Ultrafast H2-selective nanoporous multilayer graphene membrane prepared by confined thermal annealing

Jeong Pil Kim; Eunji Choi; Junhyeok Kang; Seung Eun Choi; Yunkyu Choi; Ohchan Kwon; Dae Woo Kim

doi:10.1039/D1CC02946K

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Ultrafast H₂-selective nanoporous multilayer graphene membrane prepared by confined thermal annealing†

Jeong Pil Kim,^a Eunji Choi,^a Junhyeok Kang,^a Seung Eun Choi,^a Yunkyu Choi,^a Ohchan Kwon^a and Dae Woo Kim

*^a

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* Corresponding authors

^a Department of Chemical and Biomolecular Engineering, Yonsei University, Yonsei-ro 50, Seodaemun-gu, Seoul 120-749, Republic of Korea
E-mail: audw1105@yonsei.ac.kr

Abstract

H₂ selective dense pores are generated in a graphene oxide (GO) layer by thermal-decomposition of oxygen-functional groups under high pressure. The nanoporous GO membrane shows H₂/CO₂ selectivity of 12.1 and H₂ permeability of 10360 Barrer.

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Article information

DOI: https://doi.org/10.1039/D1CC02946K
Article type: Communication
Submitted: 04 Jun 2021
Accepted: 02 Aug 2021
First published: 02 Aug 2021

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Chem. Commun., 2021,57, 8730-8733

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Ultrafast H₂-selective nanoporous multilayer graphene membrane prepared by confined thermal annealing

J. P. Kim, E. Choi, J. Kang, S. E. Choi, Y. Choi, O. Kwon and D. W. Kim, Chem. Commun., 2021, 57, 8730 DOI: 10.1039/D1CC02946K

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Chemical Communications