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Assistant Professor and HoD, Department of Physics
Arunachal University of Studies
Dr. Sagar Bhattarai was born in T.K. Grant (North Guwahati). He is an expert in optoelectronic devices. His research area is Organic Solar Cells, Perovskite Solar Cells, OLED, and III-V semiconductors. He has published more than 20 research papers in various international and national journals till now. He is currently working as an Assistant Professor of Physics at Arunachal University of Studies, Namsai, Arunachal Pradesh (India).
PhD in Physics
Condensed Matter Physis, Computational Physics, III-V Semiconductor
Researchers worldwide have been interested in perovskite solar cells (PSCs) due to their exceptional photovoltaic (PV) performance. The PSCs are the next generation of the PV market as they can produce power with performance that is on par with the best silicon solar cells while costing less than silicon solar cells. The efficiency of PSCs has increased from 3.81% to 25.7% within a decade, demonstrating their immense potential. In this review, the advantages of PSCs and the evolution of efficiency with various configuration are summarized and discussed. The manufacture of PSCs on a large scale and the fabrication of perovskite films are described as well. Despite their advantages, PSCs have encountered numerous problems, including toxicity and degradation in the presence of moisture, oxygen, and UV light. Thus, we emphasize this line added to the difficulties preventing the commercialization of PSCs, as well as the road map towards commercialization are thoroughly examined.
Scopus Publications
Scholar Citations
Scholar h-index
Scholar i10-index
Sagar Bhattarai, K. Deepthi Jayan, Prakash Kanjariya, Pawan Sharma, Ramneet Kaur, Jaya Madan, Mohd Zahid Ansari, Saikh Mohammad Wabaidur, and Rahul Pandey
Elsevier BV
Dheeraj Kumar Dhaked, V.L. Narayanan, Ram Gopal, Omveer Sharma, Sagar Bhattarai, and S.K. Dwivedy
Elsevier BV
Basra Sultana, Abu Bakkar, Okba Saidani, Sagar Bhattarai, Ahmad Irfan, and Md. Ferdous Rahman
Elsevier BV
Gagan Kumar, Babban Kumar Ravidas, Sagar Bhattarai, Mukesh Kumar Roy, and Dip Prakash Samajdar
Elsevier BV
Lalruat Sanga, Celestine Lalengmawia, Zosiamliana Renthlei, Sougaijam Thasana Chanu, Lalhum Hima, Ningthoujam Surajkumar Singh, Andre Yvaz, Sagar Bhattarai, and D.P. Rai
Elsevier BV
Junu Poudel, Sagar Bhattarai, Namita Nath, and Bhaben Tanti
Elsevier BV
Sumit Sagar, Sagar Bhattarai, Jitendra Kumar, Amitesh Kumar, and Samrat Mukhopadhyay
Elsevier BV
Pratap Kumar Dakua, Neravati Nagaraja Kumar, Subbulakshmi Ganesan, Junainah Abd Hamid, M. Ravi Kumar, Suman Saini, Piyus Kumar Pathak, Ahmed Alkhayyat, and Sagar Bhattarai
Springer Science and Business Media LLC
I. Hossain, A. T. Ngoupo, S. Bhattarai, S. P. Challagulla, and S. K. Sharma
Springer Science and Business Media LLC
Qoteyba Aouni, Souhil Kouda, Khalid Mujasam Batoo, Muhammad Farzik Ijaz, Girija Shankar Sahoo, Sagar Bhattarai, P. Sasikumar, and Hichem Bencherif
Elsevier BV
Junu Poudel, Sagar Bhattarai, Ayush Tara, Md. Ferdous Rahman, Namita Nath, and Bhaben Tanti
Springer Science and Business Media LLC
Abhijit Das, Babban Kumar Ravidas, Sagar Bhattarai, Rahul Pandey, Jaya Madan, M. Khalid Hossain, Mukesh Kumar Roy, and D. P. Samajdar
Springer Nature Singapore
Lohnye Tangjang, Anubhab Parashar Gogoi, Hirendra Das, Sagar Bhattarai, and P.K. Kalita
Elsevier BV
Babban Kumar Ravidas, Ajmera Raj Kumar, Azmeera Praveen, Suneet Kumar Agnihotri, Sagar Bhattarai, Rahul Pandey, Jaya Madan, Shailendra Singh, M. Khalid Hossain, Mukesh Kumar Roy,et al.
Elsevier BV
Okba Saidani, Abderrahim Yousfi, Sagar Bhattarai, Md. Rasidul Islame, and Girija Shankar Sahoo
Springer Science and Business Media LLC
Ayush Tara, Ananta Paul, Abhijit Singha, Shivani Gohri, Jaya Madan, Rahul Pandey, Praveen Kumar, Ismail Hossain, and Sagar Bhattarai
Springer Science and Business Media LLC
K. Deepthi Jayan and Sagar Bhattarai
Elsevier BV
Sagar Bhattarai, Mustafa K.A. Mohammed, Ismail Hossain, Pratap Kumar Dakua, Rahul Pandey, and Jaya Madan
Elsevier BV
Omkar Rajendra Lunge, Babban Kumar Ravidas, Sagar Bhattarai, Rahul Pandey, Jaya Madan, Mukesh Kumar Roy, M. Khalid Hossain, and Dip Prakash Samajdar
Elsevier BV
Amrit Kumar Thakur, Soumya Kanti Hazra, Ahmed Mortuza Saleque, Sagar Bhattarai, Jang-Yeon Hwang, and Md Shamim Ahamed
American Chemical Society (ACS)
G. F. Ishraque Toki, M. Khalid Hossain, Rahul Pandey, Sagar Bhattarai, Ahmed M. Tawfeek, Saikh Mohammad, A. M. J. Habib, Nayeem Mahmud, Md. Ferdous Rahman, P. Sasikumar,et al.
Springer Science and Business Media LLC
Okba Saidani, Abderrahim Yousfi, D.P. Samajdar, Xueqing Xu, Taye Biniyam Zemene, Sagar Bhattarai, M Khalid Hossain, and Girija Shankar Sahoo
Elsevier BV
Pratap Kumar Dakua, Youssef Trabelsi, Usen Dudekula, Rajesh Tripathi, Sadanand, Abdelmoumene Laidouci, Amrindra Pal, Deepak Kumar Panda, Rajesh Kumar Misra, and Sagar Bhattarai
Elsevier BV
G.S. Sahoo, S. Bhattarai, E. Feddi, M. Verma, A.N.Z. Rashed, O. Saidani, and G.P. Mishra
Elsevier BV
Dipankar Gogoi, Sagar Bhattarai, and T. D. Das
Springer Science and Business Media LLC