Performance Enhancement of Graphene Photodetectors via In Situ Preparation of TiO2 on Graphene Channels

Chuantong Cheng
Chuantong Cheng
Hongru Yang
Hongru Yang
Hongru Yang
Hongru Yang
Huan Zhang
Huan Zhang
Hui Fan
Hui Fan
Xingfei Zhang
Xingfei Zhang
Xiaowei Yang
Xiaowei Yang

ADVANCED MATERIALS TECHNOLOGIES, pp. 18005482019.

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Abstract:

Graphene has been considered a promising material for high-performance photodetectors due to its broad light-absorption bandwidth and fast photoresponse time. However, weak light absorption (2.3%) in monolayer graphene results in the relatively low photoresponsivity of graphene photodetectors (GPDs). Moreover, the operation stability of G...More

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