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 Vol. 9; no. 6; pp. 1950047 - 1950047-6
Main Authors: Ju, Maomao, Yang, Yawei, Zhao, Jianqiu, Yin, Xingtian, Wu, Yutao, Que, Wenxiu
Format: Journal Article
Language:English
Published: Singapore World Scientific Publishing Company 01.12.2019
World Scientific Publishing Co. Pte., Ltd
World Scientific Publishing
Subjects:
Architecture
Broadband
carbonized melamine foam
Desalination
Evaporation
Evaporation rate
Evaporators
Melamine
MXenes
Photothermal conversion
Seawater
Solar heating
solar vapor generation
ti3c2
Vapors
Wastewater
solar vapor generation
3D
Ti3C2
carbonized melamine foam
ISSN:2010-135X, 2010-1368
Online Access:Get full text
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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 ⋅ h with a solar-to-vapor conversion efficiency of up to 84.6%.
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ISSN:2010-135X
2010-1368
DOI:10.1142/S2010135X19500474