g-C3N4 modified MoS2 photoelectrodes for stable photo-assisted zinc-ion capacitors

IF 6.8 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Science China Materials Pub Date : 2025-02-08 DOI:10.1007/s40843-024-3239-y

Changhua Mi (, ), Xin Sun (, ), Xiaojing Yin (, ), Jiahao Yang (, ), Yanlong Lv (, ), Xiaojun Lv (, ), Meicheng Li (, )

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引用次数: 0

Abstract

Photo-assisted capacitors are attractive devices for solar energy conversion and storage, while the behavior of photoelectrodes limits their performance. In this work, MoS₂ photoelectrodes were modified by g-C₃N₄, exhibiting enhanced photo-rechargeable properties. Our results show that the introduction of g-C₃N₄ increases the surface area of MoS₂ photoelectrodes and promotes the transport of charge carriers, which can boost the specific capacity and cycle stability of capacitors. The as-prepared zinc-ion capacitors with g-C₃N₄/MoS₂ photoelectrodes show a specific capacity of 380.93 F/g at 1 A/g under AM 1.5 G illumination. Remarkably, after 3000 cycles at 10 A/g, the capacity of the photo-assisted zinc-ion capacitor retains above 99%.

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来源期刊

Science China Materials Materials Science-General Materials Science

CiteScore

11.40

自引率

7.40%

发文量

949

期刊介绍： Science China Materials (SCM) is a globally peer-reviewed journal that covers all facets of materials science. It is supervised by the Chinese Academy of Sciences and co-sponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China. The journal is jointly published monthly in both printed and electronic forms by Science China Press and Springer. The aim of SCM is to encourage communication of high-quality, innovative research results at the cutting-edge interface of materials science with chemistry, physics, biology, and engineering. It focuses on breakthroughs from around the world and aims to become a world-leading academic journal for materials science.