个人信息Personal information
- 硕士生导师
- 教师英文名称：Wang Jena
- 教师拼音名称：Wang Li
- 出生日期：1977-12-05
- 所在单位：电子科学系
- 学历：研究生(博士)毕业
- 性别：女
- 学位：博士学位
- 职称：副教授
- 毕业院校：中国科学院固体物理研究所
- 所属院系：微电子学院
- 学科：微电子学与固体电子学
论文成果
Dual-Plasmonic Au/Graphene/Au-Enhanced Ultrafast, Broadband, Self-Driven Silicon Schottky Photodetector
发布时间：2018-10-25 点击次数：
影响因子：3.5
DOI码：10.1088/1361-6528/aae360
发表刊物：Nanotechnology
关键字：graphene;localized surface plasmon resonance;photodetectorhot electrons;fast response speed
摘要：High-performance photodetectors are desirable for various applications, including multi-wavelength image sensing, communication, and safety monitoring. In this study, we report the construction of a dual-surface plasmon-enhanced silicon Schottky photodetector using Au nanoparticles (NPs)/graphene/Au NPs hybrid structure as the electrode. It was found that the asassembled device exhibited broad sensitivity, ranging from ultraviolet to near-infrared light (360-1330 nm) at room temperature, with a high response speed of 360 ns and a 3 dB bandwidth of 780 kHz at zero bias. Further theoretical simulation based on the finite-element method revealed that good device performance is associated with the contribution of the Au NPs/graphene/Au NPs electrode: intense dual-plasmonic resonance coupling is induced in a hybrid structure of two layers of metallic NPs separated by a uniform monolayer graphene. It not only can enhance light trapping and the localized electric field at the resonant and off-resonant wavelength regions, but is also beneficial for the tunneling of hot electrons. This work demonstrated the great potential of dual-plasmonic resonance coupling in optoelectronic devices and will lead to the development of advanced plasmonic devices.
合写作者：Shu-Juan He, Kui-Yuan Wang, He-Hao Luo, Ji-Gang Hu, Yong-Qiang Yu, Chao Xie, Chun-Yan Wu, Lin-Bao Luo
第一作者：Li Wang
通讯作者：Ji-Gang Hu, Lin-Bao Luo
文献类型：Article
卷号：29
期号：50
ISSN号：0957-4484
是否译文：否
发表时间：2018-12-14