ZnO纳米棒/CdS量子点的制备及紫外-可见探测性能研究

胡轶; 胡更新; 张洁静; 桑丹丹; 李易昆; 高世勇

doi:10.3788/CO.20191206.1271

Volume 12 Issue 6

Dec. 2019

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Article Contents

Chinese Optics > 2019 > 12(6): 1271-1278.

HU Yi, HU Geng-xin, ZHANG Jie-jing, SANG Dan-dan, LI Yi-kun, GAO Shi-yong. Fabrication of ZnO nanorods/CdS quantum dots and its detection performance in UV-Visible waveband[J]. Chinese Optics, 2019, 12(6): 1271-1278. doi: 10.3788/CO.20191206.1271

Citation:

HU Yi, HU Geng-xin, ZHANG Jie-jing, SANG Dan-dan, LI Yi-kun, GAO Shi-yong. Fabrication of ZnO nanorods/CdS quantum dots and its detection performance in UV-Visible waveband[J]. Chinese Optics, 2019, 12(6): 1271-1278. doi: 10.3788/CO.20191206.1271

Citation:

HU Yi, HU Geng-xin, ZHANG Jie-jing, SANG Dan-dan, LI Yi-kun, GAO Shi-yong. Fabrication of ZnO nanorods/CdS quantum dots and its detection performance in UV-Visible waveband[J]. Chinese Optics, 2019, 12(6): 1271-1278. doi: 10.3788/CO.20191206.1271

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Fabrication of ZnO nanorods/CdS quantum dots and its detection performance in UV-Visible waveband

doi: 10.3788/CO.20191206.1271

1.
Department of Physical Chemistry, Taiyuan University, Taiyuan 030032, China
2.
School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
3.
School of Physical Science and Information Technology, Shandong Key Laboratory of Optical Communication Science and Technology, Liaocheng University, Liaocheng 252000, China

Funds:

Postdoctoral Science Foundation of Heilongjiang Province LBH-Q16104

Natural Science Foundation of Shandong Province ZR2017QA013

More Information

Corresponding author: GAO Shi-yong, E-mail:gaoshiyong@hit.edu.cn
Received Date: 29 Jan 2019
Rev Recd Date: 03 Mar 2019
Publish Date: 01 Dec 2019

Abstract

Abstract

ZnO nanorods were prepared on ITO substrate using the hydrothermal method and then CdS quantum dots were synthesized on the ZnO nanorods with the chemical bath deposition method. The morphologies and crystalline structure of the as-prepared samples were characterized by SEM and XRD, respectively. The results indicated that after the chemical bath deposition, spherical CdS quantum dots were evenly coated on the surface of ZnO nanorods with good crystalline quality. The photodetectors made up of ZnO nanorods and ZnO nanorods/CdS quantum dots showed good response under ultraviolet(UV) irradiation. The photocurrent of ZnO nanorods/CdS quantum dots detector(0.52 mA) was 7 times higher than that of ZnO nanorods. In addition, the photodetector based on ZnO nanorods/CdS quantum dots exhibited good response to green and blue light.
- ZnO nanorods,
- CdS quantum dots,
- heterostructure,
- UV photodetection,
- visible light photodetection

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References(28)

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