Sustainable development of graphitic carbon nanosheets from plastic wastes with efficient photothermal energy conversion for enhanced solar evaporation

Marliyana Aizudin; Ronn Goei; Amanda Jiamin Ong; Yong Zen Tan; Shun Kuang Lua; Rafeeque Poolamuri Pottammel; Hongbo Geng; Xing-Long Wu; Alfred Ling Yoong Tok; Edison Huixiang Ang

doi:10.1039/D2TA02092K

Sustainable development of graphitic carbon nanosheets from plastic wastes with efficient photothermal energy conversion for enhanced solar evaporation†

Marliyana Aizudin,

‡^a Ronn Goei,

‡^b Amanda Jiamin Ong,

^b Yong Zen Tan,

^c Shun Kuang Lua,

^c Rafeeque Poolamuri Pottammel,^d Hongbo Geng,

^e Xing-Long Wu,

^f Alfred Ling Yoong Tok

*^b and Edison Huixiang Ang

*^a

Author affiliations

* Corresponding authors

^a Natural Sciences and Science Education, National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore
E-mail: edison.ang@nie.edu.sg

^b School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
E-mail: MIYTok@ntu.edu.sg

^c School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore

^d Department of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Kerala 695551, India

^e School of Materials Engineering, Changshu Institute of Technology, Changshu, Jiangsu, PR China

^f Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, PR China

Abstract

We demonstrate that by a simple solvothermal treatment followed by carbonization, plastic waste can be turned into graphitic carbon nanosheets, with an excellent photothermal conversion efficiency (99%) that is capable of generating a high evaporation rate (1.50 L m⁻² h⁻¹ at 1 kW m⁻²) in a solar evaporator, and these are among the best values reported thus far.

This article is part of the themed collections: 2023 Journal of Materials Chemistry A Lunar New Year collection and Journal of Materials Chemistry A Emerging Investigators

Journal of Materials Chemistry A

Sustainable development of graphitic carbon nanosheets from plastic wastes with efficient photothermal energy conversion for enhanced solar evaporation†

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Sustainable development of graphitic carbon nanosheets from plastic wastes with efficient photothermal energy conversion for enhanced solar evaporation

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