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Appl. Sci. 2018, 8(7), 1118;

Research Progress of Gas Sensor Based on Graphene and Its Derivatives: A Review

School of Electro-Mechanical Engineering, Xidian University, Number 2 Taibai South Road, Xi’an 710071, China
Author to whom correspondence should be addressed.
Received: 21 May 2018 / Revised: 30 June 2018 / Accepted: 4 July 2018 / Published: 11 July 2018
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Gas sensors are devices that convert a gas volume fraction into electrical signals, and they are widely used in many fields such as environmental monitoring. Graphene is a new type of two-dimensional crystal material that has many excellent properties including large specific surface area, high conductivity, and high Young’s modulus. These features make it ideally suitable for application for gas sensors. In this paper, the main characteristics of gas sensor are firstly introduced, followed by the preparation methods and properties of graphene. In addition, the development process and the state of graphene gas sensors are introduced emphatically in terms of structure and performance of the sensor. The emergence of new candidates including graphene, polymer and metal/metal oxide composite enhances the performance of gas detection significantly. Finally, the clear direction of graphene gas sensors for the future is provided according to the latest research results and trends. It provides direction and ideas for future research. View Full-Text
Keywords: graphene; gas sensor; sensitive; response time; composite; synthesis graphene; gas sensor; sensitive; response time; composite; synthesis

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Tian, W.; Liu, X.; Yu, W. Research Progress of Gas Sensor Based on Graphene and Its Derivatives: A Review. Appl. Sci. 2018, 8, 1118.

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