Custom-tailored solvent engineering for efficient wide-bandgap perovskite solar cells with a wide processing window and low VOC losses

Author:

Wang Ruohao1,Zhu Jingwei2,You Jiayu2,Huang Hao3ORCID,Yang Yang4,Chen Ruihao4ORCID,Wang Juncheng2,Xu Yuliang2,Gao Zhiyu2,Chen Jiayue1,Xu Bangxin1,Wang Bing1,Chen Cong2,Zhao Dewei2ORCID,Zhang Wen-Hua15ORCID

Affiliation:

1. Yunnan Key Laboratory of Carbon Neutrality and Green Low-carbon Technologies, Yunnan Key Laboratory for Micro/Nano Materials & Technology, Southwest United Graduate School, School of Materials and Energy, Yunnan University, Kunming 650504, China

2. College of Materials Science and Engineering, Sichuan University & Engineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Chengdu 610065, China

3. Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured Materials & School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China

4. State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene, Xi’an 710072, China

5. Southwest United Graduate School, Kunming 650092, China

Abstract

A DMPU custom-tailored solvent system effectively improved the film quality of perovskites, achieving one of the highest VOC of 1.256 V for 1.65 eV wide-bandgap PSCs.

Funder

Fundamental Research Funds for the Central Universities

National Natural Science Foundation of China

Yunnan Provincial Science and Technology Department

Publisher

Royal Society of Chemistry (RSC)

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