Dr. DEBORAJ  MUCHAHARY

Department Electronics & Telecom. Engineering
Designation Assistant Professor (Gr - I)
Educational Qualification PhD, M. Tech, B. Tech
E-Mail dmuchahary.ece@nitrr.ac.in
Contact Number
Areas of Interest

Silicon and Perovskite solar cell, Photodetctor and LED, Semiconductor devices, VLSI.

Publications

Publication in journals:

  1. K. K. Bommakanti, K. Jadala, D. Muchahary, "Enhancing solar spectrum utilization with led-free Cs2AgBiBr6/CIGS dual-absorber: A TCAD-based numerical study", Solar Energy, Vol. 314, pp. 114721, 2026. (SCI: IF=7.9)
  2. D Muchahary, OP Chandrakar, M Bharadwaj, "Theoretical Exploration of 18.6% Efficient Graded Cs2AgBi1−ySbyBr6 Perovskite Solar Cell Using SCAPS-1D", Journal of Electronic Materials, Vol. 54, Issue. 10, pp. 8718-8731, 2025. (SCI: IF=2.8)
  3. J. Kartheek, V. K. Babu, D. Muchahary, "Exploration of Ruddlesden–Popper 2D perovskite solar cell using machine learning techniques", Modelling and Simulation in Materials Science and Engineering, Vol. 33, Issue. 5, pp. 055008, 2025. (SCI: IF=1.9)
  4. A. Kumar, S. M. Giripunje, M. Bharadwaj, D. Muchahary, "Numerical Simulation Analysis of Two-Terminal Monolithic Perovskite-CIGS Tandem Solar Cell for Enhanced Photovoltaic Performance Using SCAPS-1d", Langmuir ACS, Vol. 41, Issue. 30, pp. 19729-19741, 2025. (SCI: IF=3.9).
  5. J. Kartheek and D. Muchahary, "Exploration of Ruddlesden–Popper 2D perovskite solar cell using machine learning techniques", Modelling and Simulation in Materials Science and Engineering, Vol. 33, Issue. 5, p. 055008, 2025. (SCI)
  6. Jyoti and D. Muchahary, "Numerical analysis of K2CuBiBr6 for enhanced solar cell performance potential", Modelling and Simulation in Materials Science and Engineering, Vol. 33, Issue. 4, p. 045018, 2025. (SCI)
  7. R. Janapaneni and D. Muchahary, "Performance enhancement of FASnI3 perovskite photovoltaic cell through gradient re-arrangement of bulk defect and distinct charge transport layers", Indian Journal of Physics, Vol. 99, Issue. 3, pp. 1021-1031, 2025. (SCI)
  8. D. Muchahary, Jyoti, A. Saxena, M. Bharadwaj, J. Kartheek, "Multidoped CsSnI3 as light absorber in perovskite solar cell delivering 17 % efficiency" Solar Energy 282, 112929, 2024. (SCI: IF=7.9)
  9. E Priyanka, and D Muchahary, "Performance improvement of perovskite/CIGS tandem solar cell using barium stannate charge transport layer and achieving PCE of 39% numerically", Solar Energy 267, 112218, 2024. (SCI: IF=7.9)
  10. S. Bhattarai, J. Madan, R. Pandey, D. P. Samajdar, D. Muchahary, M. Amami, S. Ezzine, M. K. Hossain, "Performance improvement of hybrid-perovskite solar cells with double active layer design using extensive simulation", Energy & Fuels 37 (21), 16893-16903, 2023. (SCI: IF=5.2)
  11. S Bhattarai, R Pandey, J Madan, D Muchahary, D Gogoi, "A novel graded approach for improving the efficiency of Lead-Free perovskite solar cells", Solar Energy 244, 255-263, 2022. (SCI: IF=7.9)
  12. S. Bhattarai; R. Pandey; J. Madan; A. Mhamdi, A. Bouazizi, D. Muchahary, D. Gogoi, A. Sharma and T. D. Das,"Investigation of Carrier Transport Materials for Performance Assessment of Lead-Free Perovskite Solar Cells," IEEE Transaction on Electron Devices, 69 (6), 3217-3224, 2022. (SCI)
  13. D. Muchahary, L. S. Ram, R. Narzary, P. P. Sahu, S. Bhattarai and S. Tayal, “Heterojunction between crystalline silicon and nanocomposite coupled ZnO·SnO2 and optimization of its photovoltaic performance”, Current Applied Physics, Vol. 38, pp. 15-21. 2022. https://doi.org/10.1016/j.cap.2022.02.009  (SCI)
  14. S. Tayal, S. Bhattacharya, J. Ajayan, L. R. Thoutam, D. Muchahary, S. Jadav, B. Krishan and M. Nizamuddin, “Gate-stack optimization of a vertically stacked nanosheet FET for digital/analog/RF applications”, Journal of Computational Electronics, 2022. https://doi.org/10.1007/s10825-022-01864-2 (SCI)
  15. D. Muchahary, and S. Maity, “A qualitative analysis of the impact of P composition in GaAs1-xPx capped InAs/GaAs quantum dot hetero-structure”, Superlattices and Microstructures, 2022. https://doi.org/10.1016/j.spmi.2022.107154  (SCI)
  16. D. Muchahary, K. Priyanka, L. S. Ram, A. Prahitha and S. Kollem, “Performance enhancement through optimization of metal oxide electron transport layer in hybrid solar cell”, Optik, Vol. 248, p.168102, 2021. https://doi.org/10.1016/j.ijleo.2021.168102  (SCI)
  17. S. Kollem, K. R. Reddy, D. S. Rao, C. R. Prasad, V. Malathy, J. Ajayan, and D. Muchahary, “Image denoising for magnetic resonance imaging medical images using improved generalized cross‐validation based on the diffusivity function”, International Journal of Imaging Systems and Technology, 2021. https://doi.org/10.1002/ima.22681 (SCI)
  18. S. Bhattarai, A. Sharma, D. Muchahary, M. Gogoi and T. D. Das, “Carrier transport layer free perovskite solar cell for enhancing the efficiency: A simulation study” Optik, Vol. 243, p.167492, 2021. https://doi.org/10.1016/j.ijleo.2021.167492 (SCI)
  19. S. Tayal, S. Bhattacharya, B. Jena, J. Ajayan, D. Muchahary and P. Singla, “Linearity Performance and Harmonic Distortion Analysis of IGE Junctionless Silicon Nanotube-FET for Wireless Applications”, Silicon, pp. 1-6, 2021. https://doi.org/10.1007/s12633-021-01313-y. (SCI)
  20. S. Bhattarai, A. Sharma, D. Muchahary, D. Gogoi, and T. D. Das, “Numerical simulation study for efficiency enhancement of doubly graded perovskite solar cell”, Optical Materials, Vol. 118, p. 111285, 2021. https://doi.org/10.1016/j.optmat.2021.111285. (SCI)
  21. D. Muchahary, S. Maity and S. K. Metya and B. Basumatary, "A simulation approach to improve photocurrent through a double-layer of the emitter in a-Si1-xCx/c-Si heterojunction solar cell." Superlattices and Microstructures, Vol. 146, pp. 106651, 2020. https://doi.org/10.1016/j.spmi.2020.106651. (SCI)
  22. D. Muchahary, S. Maity and S. K. Metya, “Modeling and analysis of temperature dependent carrier lifetime and surface recombination velocity of Si-ZnO heterojunction thin film solar cell” IET Micro and Nano Lett. Vol. 14, Issue 4, pp. 399-403, 2019. https://doi.org/10.1049/mnl.2018.5147 (SCI)
  23. D. Muchahary, and S. Maity, "High-Efficiency thin film ZnMgO/ZnO solar cell simulation approach: temperature dependency, BSF and efficient small signal analysis," Superlattices and Microstructures, Vol. 109, pp. 209-216, September 2017, doi: 10.1016/j.spmi.2017.05.012. https://doi.org/10.1016/j.spmi.2017.05.012 (SCI)
  24. D. Muchahary, S. Maity, and C. T. Bhunia, “Back surface field approach: Surface and interface defect states optimization of high efficient Si-ZnO based heterojunction solar cell” Journal of Renewable and Sustainable Energy 9, 033504 (2017). https://doi.org/10.1063/1.4990819 (SCI)
  25. S. Maity, D. Muchahary, and P. P. Sahu, “Enhancing Responsivity and Detectivity of Si-ZnO Photodetector with growth of densely packed and aligned hexagonal nanorods” IEEE Transactions on Nanotechnology Vol. 16, Issue. 6, pp. 939-945, 2017. https://doi.org/10.1109/TNANO.2017.2726101 (SCI)
  26. R. R. Das, S. Maity, D. Muchahary, C. T. Bhunia, “Temperature dependent study of Fin-FET drain current through optimization of controlling gate parameters and dielectric material” Superlattices and Microstructures, Vol. 103, pp. 262- 269, March 2017. https://doi.org/10.1016/j.spmi.2017.01.041 (SCI)
  27. B. Basumatary, D. Muchahary, S. Maity, “Improvement of drain current of AlGaN/GaN-HEMT through the modification of negative differential conductance (NDC), current collapse, self-heating, and optimization of double hetero structure” Superlattices and Microstructures, Vol. 97, pp. 606-616, September 2016. https://doi.org/10.1016/j.spmi.2016.07.013  (SCI)

Publication in conferences:

  1. A. Saxena, D. Muchahary and B Acharya, "Investigation of Gate all around Dual Metal gate Silicon Carbide Nanowire Field Effect Transistor for harsh Chemical environment applications", IEEE 6th India Council International Subsections Conference (INDISCON), Rourkela, INDIA, 21-23 August 2025.
  2. M. Bharadwaj, O. P. Chandrakar, D. Muchahary, "Numerical analysis of graphene oxide doped PEDOT as hole selective material in Cs2SnI6 PSC",  IEEE 5th International Conference on Sustainable Energy and Future Electric Transportation (SEFET), Jaipur, INDIA, 09-12 July 2025.
  3. O. P. Chandrakar, D. Muchahary, "Enhanced efficiency of indoor photovoltaic using compositionally graded Cs2AgBi1-xSbxBr6 perovskite",  IEEE 7th International Conference on Energy, Power and Environment (ICEPE), Sohra (Cherrapunjee), India, 09-11 May 2025.
  4. O. P. Chandrakar, M. Bharadwaj, D. Muchahary, "Dual Light Harvester in Perovskite Solar Cell Delivering PCE of 25.86%",  IEEE International Conference on Emerging Technologies and Applications (MPSec ICETA), Gwalior, India,  21-23 February 2025.
  5. Jyoti and D. Muchahary, "Investigation and analysis of 2D perovskite material for Solar cell application” at The 15 th International IEEE Conferenceon Computing, Communication and Networking Technologies (ICCCNT), IIT - Mandi, Himachal Pradesh, India, 2024.
  6. Jyoti and D. Muchahary, "Numerical Study on K2CuBiBr6 Perovskite Solar Cell delivering power conversion efficiency of ~17 %", at 2nd International Conference on Emerging Materials, Smart Manufacturing & Computational Intelligence (ICEMSMCI), Chitkara University, India, 2024.
  7. Sakshi Ganar and D. Muchahary, "Performance Improvement of PEDOT:PSS/c-Si Solar cell through Back Surface Field Material Selection", IEEE 5th INCET 2024, BELGAUM, INDIA, 24th to 26th May, 2024.
  8. D. Muchahary, Amarkant, Jyoti, Sakshi Ganar, "Design and numerical analysis of lead free all perovskite based tandem solar cells with power conversion efficiency > 28 % ", 34th-Photovoltaic Science and Engineering Coference (PVSEC-34), Shenzhen, China, 6th to 10th November, 2023.
  9. P. Chandini, D. Muchahary, A. S. Raghuvanshi, “Analysis of image compression techniques for IoT applications,” IEEE 2nd CONIT 2022 to be held in Hubballi, Karnataka ,India from 24th to 26th June, 2022. 
  10. D. Muchahary, A. J. Mondal, A. Majumder, “A CORDIC based Design Technique for Efficient Computation of DCT,” in IEEE International Conference ICCSP, pp. 0484- 0489, 2015.
  11. D. Muchahary, A. J. Mondal, R. S. Parmar, A. D. Borah, A. Majumder, “A Simplified Design Approach for Efficient Computation of DCT,” in IEEE International Conference CSNT, pp. 483-487, 2015.
  12. A. D. Borah, A. J. Mondal, D. Muchahary, A. Majumder, “FIR Low Pass filter design using Craziness Base Particle Swarm Optimization Technique” in IEEE International Conference ICCSP, pp. 0870-0874, 2015.

 

Book chapter:

1. Deboraj Muchahary, 'Fundamentals of Perovskite Solar Cell and Its Tandem' in book name: Perovskite Solar Cells, CRC Press, eISBN: 9781003478027, 14th November 2025.

2. Deboraj Muchahary, Sagar Bhattarai, Arvind Sharma, Ajay Kumar Mahato, 'Fundamental Physics of Light Emitting Diodes: Organic and Inorganic Technology,' in book: Organic and Inorganic Light Emitting Diodes, CRC Press, eISBN: 9781003340577, 2023.

3. Deboraj Muchahary, Sagar Bhattarai, Ajay Kumar Mahato and Santanu Maity ‘A brief on emerging materials and its photovoltaic application’ in book: Emerging Materials: Design, Characterization and Applications, Springer, ISBN: 978-981-19-1311-2, 2022.

 

Other Info.

Externally funded research.

1. Project title: SolCycle funded by DST-CEST GoI (Role: PI; 2025 Onwards; Amount: 201 Lakh)

2. Project title: "Empowering PV revolution through a detailed study of perovskite/c-Si tunnel oxide passivated contact (TopCON) tandem solar cell.", funded by SERB GoI (Role:PI; 2024 Onwards; Amount : 22.22 Lakh).

3. Project title: “Inclusive Fintech- Bridging The Gap in Communities through Order Financing” funded by IBITF of IIT Bhilai (Role: PI; 2023 Onwards; Amount : 25 Lakh).

4. Project title: "Large scale production of energy from organic solar cell for the utilization in underwater surveillance." funded by TIH of IIT Guwahati (Role: Co-PI; 2023 Onwards; Amount : 19 Lakh).

 

Work experiences:

  1. May 2026 to till date, Assistant Professor (Gr -I) at National Institute of Technology, Raipur, Chhattisgarh, India.
  2. August 2021 to May 2026, Assistant Professor (Gr -II) at National Institute of Technology, Raipur, Chhattisgarh, India.
  3. December 2019 to July 2021, Assistant Professor at SR University, Warangal, Telangana India.

FDPs conducted:

1.  A 10 days online FDP titled: "Advancement in Nanoelectronics, Energy Conversion and StorageTechnology: Design, Fabrication Methodologies and Applications” , organized during 14th May 2025 to 25th May 2025, with support of the Dept. of ECE, E&ICT Academy (SPOKE) NIT Raipur in collaboration with E&ICT Academy NIT Warangal, India. Funded by MietY, GoI.

Expert Talk/Chairs:

  1. Expert talk on "Perovskite materials and its photovoltaic applications", at 10 Day (14th May 2025 to 25th May 2025) faculty development program under the theme "Advancement in Nanoelectronics, Energy Conversion and StorageTechnology: Design, Fabrication Methodologies and Applications” , organized by Dept. of ECE, E&ICT Academy (SPOKE) NIT Raipur in collaboration with E&ICT Academy NIT Warangal, India.
  2. Expert talk on "Perovskite materials and assessment of its photovoltaic performance using SCAPS 1D", at 5 Day (1st April 2024 to 5th April 2024) faculty development program under the theme " Exploring the modern Circuits, Devices, and Systems Designs in Nanotechnology” , organized by Vellore Institute of Technology, Chennai, India.
  3. Expert talk on “Recent trends in emerging solar energy materials and solar cells” at 5 Day (from 3rd to 7th January 2022.) faculty development program under the theme “Next Generation materials and devices” organized by the SR University, Telangana, India.

 

Teaching subjects:

B. Tech:  Optoelectronics components and Devices (Open Elective theory, CREDIT: 3)

               Linear Integrated Circuits and Applications (Theory, CREDIT: 3)

              Linear Integrated Circuits and Applications Lab(Practical, CREDIT:1)

               Digital Logic design Lab(Practical, CREDIT:1)

               VLSI Digital (Practical, CREDIT:1)

M. Tech: Advanced VLSI Design (Theory, CREDIT: 4)

               VLSI System Design (Theory, CREDIT: 4)

 

Administrative/Departmental Responsibilities:

  1. Member of purchase commitee NITRR-FIE, NIT Raipur.
  2. NBA Data coordinator.
  3. Member of Anti-Ragging squad.
  4. Faculty In-Charge Training and Placement of Electronics and Communication Engineering.
  5. Faculty In-Charge departmental association of students of Electronics and Communication Engineering.
  6. Faculty advisor of B. Tech 2020 - 2024 batch of Electronics and Communication Engineering.
  7. Other: such as document verification of newly admitted students to ECE.