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Carrot-Inspired Solar Thermal Evaporator


Solar steam generation appears as an emerging green strategy for its potential applications in water desalination, power generation and chemical purification. Although a variety of efforts have been devoted to develop high-efficiency solar steam generation devices, a number of challenges remain, including the relatively low thermal efficiency, the complicated process, the high cost, and the difficulty in cycling. Herein, inspired by the natural water transportation in plants, a cheap carrot-inspired solar thermal evaporator (ethanol-treated-carrot biochar, ECB) has been reported by utilizing its inherent structure, which achieves a record high evaporation rate of 2.04 kg m-2 h-1 and an apparent energy conversion efficiency of 127.8% under one-sun illumination. The inherent structure not only enables sufficient water transportation, but also offers a high light-to-heat conversion efficiency originating from the carbonized surface. Furthermore, the excellent durability and environmental stability of the biochar allow for convenient recycling program and practical applications.

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Publication details

The article was received on 10 Aug 2019, accepted on 04 Nov 2019 and first published on 04 Nov 2019

Article type: Paper
DOI: 10.1039/C9TA08754K
J. Mater. Chem. A, 2019, Accepted Manuscript

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    Carrot-Inspired Solar Thermal Evaporator

    Y. Long, S. Huang, H. Yi, J. Chen, J. Wu, Q. Liao, H. Liang, H. Cui, S. Ruan and Y. Zeng, J. Mater. Chem. A, 2019, Accepted Manuscript , DOI: 10.1039/C9TA08754K

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