Abstract

Single-layer graphene has received much attention because of its unique two-dimensional crystal structure and properties. In this review, we focus on the graphene devices in solution, and their properties that are relevant to chemical and biological applications. We will discuss their charge transport, controlled by electrochemical gates, interfacial and quantum capacitance, charged impurities, and surface potential distribution. The sensitive dependence of graphene charge transport on the surrounding environment points to their potential applications as ultrasensitive chemical sensors and biosensors. The interfacial and quantum capacitance studies are directly relevant to the on-going effort of creating graphene- ased ultracapacitors for energy storage.

Original languageEnglish (US)
Pages (from-to)2144-2153
Number of pages10
JournalChemistry - An Asian Journal
Volume5
Issue number10
DOIs
StatePublished - Oct 4 2010

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Graphite
Field effect transistors
Capacitance
Charge transfer
Chemical sensors
Biosensors
Energy storage
Biosensing Techniques
Crystal structure
Impurities
Equipment and Supplies

Keywords

  • Electrochemistry
  • Electron transport
  • Fieldeffect transistors
  • Graphene
  • Ultracapacitors

ASJC Scopus subject areas

  • Chemistry(all)
  • Medicine(all)

Cite this

Graphene field-effect transistors : Electrochemical gating, interfacial capacitance, and biosensing applications. / Chen, Fang; Qing, Quan; Xia, Jilin; Tao, Nongjian.

In: Chemistry - An Asian Journal, Vol. 5, No. 10, 04.10.2010, p. 2144-2153.

Research output: Contribution to journalArticle

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