Wu Yu, Yao Baicheng, Yu Caibin, Rao Yunjiang
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.
Sensors (Basel). 2018 Mar 22;18(4):941. doi: 10.3390/s18040941.
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.
由于其独特的光电特性，石墨烯已成为跨越光电子学、力学和生化传感的桥梁。此外，得益于其二维特性，这种具有完全柔韧性的原子级薄膜已广泛与光纤等光波导结合，实现了包括偏振器、激光器和传感器在内的新型光子器件。在基于石墨烯的光学器件中，传感器是最重要的分支之一，特别是在气体传感方面，近年来传感结构和器件都取得了快速进展。本文从传感原理、特性、制造、检测和应用等多个方面，对基于石墨烯的微纤维气体传感器进行了全面系统的综述。
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