掺n石墨烯光电探测器的光伏响应

2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) Pub Date : 2012-03-05 DOI:10.1109/NEMS.2012.6196714

Wenrong Wang, Tie Li, Yuelin Wang

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引用次数: 2

摘要

本文在金属-石墨烯-金属结构的n掺杂石墨烯基光电探测器中发现了光伏响应。Raman和XPS光谱表明，在CVD体系中合成后，通过引入CH4和NH3，氮原子被掺杂到石墨烯中。随着I-V曲线的半导体行为，n掺杂石墨烯呈现出一个开放的带隙，在光激发下产生光电流。

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Photovoltaic response of N-doped graphene-based photodetector

In this paper, photovoltaic response has been found in an N-doped graphene based photodetector with metal-graphene-metal structure. Raman and XPS spectra indicate that nitrogen atoms are doped into the graphene after synthesized in a CVD system by introducing CH4 and NH3. With the semiconducting behavior of I-V curves, N-doping graphene exhibits an opened band-gap, which generates photocurrent under light excitation.

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来源期刊

2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)

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