Solar energy paper index
Lead-free K2MnTlH6 double perovskite solar cells with WS2/CBTS interfaces achieving > 29% efficiency: a comprehensive SCAPS-1D simulation study
One-line summary
A solar energy research paper on Lead-free K2MnTlH6 double perovskite solar cells with WS2/CBTS interfaces achieving > 29% efficiency: a comprehensive SCAPS-1D simulation study.
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Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
Abstract This study investigates the double-perovskite hydride K 2 MnTlH 6 as a promising and previously unexplored absorber for perovskite solar cells (PSCs) using the SCAPS-1D simulator. Key parameters including the electron-transport layer (WS 2 ), hole-transport layer (CBTS), absorber thickness, defect density, and doping concentration are systematically optimized. Results show that WS₂ and CBTS provide favorable band alignment and efficient carrier extraction, enhancing the open-circuit voltage (V OC ), short-circuit current density (J SC ), fill factor (FF), and overall power conversion efficiency (PCE). Interfacial defect densities at the WS 2 /K 2 MnTlH 6 and K 2 MnTlH 6 /CBTS interfaces are analyzed to elucidate recombination and charge-transfer behavior. Additional evaluations of series resistance, shunt resistance, and operating temperature assess device performance under realistic conditions. The optimized configuration achieves a V OC of 1.13 V, J SC of 34.74 mA/cm², FF of 83.56%, and a PCE of 29.41%, confirming K 2 MnTlH 6 as a strong candidate for next-generation, environmentally friendly PSCs.
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