A cake making strategy to prepare reduced graphene oxide wrapped plant fiber sponges for high-efficiency solar steam generation

Tingjie Chen; Sha Wang; Zhenzeng Wu; Xiaodong (Alice) Wang; Jian Peng; Binghui Wu; Jingqin Cui; Xiaoliang Fang; Yongqun Xie; Nanfeng Zheng

doi:10.1039/C8TA04420A

A cake making strategy to prepare reduced graphene oxide wrapped plant fiber sponges for high-efficiency solar steam generation†

Tingjie Chen,^a Sha Wang,^b Zhenzeng Wu,^c Xiaodong (Alice) Wang,^d Jian Peng,^a Binghui Wu,

^a Jingqin Cui,^a Xiaoliang Fang,

*^a Yongqun Xie^c and Nanfeng Zheng

^a

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* Corresponding authors

^a State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, National & Local Joint Engineering Research Center for Preparation Technology of Nanomaterials, College of Chemistry and Chemical Engineering, Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, Xiamen, Fujian 361005, China
E-mail: x.l.fang@xmu.edu.cn

^b Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P. R. China

^c College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, P. R. China

^d Department of Wood and Forest Sciences, Laval University, Quebec G1V 0A6, Canada

Abstract

A facile method inspired by the cake making process is developed to fabricate reduced graphene oxide wrapped plant fiber sponges (PFS@rGO) through in situ coating and foaming. This method avoids the use of energy-intensive equipment for molding and drying, and hence has great potential in the production of large-sized rGO sponges. With a highly porous framework, good mechanical properties, efficient solar absorption, and low thermal conductivity, the as-fabricated hydrophilic and light-weight PFS@rGO readily floats on seawater and generates water vapor with a solar thermal conversion efficiency of 88.8% under 1 sun illumination.

This article is part of the themed collection: 2018 Journal of Materials Chemistry A HOT Papers

Journal of Materials Chemistry A

A cake making strategy to prepare reduced graphene oxide wrapped plant fiber sponges for high-efficiency solar steam generation†

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A cake making strategy to prepare reduced graphene oxide wrapped plant fiber sponges for high-efficiency solar steam generation

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