Trifluoroacetate induced small-grained CsPbBr3 perovskite films result in efficient and stable light-emitting devices

oleh: Haoran Wang, Xiaoyu Zhang, Qianqian Wu, Fan Cao, Dongwen Yang, Yuequn Shang, Zhijun Ning, Wei Zhang, Weitao Zheng, Yanfa Yan, Stephen V. Kershaw, Lijun Zhang, Andrey L. Rogach, Xuyong Yang

Format: Article
Diterbitkan: Nature Portfolio 2019-02-01

Deskripsi

All-inorganic cesium lead bromide perovskite based light-emitting diodes show improved operational stability but the film quality limits their performance. Here Wang et al. use trifluoroacetate anions to passivate defects and achieve excellent device performance and stability.