一种酰肼小分子添加剂修饰的钙钛矿太阳能电池及其制备方法和应用
By modifying perovskite thin films with hydrazide small molecules, the problem of easy degradation of perovskite solar cells in air was solved, achieving efficient and stable photoelectric conversion and stability, making them suitable for industrial applications.
CN117529121BActive Publication Date: 2026-07-17WUHAN UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- WUHAN UNIV
- Filing Date
- 2023-10-30
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing perovskite solar cells are susceptible to oxygen and moisture in the air, leading to performance degradation and poor stability, which limits their commercial application.
Method used
Perovskite films were modified with hydrazide small molecules to enhance stability by complexing with lead in the perovskite. Perovskite light-absorbing and electron transport layers were prepared in air to improve interfacial contact and suppress charge recombination.
Benefits of technology
It improves the photoelectric conversion efficiency and stability of perovskite solar cells, reduces production costs, is suitable for industrial production, and is not limited by gas atmosphere.
✦ Generated by Eureka AI based on patent content.
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Figure CN117529121B_ABST
Abstract
本发明公开了一种酰肼小分子添加剂修饰的钙钛矿太阳能电池及其制备方法和应用，属于有机光伏电池技术领域。钙钛矿太阳能电池由依次排列的透明导电玻璃、电子传输层、钙钛矿吸光层、空穴传输层和金属电极层构成；所述钙钛矿吸光层是采用包括甲酰肼、乙酰肼、碳酰肼中至少一种的酰肼小分子所修饰的FAPbI3基钙钛矿薄膜。本发明将酰肼小分子作为钙钛矿吸光层中的添加剂，制备得到光滑均匀、大晶粒、强结晶性、低缺陷密度的钙钛矿吸光层。同时，钙钛矿吸光层和电子传输层之间的界面接触亦得到改善，抑制了电荷传输过程中的复合。钙钛矿太阳能电池的光电转换效率和稳定性均得到显著提升，在光伏领域具有良好的应用前景。
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