Fast-Response Metal-Semiconductor-Metal Junction Ultraviolet Photodetector Based on ZnS:Mn Nanorod Networks via a Cost-Effective Method

被引：14

作者：

Saeed, Sara ^{[1
,2
]}

Dai, Rucheng ^{[3
]}

Janjua, Raheel Ahmed ^{[3
,4
]}

Huang, Da ^{[1
]}

Wang, He ^{[1
]}

Wang, Zhongping ^{[3
]}

Ding, Zejun ^{[1
,2
]}

Zhang, Zengming ^{[1
,2
,3
]}

机构：

[1] Univ Sci & Technol China, Dept Phys, Hefei 230026, Anhui, Peoples R China

[2] Univ Sci & Technol China, CAS Key Lab Strong Coupled Quantum Matter Phys, Hefei 230026, Anhui, Peoples R China

[3] Univ Sci & Technol China, Ctr Phys Expt, Hefei 230026, Peoples R China

[4] Zhejiang Univ, Coll Opt Sci & Engn, Natl Engn Res Ctr Opt Instruments, Hangzhou 310058, Peoples R China

来源：

ACS OMEGA | 2021年 / 6卷 / 48期

基金：

中国国家自然科学基金;

关键词：

EMISSION BANDS; NANOWIRES; TEMPERATURE; LUMINESCENCE; PERFORMANCE; TRANSITION; BEHAVIOR;

D O I：

10.1021/acsomega.1c04981

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this work, Mn2+-doped ZnS nanorods were synthesized by a facile hydrothermal method. The morphology, structure, and composition of the as-prepared samples were investigated. The temperature-dependent photoluminescence of ZnS:Mn nanorods was analyzed, and the corresponding activation energies were calculated by using a simple two-step rate equation. Mn2+-related orange emission (T-4(1) -> (6)A(1)) demonstrates high stability and is comparatively less affected by the temperature variations than the defect-related emission. A metal-semiconductor-metal junction ultraviolet photodetector based on the nanorod networks has been fabricated by a cost-effective method. The device exhibits visible blindness, superior ultraviolet photodetection with a responsivity of 1.62 A/W, and significantly fast photodetection response with the rise and decay times of 12 and 25 ms, respectively.

引用

页码：32930 / 32937

页数：8

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