Formation and evolution of the unexpected PbI2 phase at the interface during the growth of evaporated perovskite films

• DOI: 10.1039/c6cp02737g
• Publication Date: 2016-06-16T11:32:55Z
• Authors: Haitao Xu; Yanglin Wu; Jian Cui; Chaowei Ni; Fuzong Xu; Jiang Cai; Feng Hong; Zebo Fang; Wenzhen Wang; Jiabin Zhu; Linjun Wang; Run Xu; Fei Xu
• Keywords: Interface (matter)

A PbI₂ phase is found to be inevitably formed at the interface in dual-source evaporated perovskite films that will block carrier transport.