Modified deposition process of electron transport layer for efficient inverted planar perovskite solar cells.
A highly-efficient inverted heterojunction perovskite solar cell was prepared. A homogeneous and compact perovskite (CH3NH3PbI3) layer was prepared via a two-step solution deposition method, and subsequently a double-layer PCBM film was deposited by a sequential spin-coating/vapor deposition process as the electron transport layer. The optimised device could achieve a 12.2% (average 11.09%) efficiency.
Key Laboratory of Photonics Technology for Information, Key Jiaotong University, Xi'an 710049, P. R. China. zhaoxinwu@mail.xjtu.edu.cn.
Hua
H
Dong
Zhaoxin
Z
Wu
Bin
B
Xia
Jun
J
Xi
Fang
F
Yuan
Shuya
S
Ning
Lixin
L
Xiao
Xun
X
Hou