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Sensors 2018, 18(4), 941;

Optical Graphene Gas Sensors Based on Microfibers: A Review

Fiber Optics Research Centre, Key Laboratory of Optical Fiber Sensing and Communications (Education Ministry of China), University of Electronic Science and Technology of China, Chengdu 610054, China
Authors to whom correspondence should be addressed.
Received: 31 December 2017 / Revised: 25 January 2018 / Accepted: 3 February 2018 / Published: 22 March 2018
(This article belongs to the Special Issue Optical Sensors based on Micro/Nanofibres)
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Graphene has become a bridge across optoelectronics, mechanics, and bio-chemical sensing due to its unique photoelectric characteristics. Moreover, benefiting from its two-dimensional nature, this atomically thick film with full flexibility has been widely incorporated with optical waveguides such as fibers, realizing novel photonic devices including polarizers, lasers, and sensors. Among the graphene-based optical devices, sensor is one of the most important branch, especially for gas sensing, as rapid progress has been made in both sensing structures and devices in recent years. This article presents a comprehensive and systematic overview of graphene-based microfiber gas sensors regarding many aspects including sensing principles, properties, fabrication, interrogating and implementations. View Full-Text
Keywords: microfiber; graphene; highly sensitive; gas sensors microfiber; graphene; highly sensitive; gas sensors

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Wu, Y.; Yao, B.; Yu, C.; Rao, Y. Optical Graphene Gas Sensors Based on Microfibers: A Review. Sensors 2018, 18, 941.

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