Controllable bandgap-gradient halide perovskite films via dip-coating and halide anion exchange for multispectral photodiodes with high performance

Author:

Zhang Yichi1,Liu Jiaxin1,Wu Xinli1,Peng Yi1,Han Zeyao1,Zou Yousheng1ORCID

Affiliation:

1. Key Laboratory of Advanced Display Materials and Devices, Ministry of Industry and Information Technology, Institute of Optoelectronics & Nanomaterials, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China

Abstract

Multispectral photodetectors based on one-dimensional bandgap-gradient halide perovskite films by combining dip-coating and halide anion exchange show continuously varying response cutoff band edges and a high Ion/Ioff of 104–106.

Funder

Natural Science Foundation of Jiangsu Province

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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