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Updated: May 23, 2025

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance

Published on: February 27, 2017

调节纯化1.68 eV带隙矿太阳能电池的结晶,填充因子超过86

Xiangqing Zhou^1,2,3,4,5, Xingliang Li^1,2,3,4,5, Biao Shi^1,2,3,4,5

¹Institute of Photoelectronic Thin Film Devices and Technology, Renewable Energy Conversion and Storage Center, State Key Laboratory of Photovoltaic Materials and Cells, Nankai University, Tianjin 300350, P. R. China.

|March 11, 2025

概括

纯酸宽带间隔矿太阳能电池克服了使用硫酸和酸添加剂的相分离问题. 这一创新增强了结晶和稳定性,实现了双联太阳能电池的高效率.

关键词:

结晶调节法规结晶调节法规均的阶段均的阶段矿太阳能电池是如何使用的摄影稳定性的一个例子.纯化的矿石.

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科学领域:

材料科学材料科学材料科学
太阳能光伏发电是如何实现的
固态化学固态化学

背景情况:

混合化物宽带间隙 (WBG) 矿对联太阳能电池至关重要,但遭受光诱导的化物相分离.
纯化WBG矿提供了一个潜在的解决方案,通过增加 (Cs) 含量来扩大带隙,避免 (Br).
现有的纯化WBG矿太阳能电池 (PSC) 由于结晶不良和复杂相位过渡的高缺陷密度,效率较低.

研究的目的:

通过改善结晶和减少缺陷来解决纯化WBGPSC的效率限制.
通过防止化物相分离,在WBG PSC中实现增强的稳定性和性能.

主要方法:

在Cs_0.3DMA_0.2MA_0.5PbI₃前体溶液中将硫酸 (Pb(SCN)₂) 和氨酸化物 (OAmCl) 纳入.
使用添加剂促进同质相分布,控制核和相变过程.
薄膜质量的表征,缺陷密度,表面电子特性和光伏性能.

主要成果:

在纯化WBG矿薄膜中实现了均相分布,从而提高了结晶度.
减少过多的源缺陷,改善薄膜质量,减少表面批量缺陷.
显示了高功率转换效率 (PCE) 的21.55%与86.03%的异常高填充系数.

结论:

联合使用Pb(SCN) ₂和OAmCl有效抑制纯化WBG矿中的相分离.
开发的PSC表现出卓越的光稳定性,在持续照明下保持12小时的无相分离状态.
这种方法显著提高了纯化WBG矿的可行性,用于高效和稳定的并联太阳能电池应用.