Design of a Surface Plasmon Resonance-Enhanced ZnO Ultraviolet Photodetector Based on a Sub-wavelength Metal Grating Covered with a High-Refractive-Index Medium

doi:10.1007/s11664-020-08003-2

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	Design of a Surface Plasmon Resonance-Enhanced ZnO Ultraviolet Photodetector Based on a Sub-wavelength Metal Grating Covered with a High-Refractive-Index Medium
	J. Yu,H. J. Men,J. W. Zhang,X. W. Zhang and N. Tian
	2020
发表期刊	Journal of Electronic Materials
ISSN	0361-5235
卷号	49 期号:8 页码:4469-4473
摘要	To realize a surface plasmon resonance-enhanced zinc oxide (ZnO) ultraviolet photodetector based on a sub-wavelength metal grating, we take advantage of the sensitivity of the resonance condition of a sub-wavelength metal grating to the refractive index of the surrounding medium. We theoretically design a sub-wavelength Ag grating covered with a high-refractive-index medium layer and apply it to a ZnO ultraviolet photodetector. By optimizing the parameters (angle of incidence, grating period, grating spacing, grating thickness, high-refractive-index medium layer thickness, refractive index of the covering), the optical field is localized at the interface of the sub-wavelength Ag grating and the ZnO thin film; that is, surface plasmon resonance is realized within the device. Compared with the device without a high-refractive-index medium layer, the maximum absorption enhancement factor of the designed device can reach up to 108. This work will provide theoretical guidance to realize a surface plasmon resonance-enhanced ZnO ultraviolet photodetector with a sub-wavelength metal grating.
DOI	10.1007/s11664-020-08003-2
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收录类别	SCI ; EI
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/64422
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	J. Yu,H. J. Men,J. W. Zhang,X. W. Zhang and N. Tian. Design of a Surface Plasmon Resonance-Enhanced ZnO Ultraviolet Photodetector Based on a Sub-wavelength Metal Grating Covered with a High-Refractive-Index Medium[J]. Journal of Electronic Materials,2020,49(8):4469-4473.
APA	J. Yu,H. J. Men,J. W. Zhang,X. W. Zhang and N. Tian.(2020).Design of a Surface Plasmon Resonance-Enhanced ZnO Ultraviolet Photodetector Based on a Sub-wavelength Metal Grating Covered with a High-Refractive-Index Medium.Journal of Electronic Materials,49(8),4469-4473.
MLA	J. Yu,H. J. Men,J. W. Zhang,X. W. Zhang and N. Tian."Design of a Surface Plasmon Resonance-Enhanced ZnO Ultraviolet Photodetector Based on a Sub-wavelength Metal Grating Covered with a High-Refractive-Index Medium".Journal of Electronic Materials 49.8(2020):4469-4473.

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