Organosilicon chains strengthened flexible graphene aerogel with improved compression modulus and tunable functionality

doi:10.1016/j.diamond.2019.04.005

	Organosilicon chains strengthened flexible graphene aerogel with improved compression modulus and tunable functionality
	Li, Jingjing; Zhong, He; Zhang, Jingxian; Li, Xiaoguang; Duan, Yusen; Jiang, Dongliang
刊名	DIAMOND AND RELATED MATERIALS
	2019-05-01
卷号	95 页码:91
关键词	Graphene aerogel Tetraethyl orthosilicate Mechanical strength Compression modulus Adsorption capacity
ISSN号	0925-9635
DOI	10.1016/j.diamond.2019.04.005
文献子类	Article
英文摘要	The idea of increasing the mechanical strength of graphene aerogel (GA) and achieving more reliable application performance has aroused wide attention recently. A solution to this challenge is to reinforce the framework of aerogel by adding enhancers to the initial graphene oxide (GO) solution. Herein, organosilicon chains strengthened compressible GA was fabricated in a facile and low-cost method by introducing tetraethyl orthosilicate (TEOS) as the reinforce agent. The effects of TEOS on the porous microstructure and mechanical properties of GA were systematically studied, and the best mechanical performance obtained at the mass ratio of TEOS to GO equal to 3:1. The final well-structured TEOS-3 aerogel exhibits a maximum compression modulus of 29 kPa, which is higher than that reported in previous works. In addition, it showed an excellent hydrophobicity (contact angle, 131.71 degrees), a high adsorption capacity (72 times of its own weight) and excellent regeneration capacity for toluene, a good electrical conductivity of similar to 0.1 S-m(-1) and a low density of 15.56 mg.cm(-3). This work might provide hints for the large-scale preparation and practical application of graphene aerogel with more reliable application performance.
WOS研究方向	Materials Science ; Physics
语种	英语
出版者	ELSEVIER SCIENCE SA
内容类型	期刊论文
源URL	[http://ir.sic.ac.cn/handle/331005/27135]
专题	中国科学院上海硅酸盐研究所
推荐引用方式 GB/T 7714	Li, Jingjing,Zhong, He,Zhang, Jingxian,et al. Organosilicon chains strengthened flexible graphene aerogel with improved compression modulus and tunable functionality[J]. DIAMOND AND RELATED MATERIALS,2019,95:91.
APA	Li, Jingjing,Zhong, He,Zhang, Jingxian,Li, Xiaoguang,Duan, Yusen,&Jiang, Dongliang.(2019).Organosilicon chains strengthened flexible graphene aerogel with improved compression modulus and tunable functionality.DIAMOND AND RELATED MATERIALS,95,91.
MLA	Li, Jingjing,et al."Organosilicon chains strengthened flexible graphene aerogel with improved compression modulus and tunable functionality".DIAMOND AND RELATED MATERIALS 95(2019):91.