Perovskite solar cell
By using boron trifluoride gas as a passivating medium in perovskite solar cells, defects are passivated, and the problems of chemical instability and charge recombination in the crystal structure are solved, thereby improving the performance and stability of the cells.
CN122423338APending Publication Date: 2026-07-17REC SOLAR PTE LTD
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Patent Information
- Application Number
- CN202480080060.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2023-12-18
- Filing Date
- 2024-12-10
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Chemical instability and charge recombination problems caused by crystal structure defects in existing perovskite solar cells affect the charge carrier density and photovoltaic performance.
Method used
Boron trifluoride gas is used as a passivation medium to form fluorine ion bonds on the surface of perovskite materials and p-type doped semiconductor materials through vapor deposition, thereby passivating defects and improving material stability and the quality of the light absorption layer.
Benefits of technology
It enhances the operating efficiency and stability of perovskite solar cells, reduces non-radiative recombination losses, and improves charge carrier extraction efficiency.
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Abstract
各种实施例提供了一种制造钙钛矿太阳能电池的方法。太阳能电池包含含有钙钛矿材料的光吸收层和含有p型掺杂半导体材料的电洞传输层。该方法包含：在基板上形成该钙钛矿材料以定义该光吸收层；在该基板上形成该p型掺杂半导体材料以定义该电洞传输层；以及使用包含三氟化硼的钝化介质来钝化该太阳能电池的一或多个层，该一或多个层系选自由以下所组成之群组：该光吸收层及该电洞传输层。钝化该一或多个层的该步骤包含将包含三氟化硼的气流导引至该些层、或导引至将要在其上形成该些层的该基板。
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