Dr. Rajesh Lalwani is presently serving as Associate Professor in Department of Applied Physics, Bhilai Institute of Technology, Durg. He received the Doctor’s degree in “Investigation of Structural and Optical Properties of CdS and PbS Doped Materials” in Applied Physics from Chhattisgarh Swami Vivekanand Technical University, Bhilai. He has been actively involved in teaching and research activities for more than 15 years. Earlier he has worked as Assistant Professor of Physics in Govt. Science College, Durg and Govt. College, Kurud during Year 2001-2005. He has published over 25 original research papers in reputed international and national journals & international and national conferences. He is also co-author of book “A text book of Engineering Physics Practical”. He has an excellent academic record. His research interests are in the field of Nano science and Technology, Semiconductor Devices, Solar Cells, Sensors, Thin/Thick Film Technology and Materials Science. He is a leading researcher in thin films and chemical deposition of materials and developed several novel materials for fabricating IR detectors, solar cells, optical sensors, photoconductive materials. He has got a collaborative research project with UGC-DAE Consortium for Scientific research ,Indore as principal investigator. He is named in the panel of reviewers of reputed international journals.
Employee ID | 10133 |
Date of Joining | 17-01-2006 |
Nature of Association | Regular |
Department | Applied Physics |
Designation | Associate Professor |
Educational Qualification | Ph. D. M.Sc. P.G.D.C.A. SET Qualified |
rajeshlalwani12003@yahoo.co.in | |
Contact Number | Extension No. 211, Global Directory No. 8256 |
• Nanotechnology • Thin Film Materials • Material Science
- R. Das and Rajesh Kumar, Compositional Effect on Optical Characteristics of Solution Grown (Cd1-XSnx)S Thin Films, J. Mater. Sci. (Springer), 43 (2008) 5972-5976.
- R. Das and Rajesh Kumar, Effect of Annealing and Composition on Crystal Structure, Surface Morphology and Optical Absorption of Chemically Deposited (Cd1-XSnx)S Films, Cryst. Res. Techn. (Wiley), 45(7) (2010)725-731.
- R. Das and Rajesh Kumar, Preparation Of Nanocrystalline PbS Thin Films and Effect of Sn Doping and Annealing on Their Structural and Optical Properties, Mater. Res. Bull. (Elsevier), 47(2012)239-246.
- R. Das and Rajesh Kumar, Structural, Photoluminescence and Optical Properties of Chemically Deposited (Cd1-XBix)S Thin Films as a Function of Dopant Concentration, J. Mater. Sci. Mater. Electronics (Springer), 24(2013)697-703.
- Rajesh Kumar, R. Das, Mukul Gupta and V. Ganesan, Compositional Effect of Antimony on Structural, Optical, and Photoluminescence Properties of Chemically Deposited (Cd1-XSbx)S Thin Films, Superlattices and Microstructures (Elsevier), 59(2013)29-37.
- Rajesh Kumar, Prashant Kumar Sahu, R. Das and Samit Tiwari, Synthesis and Structural Properties of Nanocrystalline (Pb1-xBix)S Thin Films, Advances in Physics theories and applications, 19 (2013) 101-104.
- Rajesh Kumar and R.Das, Optical and Electrical Characterization of Nanocrystalline (Pb1-xBix)S Thin Films Deposited at Room Temprature, IOSR Journal of Applied Physics, (2014)07-10.
- Rajesh Kumar, R. Das, Mukul Gupta, and V. Ganesan, Preparation of Nanocrystalline Sb doped PbS Thin Films and Their Structural, Optical and Electrical Characterization, Superlattices and Microstructures (Elsevier) 75(2014)601-612.
- Rajesh Kumar, R.Das, Brijlata Sharma, Preparation and Optical properties of CdS Thin Films with Variation of Ammonia Solution, Int. J. of Advanced and Innovative Research, 3:1(2014) 180-183.
- Rajesh Lalwani, Brijlata Sharma, and R. Das, Synthesis and Photoconductivity Studies of CdS Thin Films Prepared By Chemical Bath Deposition Method, Int. J. Advan. Engg. Res. and Studies, (2015) 278-279.
- R. Das, Suman, Pandey, Rajesh Lalwani, Preparation of CdS Thin Films By Varying Triethanolamine and Their Structural, Optical and Electrical Characterization, Int. J. Advan. Engg. Res. and Studies, (2015) 285-290.
- Rajesh Lalwani, R. Das, Preparation and Determination Of Optical Constants Of Nanocrystalline PbS Thin Films, OCTOBER 28-29, 2015, pp 24-28.
- Anjali Oudhia, Savita Sharma, Pragya Kulkarni, and Rajesh Kumar, Blue emitting ZnO Nanostructures Grown Through Cellulose Bio-templates, Luminescence (Wiley), (2015).
- A. Oudhia, N. Shukla, P. Bose, R. Lalwani, A. Choudhary, Effect of various synthesis protocols on doping profile of ZnO:Eu Nanowires, Nano-Structures & Nano-Objects (Elsevier) 7 (2016) 69–74
- Prashant K. Sahu, Ruby Das, Rajesh Lalwani, Preparation of nanocrystalline Mg doped CdSe thin films and their optical, photoluminescence, electrical and structural Characterization, J Mater Sci: Mater Electron (Springer), 28 (2017) 18296-18306.
- Prashant K. Sahu, Ruby Das, Rajesh Lalwani, Incorporation of tin in nanocrystalline CdSe thin films:a detailed study of optoelectronic and microstructural properties, Applied Physics A (2018)124:665.
- Vijita Diwan, Santosh Kumar Sar, Supriya Biswas, RajeshLalwani, Adsorptive extraction of uranium (VI) from aqueous phase by dolomite, Groundwater for Sustainable Development (2020)11:100424.
- Brijlata Sharma, Rajesh Lalwani, Ruby Das, Devi Singh Raghuwanshi, A systematic investigation on structural and optical properties of sol–gel spin coating fabricated CdS nanocrystalline thin films: effect of Ni doping, Journal of Materials Science: Materials in Electronics volume (2021) 32:20903-20911.
- Brijlata Sharma, Rajesh Lalwani, Ruby Das, A comprehensive study of structural, optical and electrical properties of Cu doped CdS nanocrystalline thin films: for optoelectronic applications, Journal of Materials Science: Materials in Electronics volume (2022) 33: 11601-11612.
- R. Das and Rajesh Kumar, Effect of annealing on surface morphology and optical properties of chemically deposited (Cd1-xSnx)S films, CSVTU Research Journal 03(01)(2010) 8-12 .
- Rajesh Lalwani, and R. Das, Preparation and Characterization of Nanocrystalline Ho Doped CdS Thin Films, CSVTU Journal of Advanced materials Engineering, 7(2014) 13- 18.
- Rajesh Kumar, Synthesis and Structural Properties of Nanocrystalline (Pb1-xBix)S Thin Films, Truba Institute of Engineering & Information Technology, Bhopal, 26-28 April 2013.
- Rajesh Kumar, Optical and Electrical Characterization of Nanocrystalline (Pb1-xBix)S thin films deposited at room temperature, International Conference on Advances in Engineering and technology, Anjuman College of Engineering, Nagpur 8-9 Jan 2014.
- Rajesh Lalwani, The synthesis, structural, optical and photoconductivity properties of nanocrystalline Ho doped CdS thin films, International Young Science Congress, Ganpat university, Mehsana, 8-9 May 2017.
- Rajesh Kumar and R. Das, Studies on optical characteristics of chemically deposited Sn doped thin films, at National conference on “Advances in physics and its application” at BIT, Durg, on 7-8th November 2008.
- Rajesh Kumar, Study of optical properties of CdS:Sn thin films, at 7th CG Young Scientist congress 2009, 28 Feb-01 March 2009, Indira Gandhi Krishi Vishvavidyalaya, Raipur.
- Rajesh Kumar, Study of photoconductivity, surface morphology and optical properties of chemically deposited (Cd1-xSnx)S thin films, 8th CG Young Scientist congress 2010, 09-10 April 2010 at Pr. RSU Raipur.
- Rajesh Kumar, Study of composition and annealing effect on crystal structure, surface morphology and optical properties of chemically deposited Sn doped CdS films, 9th CG Young Scientist congress 2011, 28-01 Feb 2011 at Bastar Vishwavidyalaya, Jagdalpur.
- Rajesh Kumar and R. Das, Studies of composition and annealing effect on crystal structure and optical properties of Sn doped CdS thin films, National conference on Recent trends in physics of solids at Govt. science college Durg, on 11-12 October 2011.
- Rajesh Lalwani, R.Das, and Brijlata Sharna, Chemical Bath Deposition of Cadmium Sulphide Thin Films and Their Optical Properties, National Seminar on Emerging Trends in Physics, at Govt. College, Kurud on 7 September 2015.
International Journals
National Journals
(b). Full length paper in proc. of International / National Conferences
International Conference
National Conference
Other Responsibilities:
List of National/International Workshop/STTP/FDP Attended
S.N.
|
Title |
No. of Days |
Organization |
Duration |
1. |
Nanotechnology |
05 |
RCET, Bhilai |
23-27 June 2008 |
2. |
Recent Trend in Material Science |
05 |
NIT Raipur |
27-31 Dec 2008 |
3. |
Advanced Characterization Techniques |
01 |
IIT Bombay |
7th May 2009 |
4. |
Multifunctional Nanomaterials |
01 |
ITER Bhubaneshwar |
26th November 2011 |
5. |
Intellectual Property right |
02 |
BIT, Durg |
26-27 Feb 2012 |
6. |
Nanoscience & Nanotechnology |
01 |
CCET, Bhilai |
12 March 2012 |
7. |
Engineering Physics |
12 |
BIT, Durg |
8-18 Dec 2016 |
8. |
Scientific Paper writing |
02 |
Ganpat University, Mehsana |
8-9 May 2017
|
9. |
Foundation Course on Human Values and Professional Ethics |
05 |
KDK College of Engineering Nagpur |
18 Dec- 22 Dec 2017 |
10. |
Basics of Special Theory of Relativity |
8 weeks |
IIT, Kanpur |
18 Dec 2018 to 8 March 2019 |
11. |
Basics of Quantum Mechanics |
8 weeks |
IIT, Kanpur |
15 Aug – 18 Nov 2019 |
12. |
Recent Advances in Theoretical and experimental Physics and future perspectives of AICTE New Syllabus |
02 |
BIT, Durg |
30-31st August 2019 |
Experience of Administrative Responsibilities in Academic Institutions:
From |
To |
Administrative Position |
Major responsibility |
Aug 2011 |
June 2017 |
Member, Proctorial Board |
Discipline |
Aug 2020 |
June 2022 |
Member, Proctorial Board |
Discipline |
Sep 2013 |
July 2017 |
Assistant Center Superintendent (Exam) |
Exam Conduction |
Jan 2019 |
July 2019 |
Assistant Center Superintendent (Exam) |
Exam Conduction |
July 2022 |
Till date |
Professor In charge – B.Tech. First Year (Administration) |
Overall administration of B.Tech. First Year |
June 2022 |
Till Date |
Nodal Officer – Digi Locker |
|
Ph.D. Supervision (Awarded/Ongoing):
S. No. |
Scholar’s Name |
Year of Regn. |
Status(Ongoing/Completed) |
1. |
Mrs. Brijlata Sharma |
2018 |
Ongoing |
2 |
Mrs. Seema Gupta |
2021 |
Ongoing |
Books Authored
S. No. |
Name of Book |
Co-authors |
Publisher |
Year of Publication |
1. |
A Textbook of Engineering Physics Practical |
Ruby Das, C S Robinson, Prashant Sahu |
University Science Press, New Delhi (An imprint of Laxmi Publications) |
First Edition 2010 Revised Edition 2016 |
2. |
Structural and Optical Properties of nanocrystalline PbS Thin films |
Ruby Das |
Lambert, Germany |
2017 |
3 |
Applied Physics-I (Hindi Translator) |
|
Khanna Publishing House (By AICTE) |
2021 |
4 |
Physics -Electromagnetic Theory (Hindi Translator) |
|
Khanna Publishing House (By AICTE) |
2021 |
5 |
Physics-Introduction to mechanics (Hindi Translator) |
|
Khanna Publishing House (By AICTE) |
2021 |
6 |
A Textbook of Applied Physics |
Dr. Prashant Kumar Sahu |
Books Clinic |
First Edition 2022 |
Research Project Undertaken/Going on
S. No. |
Name of Research Project |
Co-Investigator |
Funding Agency/Amount |
Status |
1. |
Synthesis and Characterization of Doped Nanocrystalline thin films suitable for sensor application |
Dr. Ruby Das |
UGC-DAE Consortium for Scientific Research, Indore |
Completed |
2. |
A Novel approach to the synthesis of photosensitive nanostructured materials and their characterization for utilization of solar energy in Chhattisgarh |
Dr. D.S. Raghuwanshi Dr. Ruby Das |
TEQIP-III CSVTU, Bhilai |
Completed |
3. |
Development of low cost and high performance polymer gas sensor |
Dr. D.S. Raghuwanshi |
TEQIP-III CSVTU, Bhilai |
Completed |
4 |
Synthesis and Characterization of Nanostructured Metal Nitrides for Perovskite Solar Cells |
|
UGC-DAE Consortium for Scientific Research, Indore |
Ongoing |
Felowship/Awards/Other recognitions:
- Indian Society of Technical Education (ISTE), New Delhi, India.
- Indian Science Congress.
- Luminescence Society of India
- The Society of Innovative Educationalist and Scientific Research Professional Chennai
Sponsored Workshops/STTP Conducted/FDP (Conferences chair/ Convertor/Coordinator/Co-Coordinator):
Sl. No. |
Topic/Title |
Dates |
No. of Days |
Organization/Place |
1. |
Scientific Paper Writing |
15th October 2016 |
01 |
BIT, Durg |
2. |
International Conference on on Recenet Trends in Reneweble Energy and Sustainable Development |
30-31st Jan 2020 |
02 |
BIT, Raipur |
Membership:
Invited talk/ Guest lecture delivered:
No. |
Title of paper presented
|
Title of conference/seminar etc.
|
Date of event
|
Organized by
|
Whether International/National/State/ Regional/University or College level |
1. |
Physics (Beta decay and Gamma Decay) |
Guest Lecture |
20 April 2019 |
Govt. Girls College, Durg |
College Level |
2. |
Superconductivity |
Guest Lecture |
21,22, 23 Nov 2019 |
Govt. Girls College, Durg |
College Level |