Perovskite solar cells using TiO2 layers coated with metal-organic framework material ZIF-8

被引：25
|
作者：
Chung, Ho-Yang [1 ]
Lin, Chia-Her [1 ]
Prabu, Samikannu [1 ]
Wang, Hong-Wen [1 ]
机构：
[1] Chung Yuan Christian Univ, Dept Chem, Taoyuan 320, Zhongli, Taiwan
来源：
JOURNAL OF THE CHINESE CHEMICAL SOCIETY | 2018年 / 65卷 / 12期
关键词：
MOF; perovskite solar cells; ZIF-8;
D O I：
10.1002/jccs.201800173
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A metal-organic framework of ZIF-8 is used as an interlayer between the mesoporous TiO2 and the perovskite layer in perovskite solar cells (PSCs). The ZIF-8 solution is dried on the mesoporous TiO2 layer, which can then act as an additional light absorbing layer at the short-wavelength range for the solar cells, leading to improved performance of the cell. After an immersion time of 1-5 min, a very thin ZIF-8 film is formed on TiO2. An enhancement in the incident photon to current conversion efficiency (IPCE) is achieved for PSCs using the ZIF-8-coated TiO2 layer. The conversion efficiency of PSCs is improved from 9.6 to 12.0% when ZIF-8 is present. UV-vis and photoluminescence (PL) spectra are used to investigate the beneficial effect of ZIF-8/TiO2 hybrid layers.
引用
收藏
页码：1476 / 1481
页数：6
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