Ultrafast, Broadband Photodetector Based on MoSe(2)/Silicon Heterojunction with Vertically Standing Layered Structure Using Graphene as Transparent Electrode.

Ultrafast, Broadband Photodetector Based on MoSe(2)/Silicon Heterojunction with Vertically Standing Layered Structure Using Graphene as Transparent Electrode.
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DOI:
10.1002/advs.201600018
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发表时间:
2016-11
期刊:
影响因子:
15.1
通讯作者:
Jie, Jiansheng
Jie, Jiansheng
中科院分区:
材料科学1区
文献类型:
--
作者:
Mao, Jie;Yu, Yongqiang;Wang, Liu;Zhang, Xiujuan;Wang, Yuming;Shao, Zhibin;Jie, Jiansheng

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A MoSe2/Si heterojunction photodetector is constructed by depositing MoSe2 film with vertically standing layered structure on Si substrate. Graphene transparent electrode is utilized to further enhance the separation and transport of photogenerated carriers. The device shows excellent performance in terms of wide response spectrum of UV–visible–NIR, high detectivity of 7.13 × 1010 Jones, and ultrafast response speed of ≈270 ns, unveiling the great potential for the heterojunction for high‐performance optoelectronic devices.
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