Premium
Bandgap Tunable Zn 1‐ x Mg x O Thin Films as Highly Transparent Cathode Buffer Layers for High‐Performance Inverted Polymer Solar Cells
Author(s) -
Yin Zhigang,
Zheng Qingdong,
Chen ShanCi,
Cai Dongdong,
Zhou Lingyu,
Zhang Jian
Publication year - 2014
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201301404
Subject(s) - materials science , cathode , energy conversion efficiency , optoelectronics , band gap , buffer (optical fiber) , thin film , polymer solar cell , nanotechnology , telecommunications , chemistry , computer science
High efficiency and stable polymer solar cells (PSCs) are fabricated by using solution‐processed Zn 1‐ x Mg x O (ZMO) films as a novel class of cathode buffer layers (CBLs). They have the advantages of tunable bandgaps and energy levels, high optical transparency, and good electron‐transporting abilities. PSCs with an optimized ZMO CBL exhibit a high power conversion efficiency of 8.31%, which is much better than those of control devices without a CBL or with a ZnO CBL.