Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/34416
Title: Solution-gated graphene transistors for chemical and biological sensors
Authors: Yan, F 
Zhang, M
Li, J
Issue Date: 2014
Source: Advanced healthcare materials, 2014, v. 3, no. 3, p. 313-331
Abstract: Graphene has attracted much attention in biomedical applications for its fascinating properties. Because of the well-known 2D structure, every atom of graphene is exposed to the environment, so the electronic properties of graphene are very sensitive to charged analytes (ions, DNA, cells, etc.) or an electric field around it, which renders graphene an ideal material for high-performance sensors. Solution-gated graphene transistors (SGGTs) can operate in electrolytes and are thus excellent candidates for chemical and biological sensors, which have been extensively studied in the recent 5 years. Here, the device physics, the sensing mechanisms, and the performance of the recently developed SGGT-based chemical and biological sensors, including pH, ion, cell, bacterial, DNA, protein, glucose sensors, etc., are introduced. Their advantages and shortcomings, in comparison with some conventional techniques, are discussed. Conclusions and challenges for the future development of the field are addressed in the end.
Keywords: Biosensors
Chemical sensors
Graphene
Transistors
Publisher: Wiley-VCH
Journal: Advanced healthcare materials 
ISSN: 2192-2640
EISSN: 2192-2659
DOI: 10.1002/adhm.201300221
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