协调化学作为控制矿结晶的通用策略
Weiwei Zuo1, Mahdi Malekshahi Byranvand1,2, Tim Kodalle3
1Institute for Photovoltaics (ipv), University of Stuttgart, Pfaffenwaldring 47, 70569, Stuttgart, Germany.
Advanced materials (Deerfield Beach, Fla.)
|June 14, 2023
概括
硫化二甲基 (DMS) 是矿太阳能电池 (PSC) 的新型核化触发剂. 它通过替代像二甲基硫氧化物 (DMSO) 这样的残留溶剂来改善薄膜形成和长期稳定性.
科学领域:
- 材料科学 材料科学 材料科学
- 可再生能源可再生能源是可再生能源.
- 化学 化学 化学
背景情况:
- 矿太阳能电池 (PSC) 需要精确的薄膜形成,以提高效率和稳定性.
- 其余的前体溶剂,如二甲基硫氧化物 (DMSO),阻碍了PSC的长期稳定性.
- 当前的核化方法往往无法去除这些有害的溶剂.
研究的目的:
- 引入一种用于矿薄膜形成的新型核化触发器.
- 为了提高矿太阳能电池的稳定性和效率.
- 开发一种控制矿结晶的通用战略.
主要方法:
- 引入二甲基硫化物 (DMS) 作为核化触发剂,利用其高协调性和蒸汽压力.
- 使用DMS处理MAPbI3和FAPbI3矿化合物.
- 用DMS加工的设备与使用传统抗溶剂 (如二) 制造的设备进行比较.
主要成果:
- DMS有效地取代了剩余的DMSO,改善了薄膜质量和稳定性.
- 使用DMS处理的MAPbI3PSC实现了21.6%的效率.
- 与二 (20.9%) 相比,FAPbI3 PSC 显示使用 DMS 的效率更高 (23.5%).
结论:
- 硫化二甲基 (DMS) 提供了一种通用策略,通过协调化学来控制矿结晶.
- 这种方法可以使用纯的DMSO前体溶液,提高PSC的稳定性.
- 这些发现为恢复和改进基于DMSO的矿化合物铺平了道路.
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