Search Results - "Bista, Sandip Singh"

Dithieno[3,2‐b:2′,3′‐d]pyrrole Cored p‐Type Semiconductors Enabling 20 % Efficiency Dopant‐Free Perovskite Solar Cells by Zhou, Jie, Yin, Xinxing, Dong, Zihao, Ali, Amjad, Song, Zhaoning, Shrestha, Niraj, Bista, Sandip Singh, Bao, Qinye, Ellingson, Randy J., Yan, Yanfa, Tang, Weihua

“…Organic p‐type semiconductors with tunable structures offer great opportunities for hybrid perovskite solar cells (PVSCs). We report herein two…”
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Arylammonium-Assisted Reduction of the Open-Circuit Voltage Deficit in Wide-Bandgap Perovskite Solar Cells: The Role of Suppressed Ion Migration by Chen, Cong, Song, Zhaoning, Xiao, Chuanxiao, Awni, Rasha A, Yao, Canglang, Shrestha, Niraj, Li, Chongwen, Bista, Sandip Singh, Zhang, Yi, Chen, Lei, Ellingson, Randy J, Jiang, Chun-Sheng, Al-Jassim, Mowafak, Fang, Guojia, Yan, Yanfa

“…Surface treatment using large alkyl/aryl ammonium cations has demonstrated reduced open-circuit voltage (V OC) deficits in perovskite solar cells (PSCs), but…”
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Efficient Cd(Se, Te) Solar Cells with Cd(O, S, Se, Te) at the Front Interface by Li, Dengbing, Neupane, Sabin, Bista, Sandip Singh, Abudulimu, Abasi, Subedi, Kamala Khanal, Jamarkattel, Manoj K., Xiao, Chuanxiao, Jiang, Chun-Sheng, Poplawsky, Jonathan D., Cullen, David A., Phillips, Adam B., Heben, Michael J., Ellingson, Randy J., Yan, Yanfa

“…Cadmium sulfur selenide (Cd(S, Se)) at the front interface has been demonstrated to be a deleterious photo-inactive region in Cd(Se, Te) solar cells, which…”
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Dithieno[3,2‐b:2′,3′‐d]pyrrol‐Cored Hole Transport Material Enabling Over 21% Efficiency Dopant‐Free Perovskite Solar Cells by Yin, Xinxing, Zhou, Jie, Song, Zhaoning, Dong, Zihao, Bao, Qinye, Shrestha, Niraj, Bista, Sandip Singh, Ellingson, Randy J., Yan, Yanfa, Tang, Weihua

“…Dopant‐free hole transport materials (HTMs) are essential for commercialization of perovskite solar cells (PSCs). However, power conversion efficiencies (PCEs)…”
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Correlating Hysteresis and Stability with Organic Cation Composition in the Two-Step Solution-Processed Perovskite Solar Cells by Cui, Yunkang, Chen, Cong, Li, Chongwen, Chen, Lei, Bista, Sandip Singh, Liu, Xiangyang, Li, You, Awni, Rasha A, Song, Zhaoning, Yan, Yanfa

“…The two-step solution-based process has demonstrated substantial success in fabricating high-efficiency perovskite solar cells in recent years. Despite the…”
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Buffer/absorber interface recombination reduction and improvement of back-contact barrier height in CdTe solar cells by Paul, Sanjoy, Swartz, Craig, Sohal, Sandeep, Grice, Corey, Bista, Sandip Singh, Li, Deng-Bing, Yan, Yanfa, Holtz, Mark, Li, Jian V.

“…Electronic properties of a CdTe solar cell are reported using temperature-dependent capacitance spectroscopy and current-voltage characteristics, the latter in…”
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Optical Properties of Bacteriorhodopsin–Gold Bionano Interfaces by Das, Subhabrata, Citra Asmara, Teguh, Patra, Abhirup, Song, Zhaoning, Bista, Sandip Singh, Somasundaran, Ponisseril, Rusydi, Andrivo, Barbiellini, Bernardo, Venkatesan, Renugopalakrishnan

“…Monolayers of different mutants of bacteriorhodopsin (bR) with purple membranes are deposited on gold (Au) substrates. Optical measurements and density…”
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Performance Improvement of Rigid and Flexible CdTe Solar Cells Through CdCl2 Activation and Cu Engineering by Bista, Sandip Singh

“…Cadmium telluride (CdTe) is a leading thin-film solar cell technology that achieved 22.1% small cell and 19% module efficiency. While for flexible CdTe solar…”
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Dithienopyrrole Cored p‐Type Semiconductors Enabling 20% Efficiency Dopant‐Free Perovskite Solar Cells by Zhou, Jie, Yin, Xinxing, Dong, Zihao, Ali, Amjad, Song, Zhaoning, Shrestha, Niraj, Sandip Singh Bista, Bao, Qinye, Ellingson, Randy J, Yanfa Yan, Tang, Weihua

“…Organic p‐type semiconductors with tunable structures offer great opportunities for hybrid perovskite solar cells (PVSCs). We report herein two…”
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Dithienopyrrol‐Cored Hole Transport Material Enabling Over 21% Efficiency Dopant‐Free Perovskite Solar Cells by Yin, Xinxing, Zhou, Jie, Song, Zhaoning, Dong, Zihao, Bao, Qinye, Shrestha, Niraj, Sandip Singh Bista, Ellingson, Randy J, Yanfa Yan, Tang, Weihua

“…Dopant‐free hole transport materials (HTMs) are essential for commercialization of perovskite solar cells (PSCs). However, power conversion efficiencies (PCEs)…”
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Water-Assisted Lift-Off Process for Flexible CdTe Solar Cells by Bista, Sandip Singh, Li, Deng-Bing, Rijal, Suman, Neupane, Sabin, Awni, Rasha A., Jiang, Chun-Sheng, Xiao, Chuanxiao, Subedi, Kamala Khanal, Song, Zhaoning, Phillips, Adam B., Wen, Xixing, Ellingson, Randall J., Heben, Michael J., Yan, Yanfa

“…In recent years, various lift-off methods have been developed to fabricate lightweight and flexible cadmium telluride (CdTe)-based solar cells. In this work,…”
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The Effects of Hydrogen Iodide Back Surface Treatment on CdTe Solar Cells by Awni, Rasha A., Li, Deng‐Bing, Grice, Corey R., Song, Zhaoning, Razooqi, Mohammed A., Phillips, Adam B., Bista, Sandip Singh, Roland, Paul J., Alfadhili, Fadhil K., Ellingson, Randy J., Heben, Michael J., Li, Jian V., Yan, Yanfa

“…An appropriate electrical back contact in CdTe solar cells is crucial to achieving high power conversion efficiency. In this work, a facile back surface…”
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ZnTe Back Buffer Layer to Enhance the Efficiency of CdS/CdTe Solar Cells by Bista, Sandip Singh, Li, Deng-Bing, Lei, Chen, Grice, Corey, Awni, Rasha A., Song, Zhaoning, Yan, Yanfa

“…The high electron affinity (4.4eV) of CdTe presents a major technological challenge for forming a good back contact to CdTe, limiting the power conversion…”
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Dithieno[3,2‐b:2′,3′‐d]pyrrole Cored p‐Type Semiconductors Enabling 20 % Efficiency Dopant‐Free Perovskite Solar Cells by Zhou, Jie, Yin, Xinxing, Dong, Zihao, Ali, Amjad, Song, Zhaoning, Shrestha, Niraj, Bista, Sandip Singh, Bao, Qinye, Ellingson, Randy J., Yan, Yanfa, Tang, Weihua

“…Organic p‐type semiconductors with tunable structures offer great opportunities for hybrid perovskite solar cells (PVSCs). We report herein two…”
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Dithienopyrrole Cored p‐Type Semiconductors Enabling 20% Efficiency Dopant‐Free Perovskite Solar Cells by Zhou, Jie, Yin, Xinxing, Dong, Zihao, Ali, Amjad, Song, Zhaoning, Shrestha, Niraj, Sandip Singh Bista, Bao, Qinye, Ellingson, Randy J, Yanfa Yan, Tang, Weihua

“…Organic p‐type semiconductors with tunable structures offer great opportunities for hybrid perovskite solar cells (PVSCs). We report herein two…”
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Incorporation of Arsenic in CdSe/CdTe Solar Cells During Close Spaced Sublimation of CdTe:As by Jamarkattel, Manoj K., Phillips, Adam B., Quader, Abdul, Subedi, Kamala Khanal, Alfadhili, Fadhil K., Bista, Sandip Singh, Awni, Rasha A., Li, Deng-Bing, Swain, Santosh K., Yan, Yanfa, Ellingson, Randy J., McCloy, John S., Lynn, Kelvin G., Heben, Michael J.

“…Cu doping of CdTe has enabled reasonable device performance, but has some significant drawbacks, including limited achievable carrier concentration and high…”
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The Effects of Hydrogen Iodide Back Surface Treatment on CdTe Solar Cells by Awni, Rasha A., Li, Deng -Bing, Grice, Corey R., Song, Zhaoning, Razooqi, Mohammed A., Phillips, Adam B., Bista, Sandip Singh, Roland, Paul J., Alfadhili, Fadhil K., Ellingson, Randy J., Heben, Michael J., Li, Jian V., Yan, Yanfa

“…An appropriate electrical back contact in CdTe solar cells is crucial to achieving high power conversion efficiency. In this work, we develop a facile back…”
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Optimization of CdTe Solar Cells using Co-sputtered CdSeTe by Li, Deng-Bing, Bista, Sandip Singh, Sabin, Neupane, Duan, Xiaomeng, Jamarkattel, Manoj K, Quader, Abdul, Philips, Adam, Heben, Michael, Ellingson, Randall J, Yan, Yanfa

“…Co-deposited CdSeTe has been demonstrated to be an efficient way to improve the short-circuited current density (JSC) in CdSeTe solar cells. In this work,…”
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