Significant Enhancement of MgZnO Metal-Semiconductor-Metal Photodetectors via Coupling with Pt Nanoparticle Surface Plasmons

被引：19

作者：

Guo, Zexuan ^{[1
]}

Jiang, Dayong ^{[1
]}

Hu, Nan ^{[1
]}

Yang, Xiaojiang ^{[1
]}

Zhang, Wei ^{[1
]}

Duan, Yuhan ^{[2
]}

Gao, Shang ^{[1
]}

Liang, Qingcheng ^{[1
]}

Zheng, Tao ^{[1
]}

Lv, Jingwen ^{[1
]}

机构：

[1] Changchun Univ Sci & Technol, Sch Mat Sci & Engn, Changchun 130022, Jilin, Peoples R China

[2] Harbin Inst Technol, Res Ctr Space Opt Engn, Harbin 150001, Heilongjiang, Peoples R China

来源：

NANOSCALE RESEARCH LETTERS | 2018年 / 13卷

基金：

中国国家自然科学基金;

关键词：

MgZnO film; Ultraviolet photodetector; SPs; Electrode spacing; ULTRAVIOLET PHOTODETECTOR; ZNO; RESONANCE; EMISSION;

D O I：

10.1186/s11671-018-2573-7

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We proposed and demonstrated MgZnO metal-semiconductor-metal (MSM) ultraviolet photodetectors (UV) assisted with surface plasmons (SPs) prepared by the radio frequency magnetron sputtering deposition method. After the decoration of their surface with Pt nanoparticles (NPs), the responsivity of all the electrode spacing (3, 5, and 8 mu m) photodetectors were enhanced dramatically; to our surprise, comparing with them the responsivity of larger spacing sample, more SPs were gathered which are smaller than others in turn. A physical mechanism focused on SPs and depletion width is given to explain the above results.

引用

页数：6

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