3D Graphene-based macro-mesoporous frameworks as enzymatic electrodes

Ling Shen, Jie Ying, Lei Ren, Yao Yao, Yi Lu, Ying Dong, Ge Tian, Xiao Yu Yang, Bao Lian Su

Research output: Contribution to journalArticle

Abstract

An efficient method was developed to fabricate three-dimensional (3D) graphene-based nanomaterials with hierarchical macro-mesoporous structures as novel enzymatic electrode materials. The 3D continuously interconnected macropores were generated by hydrothermal self-assembly of graphene oxide sheets to form 3D graphene-based frameworks, and uniform mesopores on the surface of graphene frameworks were obtained by replicating the previously synthesized mesoporous silica. Due to the integration of macropores that can promote the efficiency of mass transfer, and mesopores that can facilitate enzyme immobilization and electron transfer, the unique 3D graphene-based macro-mesoporous frameworks with narrow mesopore size distribution, large surface area and high electrical conductivity can be applied as an excellent platform to immobilize glucose oxidase as enzymatic electrodes, displaying enhanced glucose-sensing properties. This approach can be utilized to fabricate various 3D hierarchical macro-mesoporous nanomaterials for application in a broad range of sensors, supercapacitors, batteries and catalysis.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalJournal of Physics and Chemistry of Solids
Volume130
DOIs
Publication statusPublished - 1 Jul 2019

Fingerprint

Graphite
Graphene
Macros
graphene
Electrodes
electrodes
Nanostructured materials
glucose
Enzyme immobilization
Glucose Oxidase
Glucose oxidase
oxidase
electrochemical capacitors
electrode materials
immobilization
Silicon Dioxide
Self assembly
Oxides
Catalysis
mass transfer

Keywords

  • 3D graphene
  • Electrochemical properties
  • Glucose oxidase
  • Hierarchical carbon materials
  • Macro-mesoporous nanostructures

Cite this

Shen, Ling ; Ying, Jie ; Ren, Lei ; Yao, Yao ; Lu, Yi ; Dong, Ying ; Tian, Ge ; Yang, Xiao Yu ; Su, Bao Lian. / 3D Graphene-based macro-mesoporous frameworks as enzymatic electrodes. In: Journal of Physics and Chemistry of Solids. 2019 ; Vol. 130. pp. 1-5.
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3D Graphene-based macro-mesoporous frameworks as enzymatic electrodes. / Shen, Ling; Ying, Jie; Ren, Lei; Yao, Yao; Lu, Yi; Dong, Ying; Tian, Ge; Yang, Xiao Yu; Su, Bao Lian.

In: Journal of Physics and Chemistry of Solids, Vol. 130, 01.07.2019, p. 1-5.

Research output: Contribution to journalArticle

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AU - Tian, Ge

AU - Yang, Xiao Yu

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