A highly permeable graphene oxide membrane with fast and selective transport nanochannels for efficient carbon capture

Shaofei Wang; Yingzhen Wu; Ning Zhang; Guangwei He; Qingping Xin; Xingyu Wu; Hong Wu; Xingzhong Cao; Michael D. Guiver; Zhongyi Jiang

doi:10.1039/C6EE01984F

A highly permeable graphene oxide membrane with fast and selective transport nanochannels for efficient carbon capture†

Shaofei Wang,^abc Yingzhen Wu,^ab Ning Zhang,^ab Guangwei He,^ab Qingping Xin,^c Xingyu Wu,^ab Hong Wu,^ab Xingzhong Cao,^d Michael D. Guiver*^be and Zhongyi Jiang*^ab

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* Corresponding authors

^a Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

^b Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, China
E-mail: michael.guiver@outlook.com, zhyjiang@tju.edu.cn

^c State Key Laboratory of Separation Membranes and Membrane Processes, School of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China

^d Multi-discipline Research Division, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China

^e State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, China

Abstract

Ultrathin graphene oxide membranes using borate as both crosslinker of GO nanosheets and facilitated transport carrier of CO₂ are designed and fabricated. The membranes exhibited high CO₂ permeance up to 650 GPU and a CO₂/CH₄ selectivity of 75, due to the rational manipulation of the interlayer nanochannel size, sufficient facilitated transport carriers and high water content.

Energy & Environmental Science

A highly permeable graphene oxide membrane with fast and selective transport nanochannels for efficient carbon capture†

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