Physics and Chemistry of Solids (Elsevier Sci) SCI I.F. 3.995. [Link]
Congrats Vilas, Kaptan, Dr Sutapa and Prof Chaudhari !
Aug 17, 2021: Congratulations to Kaptan for being 'Dr.' with 12 SCI journal papers (with average IF 5.28), and another 8 are in pipeline. Keep it up and all the best!
July 26, 2021: Our work with our German collaborators on '2D PC3 as a promising NCGs sensor ' is accepted in the prestigious Journal of Hazardous Materials (Elsevier Sci) SCI I.F. 10.588. [Link]
Congrats Kaptan, Dr He and Prof Dr Frauenheim !
July 23, 2021: Our work on 'Antimicrobial activity of Zinc Oxide nanoparticles under joint experimental & DFT study' is accepted in Journal of Cluster Science (Springer) SCI I.F. 3.061.
Congrats Dr Bhumika, Bijal, Vilas, Dr Esha and Prof Sutapa !
May 24, 2021: Ms. Janvi Gajjar has joined in the group as JRF in SERB-CRG project. Welcome Janvi !
May 14, 2021: Dr. Roy's book chapter (#9) with Prof. Chattaraj (IIT KGP) on 'Conceptual density functional theory and aromaticity' in the book 'Aromaticity (1st Ed)' is published by ELSEVIER. [Link]
May 12, 2021: Our work on 'Antimicrobial activity of Magnesium Oxide nanoparticles under joint experimental & DFT study' is accepted in Journal of Cluster Science (Springer) SCI I.F. 3.061. [Link]
Congrats Dr Bhumika, Bijal, Vilas, Dr Esha and Prof Sutapa !
Mar 31, 2021: Our work on 'Strain-induced thermoelectric performance of 2D Si2C3' is accepted in Physica E (Elsevier) SCI I.F. 3.38. [Link]
Congrats Vipin !
Mar 30, 2021: Our work on 'Hydrogen induced tunability in 2D Penta-Pt2N4' is accepted in Phys Chem Chem Phys (RSC) SCI I.F. 3.43. [Link]
Congrats Vipin, Aditya, Siby and Prof Zaeem !
Mar 24, 2021: Dr. Roy has joined in the Editorial Board of Frontiers in Chemistry (SCI IF 5.22) journal. [Link]
Mar 18, 2021: Our work on the 'Ca2C MXene as superior anode for metal ions batteries' is accepted in 2D Materials (IOP) SCI I.F. 7.10. [Link]
Congrats Kaptan, Vipin, Siby and Prof. Zaeem !
Mar 11, 2021: Applications for the position of one Junior Research Fellow (JRF) in the Department of Physics, SVNIT, are invited from the interested and eligible candidates in the research project entitled “Group III-V Inorganic Semiconductor Clusters for Future Nanoelectronics Applications” funded by the SERB-DST, Government of India. [Link]
Mar 05, 2021: Our work on the '2D SiBi as OCGs sensor material' is accepted in ACS Applied Nanomaterials (Am Chem Soc) SCI I.F. 5.09. [Link]
Congrats Vipin and Amreen !
Feb 06, 2021: Congrats Kaptan ! for wining the 1st Prize in the 'Young Researchers Presentation' category at the Virtual International Conference on Physical Sciences (ICPS-2021), SVNIT. Keep it up!
Feb 03, 2021: Our work on the 'Interaction of 2D P2SiS with toxic NCGs for sensor applications' is published in Sensors and Actuators: A. Physical (Elsevier Sci) SCI I.F. 3.40. [Link]
Congrats Vipin, Amreen and Kaptan !
Dec 28, 2020: Dr. Roy has received SERB project under Core Research Grant (CRG) on 'Inorganic Nanoelectronics' of INR 33, 67, 513.
Dec 15, 2020: Congratulations to Bhumika for successfully defending her Ph.D. thesis and being 'Dr.' from 'Ms'.
Nov 03, 2020: Our work on 'Thermoelectrics of BaX (X=O, S, Se & Te)' is published in Physica E (Elsevier) SCI I.F. 3.38. [Link]
Congrats Pankaj and Kaptan !
Oct 24, 2020: Our work on 'Electric field effect on ternary 2D MXC3 [M:X = As:Ge, Sb:Sn and Bi:Pb]' is published in prestigious CARBON (Elsevier Sci) SCI I.F. 9.59. [Link]
Congrats Vipin and Kaptan !
Oct 20, 2020: Our work on 'Strain-induced effects on Penta-MP2 (M=Ni,Pd, Pt) monolayers ' is selected as a HOT article 2020 in Nanoscale Advances (RSC) SCI I.F. 4.55 [Link]
Congrats Vipin !
Oct 11, 2020: Our work on 'Antimicrobial activity of Ciprofloxacin drug capped Ag nanoparticles' is published in Journal of Cluster Science (Springer) SCI I.F. 3.06. [Link]
Congrats Bhumika and Prof Sutapa !
Oct 01, 2020: Our work on '2D Sb2C3 as a promising NCGs sensor ' is published in prestigious Journal of Hazardous Materials (Elsevier Sci) SCI I.F. 10.58.
Congrats Vipin and Dilna ! [Link]
Sept 24, 2020: Dr. Roy has contributed as a resource person in the TEQIP-III sponsored workshop at NIT Rourkela. [Link]
Sept 17, 2020: Our collaborative work with CSM, USA group on 'Newly developed 2D BP sheet for reversible NO2 sensor' is published in ACS Applied Nanomaterials (Am Chem Soc) SCI I.F. 5.09 [Link]
Congrats Vipin and Siby !
Aug 30, 2020: Our work on 'Strain-induced effects on Penta-MP2 (M=Ni,Pd, Pt) monolayers ' is published in Nanoscale Advances (RSC) SCI I.F. 4.55 [Link]
Congrats Vipin !
Aug 15, 2020: Our work on '2D Bi2C3 as a promising NCGs sensor ' is published in Applied Surface Science (Elsevier Sci) SCI I.F. 6.70. [Link]
Congrats Vipin and Kaptan !
June 19, 2020: Our work on '2D CaS/CaSe as NO2 sensor ' is published in Applied Surface Science (Elsevier Sci) SCI I.F. 6.70. [Link]
Congrats Kaptan and Vipin !
June, 2020: HWK 'Fellows 2019' brochure is published. [Link]
Mar 13, 2020: Our work on 'Thermoelectrics of PC3 ' is published in Phys Chem Chem Phys (PCCP) (RSC) SCI I.F. 3.67. [Link]
Congrats Kaptan !
Feb 13, 2020: Our work on 'Thermoelectrics of CaS/CaSe' is published in PHYSICA E (Elsevier Sci) SCI I.F. 3.38. [Link]
Congrats Kaptan !
Jan 11, 2020: Our work on 'Thermoelectrics of Strontium Chalcogenides' is published in PHYSICA E (Elsevier Sci) SCI I.F. 3.38. [Link]
Congrats Kaptan !
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