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

Ultrathin graphene oxide membranes using borate as both crosslinker of GO nanosheets and facilitated transport carrier of CO 2 are designed and fabricated. The membranes exhibited high CO 2 permeance up to 650 GPU and a CO 2 /CH 4 selectivity of 75, due to the rational manipulation of the interlayer...

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Bibliographic Details
Published in:Energy & environmental science 2016-10, Vol.9 (1), p.317-3112
Main Authors: Wang, Shaofei, Wu, Yingzhen, Zhang, Ning, He, Guangwei, Xin, Qingping, Wu, Xingyu, Wu, Hong, Cao, Xingzhong, Guiver, Michael D, Jiang, Zhongyi
Format: Article
Language:English
Subjects:
Carbon dioxide
Carriers
Graphene
Membranes
Moisture content
Nanostructure
Oxides
Transport
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Summary:Ultrathin graphene oxide membranes using borate as both crosslinker of GO nanosheets and facilitated transport carrier of CO 2 are designed and fabricated. The membranes exhibited high CO 2 permeance up to 650 GPU and a CO 2 /CH 4 selectivity of 75, due to the rational manipulation of the interlayer nanochannel size, sufficient facilitated transport carriers and high water content. Tailored physicochemical microenvironments in stacked graphene oxide nanochannels give membranes with fast and highly selective CO 2 transport.
ISSN:1754-5692
1754-5706
DOI:10.1039/c6ee01984f