基于近平面核心的螺旋型孔输送材料用于无添加剂的矿太阳能电池
Guang Shao1,2, Dian Wang1, Zu-Kun Zhou1
1School of Chemistry, Sun Yat-sen University, Guangzhou, Guangdong, 510275, China.
Angewandte Chemie (International ed. in English)
|August 5, 2024
概括
一种新型的准平面螺旋型孔输送材料 (HTM),Z-W-03,提高了矿太阳能电池 (PSC) 的效率和稳定性. 这种新的HTM提供了比spiro-OMeTAD更好的性能,通过被动化陷状态,并使无p-dopants的高效孔运输成为可能.
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.
- 太阳能光伏发电是如何实现的
背景情况:
- 孔承载材料 (HTM) 对矿太阳能电池 (PSC) 的稳定性和效率至关重要.
- 目前最先进的spiro-OMeTAD由于p-dopants和添加剂而遭受稳定性问题.
研究的目的:
- 开发一种新的螺旋型HTM (Z-W-03),具有准平面核心,以提高PSC的热和环境稳定性.
- 调查管理PSC中新型HTM表现的结构-财产关系.
主要方法:
- 一个具有准平面核心的新型螺旋型HTM (Z-W-03) 的合成和特征.
- 使用Z-W-03作为HTM的PSC的制造和性能评估.
- 在各种条件下对Z-W-03和基于spiro-OMeTAD的PSC进行比较分析.
主要成果:
- 由于Z-W-03的平面碳素醇结构,它比螺旋OMeTAD更有效地被动陷状态,从而导致更浅的陷状态.
- 采用Z-W-03的PSC实现了1.178V的更高开放电路电压 (Voc) 和24.02%的增强功率转换效率 (PCE).
- 无毒Z-W-03表现出高孔移动性 (~10-4cm-2V-1s-1),并实现了近23%的PCE表面修改,以及增强的稳定性.
结论:
- 在Z-W-03中,准平面的核心结构和分子间堆叠 (CH/π和π-π) 是其卓越性能和稳定性的关键.
- Z-W-03为开发稳定和高效的PSC提供了对spiro-OMeTAD的有希望的替代方案.
- 螺旋型HTMs的进一步分子设计,具有准平面核心和碳素部分,对于PSC的商业化至关重要.
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