A practical method for fabricating perovskite solar cells with remarkable water resistance via additive engineering†,Molecular Systems Design & Engineering

当前位置： X-MOL 学术 › Mol. Syst. Des. Eng. › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

A practical method for fabricating perovskite solar cells with remarkable water resistance via additive engineering†
Molecular Systems Design & Engineering ( IF 3.2 ) Pub Date : 2018-06-21 00:00:00 , DOI: 10.1039/c8me00021b
Guanqun Feng _{1,

2,

3,

4,

5} , Xiaochen Guo _{1,

2,

3,

4,

5} , Faming Li _{1,

2,

3,

4,

5} , Yulong Liao _{1,

2,

3,

4} , Yuting Hou _{1,

2,

3,

4,

5} , Mingzhen Liu _{1,

2,

3,

4,

5}

Affiliation

Hybrid inorganic–organic perovskite solar cells (PSCs) have attracted significant attention in the recent years due to their excellent photoelectric properties. However, the fast degradation of perovskite solar cells under humid environment restricts their industrial applications. Herein, we discovered that the hybrid organic–inorganic perovskite films remain undecomposed in water after adding 2-aminoethanethiol hydrochloride (2-AET·HCl) as S in 2-AET·HCl can fix the methylamine vacancies and coordinate with Pb in the material, thus protecting the perovskite film from water. The optimal Cs_0.15MA_0.85PbI₃·(0.578)2-AET perovskite film generates a device with a fill factor of 0.68, yielding a power convention efficiency (PCE) of 1.1% after immersion in water. This is the first time where PSCs with high water resistance have been realized without inserting hydrophobic layers, which provides a new approach to enhance the capability of water resistance for PSCs.

中文翻译：

通过添加剂工程制造具有卓越耐水性的钙钛矿太阳能电池的实用方法†

无机-有机钙钛矿混合太阳能电池（PSC）近年来因其出色的光电性能而引起了广泛的关注。然而，钙钛矿太阳能电池在潮湿环境下的快速降解限制了其工业应用。在此，我们发现，在2-AET·HCl中添加S可以固定甲基胺的空位并与材料中的Pb配位后，在水中添加2-氨基乙硫醇盐酸盐（2-AET·HCl）可以使有机-无机钙钛矿杂化膜在水中保持不分解的状态，从而保护钙钛矿膜免受水侵害。最佳Cs _0.15 MA _0.85 PbI ₃·（0.578）2-AET钙钛矿薄膜产生的填充系数为0.68的器件，浸入水中后产生的功率常规效率（PCE）为1.1％。这是首次在不插入疏水层的情况下实现具有高耐水性的PSC，这为增强PSC的耐水性提供了一种新方法。

更新日期：2018-06-21

点击分享查看原文

点击收藏

阅读更多本刊最新论文