Hot‐Electron Injection in a Sandwiched TiO  x  –Au–TiO  x   Structure for High‐Performance Planar Perovskite Solar Cells | Zendy

Yuan Zhongcheng | Zendy; Wu Zhongwei | Zendy; Bai Sai | Zendy; Xia Zhouhui | Zendy; Xu Weidong | Zendy; Song Tao | Zendy; Wu Haihua | Zendy; Xu Luhai | Zendy; Si Junjie | Zendy; Jin Yizheng | Zendy; Sun Baoquan | Zendy

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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%.

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