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公开(公告)号：US11849596B2
公开(公告)日：2023-12-19
申请号：US18355095
申请日：2023-07-19
发明人： Bao Tu , Weifeng Liang , Limei Zhou , Yongsheng Guo , Guodong Chen , Chuying Ouyang
摘要： A perovskite solar battery, including a transparent conductive glass substrate, a hole transport layer, a perovskite light-absorbing layer, an electron transport layer, and an electrode are described. The hole transport layer is a nickel oxide hole transport layer. Simple-substance nickel exists on a contact surface of the hole transport layer in contact with the perovskite light-absorbing layer. On the contact surface of the hole transport layer in contact with the perovskite light-absorbing layer, a ratio between simple-substance nickel and trivalent nickel is 85:15 to 99:1, optionally 90:10 to 99:1, and further optionally 95:5 to 99:1. This application further provides a method for preparing a perovskite solar battery.
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公开(公告)号：US12075637B2
公开(公告)日：2024-08-27
申请号：US18452101
申请日：2023-08-18
发明人： Changsong Chen , Juanjuan Sun , Limei Zhou , Hanfang Li , Wenming Guo , Zhiqiang Wang , Guodong Chen , Yongsheng Guo
摘要： A perovskite solar cell includes a transparent electrode, an electron transport layer, a perovskite layer, a hole transport layer, and a second electrode in sequence. The perovskite layer includes a main perovskite layer and a two-dimensional perovskite coating layer covering both surface and periphery of the main perovskite layer. The two-dimensional perovskite coating layer includes a first overlay layer disposed between the main perovskite layer and the electron transport layer, a second overlay layer disposed between the main perovskite layer and the hole transport layer, and a third overlay layer covering the periphery of the main perovskite layer.
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