Control of Volume-Responsive Properties of Hydrogels through Molybdenum Disulfide Nanosheet Incorporation

Hyun Soo Kim; Jongyeop An; Byung Yang Lee

doi:10.1002/admt.201900021

Control of Volume-Responsive Properties of Hydrogels through Molybdenum Disulfide Nanosheet Incorporation

Hyun Soo Kim, Jongyeop An, Byung Yang Lee

School of Mechanical Engineering

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

2 Citations (Scopus)

Abstract

A composite structure of molybdenum disulfide (MoS₂) nanosheets and poly(N-isopropylacrylamide) (PNIPAM) hydrogel is demonstrated for the selective detection of phenols. The incorporation of MoS₂ with a hydrogel system enhances its adsorption and its volume-change response to phenols. It is verified that the phenol detection range can be adjusted by controlling the adsorption and responsivity of the MBAMS–PNIPAM hydrogel through the amount of incorporated MoS₂. This in situ detection system detects phenol concentrations below US health exposure limits. It is expected that it will expedite the development of hydrogel-based monitoring of water-soluble substances.

Original language	English
Article number	1900021
Journal	Advanced Materials Technologies
Volume	4
Issue number	8
DOIs	https://doi.org/10.1002/admt.201900021
Publication status	Published - 2019 Aug

Keywords

hydrogel
liquid metal
molybdenum disulfide
phenol detection

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Industrial and Manufacturing Engineering

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10.1002/admt.201900021

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title = "Control of Volume-Responsive Properties of Hydrogels through Molybdenum Disulfide Nanosheet Incorporation",

abstract = "A composite structure of molybdenum disulfide (MoS2) nanosheets and poly(N-isopropylacrylamide) (PNIPAM) hydrogel is demonstrated for the selective detection of phenols. The incorporation of MoS2 with a hydrogel system enhances its adsorption and its volume-change response to phenols. It is verified that the phenol detection range can be adjusted by controlling the adsorption and responsivity of the MBAMS–PNIPAM hydrogel through the amount of incorporated MoS2. This in situ detection system detects phenol concentrations below US health exposure limits. It is expected that it will expedite the development of hydrogel-based monitoring of water-soluble substances.",

keywords = "hydrogel, liquid metal, molybdenum disulfide, phenol detection",

author = "Kim, {Hyun Soo} and Jongyeop An and Lee, {Byung Yang}",

note = "Funding Information: This project was supported by the National Research Foundation (2016M3A7B4909581 and 2018R1A1B2006640), and Global Frontier Project (CISS-2011-0031866) funded by the Ministry of Science ICT and Future Planning.",

year = "2019",

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language = "English",

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AU - Kim, Hyun Soo

AU - An, Jongyeop

AU - Lee, Byung Yang

N1 - Funding Information: This project was supported by the National Research Foundation (2016M3A7B4909581 and 2018R1A1B2006640), and Global Frontier Project (CISS-2011-0031866) funded by the Ministry of Science ICT and Future Planning.

PY - 2019/8

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N2 - A composite structure of molybdenum disulfide (MoS2) nanosheets and poly(N-isopropylacrylamide) (PNIPAM) hydrogel is demonstrated for the selective detection of phenols. The incorporation of MoS2 with a hydrogel system enhances its adsorption and its volume-change response to phenols. It is verified that the phenol detection range can be adjusted by controlling the adsorption and responsivity of the MBAMS–PNIPAM hydrogel through the amount of incorporated MoS2. This in situ detection system detects phenol concentrations below US health exposure limits. It is expected that it will expedite the development of hydrogel-based monitoring of water-soluble substances.

AB - A composite structure of molybdenum disulfide (MoS2) nanosheets and poly(N-isopropylacrylamide) (PNIPAM) hydrogel is demonstrated for the selective detection of phenols. The incorporation of MoS2 with a hydrogel system enhances its adsorption and its volume-change response to phenols. It is verified that the phenol detection range can be adjusted by controlling the adsorption and responsivity of the MBAMS–PNIPAM hydrogel through the amount of incorporated MoS2. This in situ detection system detects phenol concentrations below US health exposure limits. It is expected that it will expedite the development of hydrogel-based monitoring of water-soluble substances.

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KW - molybdenum disulfide

KW - phenol detection

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