Deepali Sarkar

Professor

MSc (IITKgp) PhD (IACS) Postdoctoral Fellow (CSIR RA, IACS)

Condensed Matter Physics

Department of Physics
Gauhati University, Guwahati, 781014
Email: sarkardeepali[at]gauhati[dot]ac[dot]in

 M. Sc. (Physics)

Semester II - Condensed matter Physics Theory 

Semester III - Advance condensed matter physics theory 

Semester IV - Advance Condensed Matter Physics - II and Project dissertation

Pre-Ph. D. course work

1. Teaching some portion on paper IV (Elective - Condensed matter physics) 

 Some broad topics of research

1. Sensing application of conducting polymer nanocomposites

2. Electrical and structural properties of metal, semicondutor nanostructures

3. Biosynthesis of semiconductor nanoparticles

4. Si MEMS heterostructures for photodetection

5. Silicon nano/micro-structures, Silicon nanowire

Projects

Completed two DST projects (One on processing conducting polymer, other on porous silicon based optical device) and one UGC project (In 2016)

Ph. D. awarded (11)

No.   Name            (Currently placed at)

1. Dr. Jolly Bhadra ( Research Assistant in Centre of Advanced Materials                                       (CAM)Qatar University)

2. Dr. Utpala Baishya (Asstt. Professor in Sualkuchi college),

3. Dr. Sulochana Deb (Assistant Prof. Physics, GU),

4. Dr. Uday S. Senapati (Asstt. Prof. Handique girls college, Guwahati),

5. Dr. Shyamal K. Dey (Teacher (PGT), Faculty Higher Sec. school, Guwahati),

6. Dr. Partha P. D. Sharma (Senior Scientific Officer, Forensic Laboratory, Kahilipara, Guwahati),

7. Dr. Bappaditya Pal (PDF Uppsala University Sweden),

8. Dr. Kabita Barua (Teacher at Polytechnique College, Nalbari)

9. Dr. Mintu Das (CSIR Research Associate in CMP laboratory, Department of Physics, Gauhati University)

10. Dr. Mausumi Das (Assistant Professor, Sipajhar College, Assam)

11. Dr. Samarjit Sarmah (Assistant Professor, GLC college. Barpeta)

12. Dr. Ali Akbar

13. Dr. Pranjal Nath 

 

Other members in the group

1. Ms. Jonmoni Rabha (CSIR-UGC NET-JRF) (Pre submission over)

3. Mr. Saponjit Borah (Final Registration over)

 

List of Publications in journals (Current to 2019)

  • Citations – 1412, h-index – 22, i10-index – 32 (Since 2018 - Citations – 834, h-index – 17, i10-index – 24)

 

  1. Effect of temperature on the electrical and optical properties of silver (Ag) assisted electrochemically etched silicon nanowires (SINWs), P. Nath and D. Sarkar, Brazilian Journal of Physics (Springer), 54 (4), 100, 2024 (Impact Factor - 1.6).
  2. MoS2/WS2 nanosheets and quantum dots for sensing hemin and fabrication of selfpowered photodetectors, I. Hazarika, S. Borah, D. Sarkar, S. Bharadwaj and B. Gogoi, ACS Applied Optical Materials (ISSN - 2771-9855), 2 (3), 517-527, 2024.
  3. Electrical properties of polyaniline (PANI) - porous silicon (PS) heterostructure, P. Nath and D. Sarkar, Polymer Bulletin (Springer) 0170-0839 (print); 1436-2449 (web), 81 (3) 2329-2343, 2024 (Impact Factor - 3.2).
  4. Impact of electrolytic sa;t concentration on the morphological, optical, electrical and thermoelectric properties of silver assisted electrochemically etched silicon, P. Nath, N. Bano and D. Sarkar, Current Applied Physics (Elsevier) ISSN - 1567-1730), 55, 53-53, 2023 (Impact Factor 2.856).
  5. Room temperature ammonia sensing of MoS2 2D sheets decorated with polyaniline (PANI), A. Akbar, M. Das and D. Sarkar, Indian J. Pure and Appl. Physics (NISCAIR) (ISSN - 0975-1041), 51 (8), 683-691, 2023 (Impact Factor - 0.7).
  6. Layer dependent pyro-phototronic effect in Al/nanostructured porous silicon multi-layer (PS-ML) UV sensing Schottky photovoltaic device J. Rabha, M Das and Sarkar, Materials Letters (Elsevier) (ISSN – 0167-57X), 347, 134602, 2023 (IF – 3.574)
  7. Ammonia sensing by silicon nanowires (SINWs) obtained through metal assisted electrochemical etching P. Nath, D. Sarkar, Materials Today: Proceedings (Elsevier) (ISSN – 22147853), 57, 224-227, 2022 (Impact score – 1.46).
  8.  Enhanced UV-Visible photoresosponsivity of annealed Al+Au/n-ZnO:p-Si heterojunction self-powered photodiode, S. Sarmah, M. Das B. K. Sarma, D. Sarkar, Materials Letters (Elsevier) (ISSN - 0167-577X), 316, 132040, 2022 (IF – 3.423).
  9.  Ageing mediated silicon suboxide interlayer growth in porous silicon: p-Si heterostructured metal-semiconductor-metal device for enhanced UV-visible photodetection S. Sarmah, M. Das, D. Sarkar, Thin Solid Films (Elsevier), 738, 138962, 2021 (ISSN – 0040-6090, IF – 2.183).
  10. Polyaniline (PANI) – passivated porous silicon (PS) for ammonia detection, P. Nath, M. Das and D. Sarkar, Indian Journal of Physics (Springer) (ISSN – 0973-1458), 95, 2015-2021, 2021 (Cited by 1) (IF – 1.95).
  11. Enhanced UV-visible photo responsivity of annealed Al/porous silicon (PS): p-Si Schottky device, S. Sarmah, M. Das and D. Sarkar, Materials Letters (Elsevier) (ISSN - 0167-577X), 297, 129972, 2021 (Cited by 2) (IF -  3.423).
  12. UV–Visible photo sensing properties of CdS-porous silicon (PS): P-Si and ZnO-PS: p-Si heterostructures metal-semiconductor-metal (MSM) based devices, S. Sarmah, M. Das, D. Sarkar, Materials Today (Elsevier): Proceedings: 46, 6234-6238, 2021 (https://doi.org/10.1016/j.matpr.2020.04.773) (ISSN-2214-7853) (Impact score 1.46).
  13. Distinct and enhanced ultraviolet to visible ZnS-porous silicon (PS):p-Si hybrid metal-semiconductor-metal (MSM) photodetector, M. Das, S. Sarmah, D. Sarkar, Materials Today: Proceedings (Elsevier) 46, 6247-6252, 2021 (https://doi.org/10.1016/j.matpr.2020.04.779) (ISSN-2214-7853) (Impact score 1.46).
  14. Polyvinyl alcohol–silver fractal structured nanodendrites: photochemical synthesis, S. Deb and D. Sarkar, Polymer Bulletin (Springer), 78, 81-91, 2021 (https://doi.org/10.1007/s00289-019-03097-z) (IF – 1.858) (Cited by 2) (ISSN-0170-0839 (print) 1436-2449 (web)).
  15. Room temperature ammonia sensing by CdS nanoparticle decorated polyaniline (PANI) nanorods, Ali Akbar, Mausumi Das and D. Sarkar, Sensors and Actuators A (Elsevier), 310, 112071 (11 pages), 2020 (IF – 2.739) (ISSN-0924-4247) (Cited by 20).
  16. Distinct band UV-Visible photosensing property of ZnO-Porous Silicon (PS):p-Si hybrid MSM heterostructure, M. Das, S. Sarmah, D. Barman, B. K. Sarma and D. Sarkar, Materials Science in Semiconductor Processing (Elsevier), 118, 105188 (10 pages), 2020 (IF – 2.722) (ISSN – 1369-8001) (Cited by 10).
  17. Photosensing property of nanostructured CdS-porous silicon (PS):p-Si based MSM hetero-structure, M. Das, S. Sarmah and D. Sarkar, J. Mater Sci.: Mater. Electron. (Springer) 30, 11239-11249, 2019 (IF-2.195, Cited by 7) (ISSN – 0957-4522). 
  18. ilver ion concentration dependent properties of silver nanostructured nanocomposite films, Sulochana Deb and Deepali Sarkar, J. Optoelectronics and Advanced Materials (Scimago Journal & Country Rank) (ISSN – 1454414), 21, No.3-4, pp. 275-280 (2019) (IF – 0.588, Cited by 1).

 

Facilities & Resources

Facilities
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Some Important Links (Outside GU)