Broadband efficient light-absorbing SS-PPy@CNT membranes prepared by electrochemical deposition for photothermal conversion

Mengyan Liu, Benfeng Zhu, Na Chen, Jie Zhu, Caihe Lei, Ruopeng Li, Yumeng Yang, Jiao Liu, Zhao Zhang, Peixia Yang, Oleg Levin, Elena Alekseeva, Bo Fang, Guoying Wei and Jingjing Yang

Renewable Energy, 2024, vol. 237, issue PD

Abstract: Solar energy is an eco-conscious substitute, for solar energy absorption and subsequent light-to-heat conversion, light-absorbing materials require broad-spectrum light absorption capabilities. Herein, we present the fabrication of broadband light-absorbing polypyrrole-carboxylated carbon nanotube membranes via a facile electrochemical deposition route. By manipulating electrochemical deposition time, the structure of the membranes was tailored, resulting in enhanced absorption, achieving over 98.95 % across the entire solar spectrum. The membranes demonstrated exemplary thermal efficacy and insensitivity to incident angles in photothermal conversion, the membranes facilitated a notable 12 °C temperature elevation within a simulated greenhouse compared to ambient conditions. Thus, these membranes exhibit considerable potential for widespread application in photothermal conversion and greenhouse technology.

Keywords: Carbon nanotubes; Electrochemical deposition; Micro-nano structure; Broadband light absorption; Photothermal conversion (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:237:y:2024:i:pd:s0960148124019943

DOI: 10.1016/j.renene.2024.121926

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