| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 6533912 | Solar Energy Materials and Solar Cells | 2018 | 6 Pages |
Abstract
This work presents an easy and controllable method for introducing I3- ions into organic cation dripping solution via chemical reaction of I-+I2âI3- to effectively decrease the concentration of defects in organic-inorganic lead halide perovskite films. The perovskite solar cells based on additional I3- ions exhibited better photovoltaic performance, with a maximum power conversion efficiency of 18.7%, being about 15% higher than that of the control device. The elucidation of defects and its suppression by employing additional I3- ions provide an important direction for defects elimination and future enhancement of perovskite solar cells efficiency.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Catalysis
Authors
Qiang Sun, Xiu Gong, Hao Li, Shuangshuang Liu, Xiaojuan Zhao, Yan Shen, Mingkui Wang,