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S

Sagar Bhattarai

indian institute of technology system (iit system)

34H-index
137Paper Count
3.6KCitation Count
Published Papers 39
Publication Date
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Optimizing performance of high-efficiency 2D/3D bilayer inverted perovskite solar cells: A comprehensive analysis
errJournal of Physics and Chemistry of Solids
IF4.9
err2026-07-05
err0
PREAI
errSagar Bhattarai; Shivansh Wahi; Souvik Ghosh; Ananda Sharma; Bhavesh Kanabar; Suhas Ballal; Jajneswar Nanda; Hanen Karamti; Fatemah Farraj Ayed Al-harbi; Abhinav Kumar; Ankit Dilipkumar Oza; Jaya Madan
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Advanced Tuning of Optoelectronic and Structural Parameters in Cs2AgBiI6-Based Lead-Free Perovskite Solar Cells: Toward 28.95% Efficiency
errChemistrySelect
IF2
err2026-05-19
err0
PREAI
errBhattarai, Sagar; Roy, Priyanka; Shrivastav, Nikhil; Dakua, Pratap Kumar; Pandey, Rahul; Madan, Jaya
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Optimizing perovskite solar cell efficiency and stability with dual absorber layers (MAGeI3/MASnI3): a SCAPS-1D simulation study
errMULTISCALE AND MULTIDISCIPLINARY MODELING EXPERIMENTS AND DESIGN
IF2
err2025-11-06
err0
PREAI
errBhattarai, Sagar; Jayan, K. Deepthi; Barman, Pranjal; Kumar, Abhinav; Shcheklein, S. E.; Sharma, Ankit; Sahoo, Girija Shankar
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Unraveling the inherent potential of five different commercially important bamboo as sources of microcrystalline cellulose
errNext Materials
IF0
err2025-11-01
err0
errOAAI
errPoudel, Junu; Bhattarai, Sagar; Kalita, Hemen; Nath, Namita; Tanti, Bhaben
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Harnessing Machine Learning to Revolutionize Perovskite Solar Cells: Optimizing RbTmCl3-Based Photovoltaic Performance
errMaterials Research Bulletin
IF5.7
err2025-08-16
err0
PREAI
errAbderrahim Yousfi; Okba Saidani; Raouf Zerrougui; Tarek Assassi; Sagar Bhattarai; Md. Ferdous Rahman; Girija Shankar Sahoo
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Leveraging machine learning for the design and optimization of environmentally friendly K2CuCrCl6 perovskite solar cells
errmaterials science materials in engineering
IF0
err2025-08-16
err0
PREAI
errAbderrahim Yousfi; Okba Saidani; Yehya Belhadad; Rafik Zouache; Abdelhalim Brahimi; Sagar Bhattarai; Girija Shankar Sahoo
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High-efficiency tandem perovskite-CIGS solar cells: Dual absorber top sub cell with MAGeI3 and Cs2AgBiBr6 for enhanced photovoltaic performance
errinorganic chemistry
IF5.4
err2025-06-29
err0
PREAI
errK. Deepthi Jayan; Sagar Bhattarai
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Investigation of dual absorbers with novel MXene doped perovskite for Extraordinary performance of perovskite solar cells
errJOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
IF4.9
err2025-06-01
err0
PREAI
errBhattarai, Sagar; Jayan, K. Deepthi; Kanjariya, Prakash; Sharma, Pawan; Kaur, Ramneet; Madan, Jaya; Ansari, Mohd Zahid; Wabaidur, Saikh Mohammad; Pandey, Rahul
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Exploring deep learning methods for solar photovoltaic power output forecasting: A review
errRENEWABLE ENERGY FOCUS
IF5.9
err2025-06-01
err0
PREAI
errDhaked, Dheeraj Kumar; Narayanan, V. L.; Gopal, Ram; Sharma, Omveer; Bhattarai, Sagar; Dwivedy, S. K.
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Density functional theory based computation of the optoelectronic properties of double perovskites A2InAgBr6 (A= Na, Cs, Rb, and K) and their performance assessment as absorber for photovoltaic applications
errMATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
IF4.6
err2025-05-01
err0
PREAI
errKumar, Gagan; Ravidas, Babban Kumar; Bhattarai, Sagar; Roy, Mukesh Kumar; Samajdar, Dip Prakash
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Introducing a sustainable strontium-based double perovskite solar cell exceeding 32 % efficiency for advanced solar technology
errJOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
IF4.9
err2025-05-01
err2
PREAI
errSultana, Basra; Bakkar, Abu; Saidani, Okba; Bhattarai, Sagar; Irfan, Ahmad; Rahman, Md. Ferdous
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An exclusive review of microcrystalline cellulose: Structure and applications, and limitations
errMATERIALS TODAY COMMUNICATIONS
IF4.5
err2025-04-01
err0
PREAI
errPoudel, Junu; Bhattarai, Sagar; Nath, Namita; Tanti, Bhaben
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High-efficiency GaAs solar cells with ordered nano-conical frustum arrays for enhanced light trapping and photovoltaic performance
errSOLAR ENERGY
IF6.6
err2025-03-01
err0
PREAI
errSagar, Sumit; Bhattarai, Sagar; Kumar, Jitendra; Kumar, Amitesh; Mukhopadhyay, Samrat
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Integration of SCAPS-1D and density functional theory for the performance evaluation of RbGeI3-based perovskite solar cell
errJOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
IF4.9
err2025-01-01
err2
PREAI
errRavidas, Babban Kumar; Kumar, Ajmera Raj; Praveen, Azmeera; Agnihotri, Suneet Kumar; Bhattarai, Sagar; Pandey, Rahul; Madan, Jaya; Singh, Shailendra; Hossain, M. Khalid; Roy, Mukesh Kumar; Samajdar, Dip Prakash
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Achieving Quasi-Fermi level splitting near its radiative limit in efficient and stable 2D/3D perovskite solar Cells: Detailed balance model
errSOLAR ENERGY
IF6.6
err2025-01-01
err0
PREAI
errAouni, Qoteyba; Kouda, Souhil; Batoo, Khalid Mujasam; Ijaz, Muhammad Farzik; Sahoo, Girija Shankar; Bhattarai, Sagar; Sasikumar, P.; Bencherif, Hichem
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DFT and SCAPS-1D based optimization study of double perovskite Cs2AuBiCl6 solar cells utilizing different charge transport layers
errJOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
IF4.9
err2024-12-01
err5
PREAI
errLunge, Omkar Rajendra; Ravidas, Babban Kumar; Bhattarai, Sagar; Pandey, Rahul; Madan, Jaya; Roy, Mukesh Kumar; Hossain, M. Khalid; Samajdar, Dip Prakash
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Optimization of efficiency of CZTS-based solar cell through exclusive BSF layer engineering method
errJOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
IF4.9
err2024-10-01
err4
PREAI
errDakua, Pratap Kumar; Trabelsi, Youssef; Dudekula, Usen; Tripathi, Rajesh; Sadanand, Abdelmoumene; Laidouci, Abdelmoumene; Pal, Amrindra; Panda, Deepak Kumar; Misra, Rajesh Kumar; Bhattarai, Sagar
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Toward Sustainable Water Solutions: A Review of Nanomaterials for Solar-Driven Water Harvesting
errACS ES&T WATER
IF4.3
err2024-10-01
err2
errOAAI
errThakur, Amrit Kumar; Hazra, Soumya Kanti; Saleque, Ahmed Mortuza; Bhattarai, Sagar; Hwang, Jang-Yeon; Ahamed, Md Shamim
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Revealing the secrets of high performance lead-free CsSnCl3 based perovskite solar cell: A dive into DFT and SCAPS-1D numerical insights
errSOLAR ENERGY MATERIALS AND SOLAR CELLS
IF6.3
err2024-10-01
err2
PREAI
errSaidani, Okba; Yousfi, Abderrahim; Samajdar, D. P.; Xu, Xueqing; Zemene, Taye Biniyam; Bhattarai, Sagar; Hossain, M. Khalid; Sahoo, Girija Shankar
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Efficiency enhancement of hybrid-solar cell by optimizing CuSCN and V2O5 based dual hole transport layer
errSOLAR ENERGY
IF6.6
err2024-06-01
err3
PREAI
errBhattarai, Sagar; Barman, Pranjal; Borah, Anindita; Sarma, Pratiksha; Sikdar, Mrinal Kanti; Sarmah, Pallab; Samajdar, D. P.; Madan, Jaya
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Research Directions

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Co-authors
Cooperation Journals
A
Ahmed Nabih Zaki Rashed
H-index: 73 · Papers: 536
M
M. Khalid Hossain
H-index: 66 · Papers: 397
J
Jang‐Yeon Hwang
H-index: 64 · Papers: 233
M
Mustafa K. A. Mohammed
H-index: 60 · Papers: 239
K
Khalid Mujasam Batoo
H-index: 57 · Papers: 389
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