Hydrothermal Synthesis of Single-Crystalline Ag-Doped ZnO Nanoneedles for Ultraviolet Detection

被引：2

作者：

Xu, Min ^{[1
,2
,3
]}

Yuan, Zhaolin ^{[1
,2
,3
]}

Wang, Biyi ^{[2
]}

Nie, Fengjun ^{[4
]}

He, Jianfeng ^{[1
,3
]}

Wang, Xueyuan ^{[1
,3
]}

Xu, Nengchang ^{[1
,3
]}

机构：

[1] East China Univ Technol, Jiangxi Engn Lab Radioact Geosci & Big Data Techn, Nanchang 330013, Jiangxi, Peoples R China

[2] Sci & Technol Electroopt Informat Secur Control L, Tianjin 300308, Peoples R China

[3] East China Univ Technol, Sch Software & Informat Engn, Nanchang 330013, Jiangxi, Peoples R China

[4] East China Univ Technol, Sch Earth Sci, Nanchang 330013, Jiangxi, Peoples R China

来源：

JOURNAL OF ELECTRONIC MATERIALS | 2022年 / 51卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Ag-doped ZnO nanoneedles; hydrothermal synthesis; morphology; ultraviolet photodetector; CHEMICAL BATH DEPOSITION; PHOTODETECTOR; NANORODS; RESPONSIVITY; NANOWIRES;

D O I：

10.1007/s11664-022-09931-x

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, Ag-doped zinc oxide (ZnO:Ag) nanoneedles (NNs) were synthesized by using a low-cost and facile hydrothermal method. The structure, morphology and optical properties of ZnO:Ag NNs were first investigated in detail. We observed a large number of needle-like ZnO:Ag rods with a top diameter in the range of 70-90 nm. The ZnO:Ag NNs were single-crystalline ZnO with hexagonal wurtzite structure. Furthermore, an ultraviolet photodetector (UV PD) was prepared using the ZnO:Ag NNs as a photoactive layer. The device exhibited excellent response to 365 nm light, and its responsivity, photosensitivity and response time were 24.64 A W-1 at 5 V, 58.42 at 0.5 V and 9.58 s, respectively. Also, the performance of ZnO:Ag NN UV PD was much better than that of the undoped ZnO PD, which was attributed to the improved electrical properties of ZnO NNs after Ag doping.

引用

页码：7020 / 7027

页数：8

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