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

Hyun Soo Kim, Jongyeop An, Byung Yang Lee

Research output: Contribution to journalArticle

Abstract

A composite structure of molybdenum disulfide (MoS 2 ) nanosheets and poly(N-isopropylacrylamide) (PNIPAM) hydrogel is demonstrated for the selective detection of phenols. The incorporation of MoS 2 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 MoS 2 . 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 languageEnglish
Article number1900021
JournalAdvanced Materials Technologies
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

Hydrogels
Nanosheets
Hydrogel
Molybdenum
Phenols
Phenol
Adsorption
Composite structures
Health
molybdenum disulfide
Water
Monitoring

Keywords

  • hydrogel
  • liquid metal
  • molybdenum disulfide
  • phenol detection

ASJC Scopus subject areas

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

Cite this

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abstract = "A composite structure of molybdenum disulfide (MoS 2 ) nanosheets and poly(N-isopropylacrylamide) (PNIPAM) hydrogel is demonstrated for the selective detection of phenols. The incorporation of MoS 2 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 MoS 2 . 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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AB - A composite structure of molybdenum disulfide (MoS 2 ) nanosheets and poly(N-isopropylacrylamide) (PNIPAM) hydrogel is demonstrated for the selective detection of phenols. The incorporation of MoS 2 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 MoS 2 . 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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