Premium
Hot‐Electron Injection in a Sandwiched TiO x –Au–TiO x Structure for High‐Performance Planar Perovskite Solar Cells
Author(s) -
Yuan Zhongcheng,
Wu Zhongwei,
Bai Sai,
Xia Zhouhui,
Xu Weidong,
Song Tao,
Wu Haihua,
Xu Luhai,
Si Junjie,
Jin Yizheng,
Sun Baoquan
Publication year - 2015
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.201500038
Subject(s) - materials science , perovskite (structure) , energy conversion efficiency , semiconductor , optoelectronics , schottky diode , charge carrier , engineering physics , nanotechnology , chemical engineering , physics , diode , engineering
A unique sandwiched structure of TiO x /Au‐NPs/TiO x is used to improve the charge transport properties of a TiO x film via plasmonic‐mediated hot carrier injection at the metal‐semiconductor Schottky junction. The injected carrier helps to fill trap states and to further decrease the Fermi level of TiO x . The combined effects dramatically enhance the perovskite solar cell performance, with a power conversion efficiency of 16.2%.