Nanosheet-templated graphene oxide membranes for fast molecule separation

Zhen Lin; Chuan Hu; Qinglin Liu; Qiugen Zhang

doi:10.1002/aic.17818

Nanosheet-templated graphene oxide membranes for fast molecule separation

Zhen Lin
, Chuan Hu
, Qinglin Liu
, Qiugen Zhang^*

^*Corresponding author for this work

Xiamen University

Research output: Contribution to journal › Article › Scientific › peer-review

4 Citations (Scopus)

Abstract

Intercalated laminar membrane with controllable interlayer spacing (d-spacing) is one of the most effective membranes for fast molecule separation. In this work, we demonstrate a versatile strategy to create nanosheet-templated water channels in laminar graphene oxide (GO) membranes. The 1.2 nm-thick nickel hydroxide nanosheets as sacrificed intercalators provide a chance to control the d-spacing. The resultant membranes have controllable channels and exhibit over six times higher water permeance than the unintercalated membrane. The 880 nm-thick nanosheet-templated GO (NST-GO) membrane has accurate d-spacing of about 1.14 nm and shows high water permeance of 120.3 L m⁻² h⁻¹ bar⁻¹ and good molecule separation property, reflecting in high rejection for larger dyes (90.1% for erythrosine B [EB]), while low rejection for smaller dyes (58.3% for methylene blue [MB]). Furthermore, this strategy of intercalating and sacrificing nanosheets has higher potential than traditional intercalation in controlling d-spacing of laminar membranes.

Original language	English
Article number	17818
Journal	AIChE Journal
Volume	68
Issue number	11
Early online date	4 Jul 2022
DOIs	https://doi.org/10.1002/aic.17818
Publication status	Published - Nov 2022
MoE publication type	A1 Journal article-refereed

Funding

National Nature Science Foundation of China, Grant/Award Numbers: 21878253, 22178292, 21736009; Science and Technology Planning Project of Fujian Province of China, Grant/Award Number: 2020H0003; Science and Technology Planning Project of Xiamen City of China, Grant/Award Number: 3502Z20206050 Funding information

Keywords

d-spacing control
laminar membrane
molecule separation
nanosheet-templated membrane
sacrificed intercalator

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10.1002/aic.17818

https://www.authorea.com/users/463691/articles/558725-nanosheet-templated-graphene-oxide-membranes-for-fast-molecule-separation

Cite this

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title = "Nanosheet-templated graphene oxide membranes for fast molecule separation",

abstract = "Intercalated laminar membrane with controllable interlayer spacing (d-spacing) is one of the most effective membranes for fast molecule separation. In this work, we demonstrate a versatile strategy to create nanosheet-templated water channels in laminar graphene oxide (GO) membranes. The 1.2 nm-thick nickel hydroxide nanosheets as sacrificed intercalators provide a chance to control the d-spacing. The resultant membranes have controllable channels and exhibit over six times higher water permeance than the unintercalated membrane. The 880 nm-thick nanosheet-templated GO (NST-GO) membrane has accurate d-spacing of about 1.14 nm and shows high water permeance of 120.3 L m−2 h−1 bar−1 and good molecule separation property, reflecting in high rejection for larger dyes (90.1\% for erythrosine B [EB]), while low rejection for smaller dyes (58.3\% for methylene blue [MB]). Furthermore, this strategy of intercalating and sacrificing nanosheets has higher potential than traditional intercalation in controlling d-spacing of laminar membranes.",

keywords = "d-spacing control, laminar membrane, molecule separation, nanosheet-templated membrane, sacrificed intercalator",

author = "Zhen Lin and Chuan Hu and Qinglin Liu and Qiugen Zhang",

note = "Funding Information: National Nature Science Foundation of China, Grant/Award Numbers: 21878253, 22178292, 21736009; Science and Technology Planning Project of Fujian Province of China, Grant/Award Number: 2020H0003; Science and Technology Planning Project of Xiamen City of China, Grant/Award Number: 3502Z20206050 Funding information Publisher Copyright: {\textcopyright} 2022 American Institute of Chemical Engineers.",

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T1 - Nanosheet-templated graphene oxide membranes for fast molecule separation

AU - Lin, Zhen

AU - Hu, Chuan

AU - Liu, Qinglin

AU - Zhang, Qiugen

N1 - Funding Information: National Nature Science Foundation of China, Grant/Award Numbers: 21878253, 22178292, 21736009; Science and Technology Planning Project of Fujian Province of China, Grant/Award Number: 2020H0003; Science and Technology Planning Project of Xiamen City of China, Grant/Award Number: 3502Z20206050 Funding information Publisher Copyright: © 2022 American Institute of Chemical Engineers.

PY - 2022/11

Y1 - 2022/11

N2 - Intercalated laminar membrane with controllable interlayer spacing (d-spacing) is one of the most effective membranes for fast molecule separation. In this work, we demonstrate a versatile strategy to create nanosheet-templated water channels in laminar graphene oxide (GO) membranes. The 1.2 nm-thick nickel hydroxide nanosheets as sacrificed intercalators provide a chance to control the d-spacing. The resultant membranes have controllable channels and exhibit over six times higher water permeance than the unintercalated membrane. The 880 nm-thick nanosheet-templated GO (NST-GO) membrane has accurate d-spacing of about 1.14 nm and shows high water permeance of 120.3 L m−2 h−1 bar−1 and good molecule separation property, reflecting in high rejection for larger dyes (90.1% for erythrosine B [EB]), while low rejection for smaller dyes (58.3% for methylene blue [MB]). Furthermore, this strategy of intercalating and sacrificing nanosheets has higher potential than traditional intercalation in controlling d-spacing of laminar membranes.

AB - Intercalated laminar membrane with controllable interlayer spacing (d-spacing) is one of the most effective membranes for fast molecule separation. In this work, we demonstrate a versatile strategy to create nanosheet-templated water channels in laminar graphene oxide (GO) membranes. The 1.2 nm-thick nickel hydroxide nanosheets as sacrificed intercalators provide a chance to control the d-spacing. The resultant membranes have controllable channels and exhibit over six times higher water permeance than the unintercalated membrane. The 880 nm-thick nanosheet-templated GO (NST-GO) membrane has accurate d-spacing of about 1.14 nm and shows high water permeance of 120.3 L m−2 h−1 bar−1 and good molecule separation property, reflecting in high rejection for larger dyes (90.1% for erythrosine B [EB]), while low rejection for smaller dyes (58.3% for methylene blue [MB]). Furthermore, this strategy of intercalating and sacrificing nanosheets has higher potential than traditional intercalation in controlling d-spacing of laminar membranes.

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KW - nanosheet-templated membrane

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Nanosheet-templated graphene oxide membranes for fast molecule separation

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