Macroporous 3D MXene architecture for solar-driven interfacial water evaporation

Interfacial water evaporation through solar heating with photothermal materials is a promising strategy for seawater desalination and wastewater purification. Tightly packed 2D membranes with high reflection losses and limited vapor escape channels result in a low evaporation rate. In this work, 3D...

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Bibliographic Details
Published in:Journal of advanced dielectrics 2019-12, Vol.9 (6), p.1950047-1950047-6
Main Authors: Ju, Maomao, Yang, Yawei, Zhao, Jianqiu, Yin, Xingtian, Wu, Yutao, Que, Wenxiu
Format: Article
Language:English
Subjects:
Architecture
Broadband
carbonized melamine foam
Desalination
Evaporation
Evaporation rate
Evaporators
Melamine
MXenes
Photothermal conversion
Seawater
Solar heating
solar vapor generation
ti3c2
Vapors
Wastewater
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Summary:Interfacial water evaporation through solar heating with photothermal materials is a promising strategy for seawater desalination and wastewater purification. Tightly packed 2D membranes with high reflection losses and limited vapor escape channels result in a low evaporation rate. In this work, 3D MXene architecture was fabricated by dropping the delaminated Ti3C2 ( d -Ti3C2) nanosheets onto the carbonized melamine foam (CMF) framework. Owing to the macroporous 3D architecture, more effective broadband solar absorption and vapor escaping were achieved. As a result, the 3D CMF@ d -Ti3C2-based evaporator delivers a water evaporation rate of 1.60 kg/m2 â‹… h with a solar-to-vapor conversion efficiency of up to 84.6%.
ISSN:2010-135X
2010-1368
DOI:10.1142/S2010135X19500474