Thermoresponsive Graphene Membranes with Reversible Gating Regularity for Smart Fluid Control

Jingchong Liu, Lijuan Yu, Guichu Yue, Nü Wang, Zhimin Cui, Lanlan Hou, Jihao Li, Qingzhong Li, Amir Karton, Qunfeng Cheng, Lei Jiang, Yong Zhao

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Precisely regulating water and molecule permeation through membranes is of crucial significance in broad domains such as water filtration and smart reactors. Comparing with routine stiff membranes, stimuli-response polymers endow porous membranes with various gating properties, but most of these membranes have only one-way gating performance, that is, either positive or negative. Here poly(N-isopropylacrylamide) (PNIPAM) grafted graphene oxide (GO) membranes with reversible positive/negative gating regularity are constructed by simply tuning the molecule grafting density. The water and small molecule permeance of the membranes can be regulated by adjusting environment temperature. Based on this tunable thermoresponsive gating regularity, a bidirectional fluidic controlling system is designed by integrating a positive membrane and a negative membrane, which can be employed as a self-adaptive gating reactor. This strategy provides an insight into constructing smart gating membranes with extraordinary properties, showing promising applications in micro/nanofluidic valves and temperature sensitive biochemical reactors.

Original languageEnglish
Article number1808501
JournalAdvanced Functional Materials
Volume29
Issue number12
DOIs
Publication statusPublished - 21 Mar 2019

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Graphite
regularity
Graphene
graphene
membranes
Membranes
Fluids
fluids
reactors
Molecules
Water filtration
Nanofluidics
water
molecules
Water
fluidics
Fluidics
Permeation
stimuli
Oxides

Cite this

Liu, Jingchong ; Yu, Lijuan ; Yue, Guichu ; Wang, Nü ; Cui, Zhimin ; Hou, Lanlan ; Li, Jihao ; Li, Qingzhong ; Karton, Amir ; Cheng, Qunfeng ; Jiang, Lei ; Zhao, Yong. / Thermoresponsive Graphene Membranes with Reversible Gating Regularity for Smart Fluid Control. In: Advanced Functional Materials. 2019 ; Vol. 29, No. 12.
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abstract = "Precisely regulating water and molecule permeation through membranes is of crucial significance in broad domains such as water filtration and smart reactors. Comparing with routine stiff membranes, stimuli-response polymers endow porous membranes with various gating properties, but most of these membranes have only one-way gating performance, that is, either positive or negative. Here poly(N-isopropylacrylamide) (PNIPAM) grafted graphene oxide (GO) membranes with reversible positive/negative gating regularity are constructed by simply tuning the molecule grafting density. The water and small molecule permeance of the membranes can be regulated by adjusting environment temperature. Based on this tunable thermoresponsive gating regularity, a bidirectional fluidic controlling system is designed by integrating a positive membrane and a negative membrane, which can be employed as a self-adaptive gating reactor. This strategy provides an insight into constructing smart gating membranes with extraordinary properties, showing promising applications in micro/nanofluidic valves and temperature sensitive biochemical reactors.",
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author = "Jingchong Liu and Lijuan Yu and Guichu Yue and N{\"u} Wang and Zhimin Cui and Lanlan Hou and Jihao Li and Qingzhong Li and Amir Karton and Qunfeng Cheng and Lei Jiang and Yong Zhao",
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Liu, J, Yu, L, Yue, G, Wang, N, Cui, Z, Hou, L, Li, J, Li, Q, Karton, A, Cheng, Q, Jiang, L & Zhao, Y 2019, 'Thermoresponsive Graphene Membranes with Reversible Gating Regularity for Smart Fluid Control' Advanced Functional Materials, vol. 29, no. 12, 1808501. https://doi.org/10.1002/adfm.201808501

Thermoresponsive Graphene Membranes with Reversible Gating Regularity for Smart Fluid Control. / Liu, Jingchong; Yu, Lijuan; Yue, Guichu; Wang, Nü; Cui, Zhimin; Hou, Lanlan; Li, Jihao; Li, Qingzhong; Karton, Amir; Cheng, Qunfeng; Jiang, Lei; Zhao, Yong.

In: Advanced Functional Materials, Vol. 29, No. 12, 1808501, 21.03.2019.

Research output: Contribution to journalArticle

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AU - Yu, Lijuan

AU - Yue, Guichu

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AU - Cui, Zhimin

AU - Hou, Lanlan

AU - Li, Jihao

AU - Li, Qingzhong

AU - Karton, Amir

AU - Cheng, Qunfeng

AU - Jiang, Lei

AU - Zhao, Yong

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N2 - Precisely regulating water and molecule permeation through membranes is of crucial significance in broad domains such as water filtration and smart reactors. Comparing with routine stiff membranes, stimuli-response polymers endow porous membranes with various gating properties, but most of these membranes have only one-way gating performance, that is, either positive or negative. Here poly(N-isopropylacrylamide) (PNIPAM) grafted graphene oxide (GO) membranes with reversible positive/negative gating regularity are constructed by simply tuning the molecule grafting density. The water and small molecule permeance of the membranes can be regulated by adjusting environment temperature. Based on this tunable thermoresponsive gating regularity, a bidirectional fluidic controlling system is designed by integrating a positive membrane and a negative membrane, which can be employed as a self-adaptive gating reactor. This strategy provides an insight into constructing smart gating membranes with extraordinary properties, showing promising applications in micro/nanofluidic valves and temperature sensitive biochemical reactors.

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