Building of multifunctional and hierarchical H_(x)MoO_(3)/PNIPAM hydrogel for high-efficiency solar vapor generation

作     者：Shuai Cao Jingyun Jiang Qingyong Tian Cang Guo Xuzhe Wang Kun Dai Qun Xu Shuai Cao;Jingyun Jiang;Qingyong Tian;Cang Guo;Xuzhe Wang;Kun Dai;Qun Xu

作者机构：College of Materials Science and EngineeringZhengzhou UniversityZhengzhou450052China Institute of Advanced Technology Zhengzhou UniversityZhengzhou450052China Key Laboratory of Materials Processing and MoldMinisitry of EducationZhengzhou UniversityZhengzhou450002China 

出 版 物：《Green Energy & Environment》 (绿色能源与环境（英文版）)

年 卷 期：2022年第7卷第5期

页      面：1006-1013页

核心收录：

学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 0807[工学-动力工程及工程热物理] 

基　　金：financially supported by National Natural Science Foundation of China (No. 21773216, 51173170, 21903070) the Science and Technology Program (182102410073) of Henan Province the Key Program of Science and Technology (121PZDGG213) from Zhengzhou Bureau of science and technology 

主　　题：hydrogel distillation attributed 

摘      要：Solar distillation is a sustainable and promising technique to generate fresh ***,the solar vapor generation is a high energy consumption process,resulting in a low water yield under natural ***,developing of advanced evaporators that can simultaneously reduce the energy requirement of water vaporization and accelerate solar water evaporation remains a great *** this study,we report the fabrication of a multifunctional hydrogel of H_(x)Mo O_(3)/PNIPAM with PNIPAM as hydratable skeleton and H_(x)Mo O_(3) as the light-absorbing unit for solar water *** experimental results demonstrate that the as-prepared hydrogel owns excellent photothermal ***,the fabricated hydrogel-based solar evaporators achieved high water evaporation rate of 1.65 kg m^(-2)h^(-1)with the energy conversion efficiency of 85.87%under 1 k W m^(-2)*** enhanced photothermal activity of H_(x)Mo O_(3)/PNIPAM hydrogel can be attributed to the synergistic effects of the components composed in this hierarchical architecture that change the water state and further speed up water *** H_(x)Mo O_(3)/PNIPAM evaporators indicate its great potential for practical implementation of solar water evaporation.