Highly efficient Zn2SnO4 perovskite solar cells through band alignment engineering

Jie Dou; Ying Zhang; Qiong Wang; Antonio Abate; Yafeng Li; Mingdeng Wei

doi:10.1039/C9CC07398A

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Highly efficient Zn₂SnO₄ perovskite solar cells through band alignment engineering†

Jie Dou,^ab Ying Zhang,^ab Qiong Wang,^c Antonio Abate,*^ac Yafeng Li^ab and Mingdeng Wei

*^abd

Author affiliations

* Corresponding authors

^a Fujian Provincial Key Laboratory of Electrochemcial Energy Storage Materials, Fuzhou University, Fuzhou, Fujian 350002, China
E-mail: wei-mingdeng@fzu.edu.cn

^b State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, Fujian 350002, China

^c Helmholtz-Zentrum Berlin fur Materialien und Energie, Kekulestrasse 5, Berlin I 12489, Germany
E-mail: antonio.abate@helmholtz-berlin.de

^d Jiangsu Collaborative Innovation Center of Photovolatic Science and Engineering, Changzhou, China

Abstract

An active absorption layer with a narrow band gap has been achieved through adjusting the halide ratio in a halide perovskite, and it had better energy alignment with the Zn₂SnO₄ electron transport layer. An efficiency of 19.37% can be obtained, and this has also been improved to 20.26% through the incorporation of cesium, giving a new triple cation perovskite.

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Article information

DOI: https://doi.org/10.1039/C9CC07398A
Article type: Communication
Submitted: 20 Sep 2019
Accepted: 07 Nov 2019
First published: 07 Nov 2019

Download Citation

Chem. Commun., 2019,55, 14673-14676

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Highly efficient Zn₂SnO₄ perovskite solar cells through band alignment engineering

J. Dou, Y. Zhang, Q. Wang, A. Abate, Y. Li and M. Wei, Chem. Commun., 2019, 55, 14673 DOI: 10.1039/C9CC07398A

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