Volume 12 Issue 6
Dec.  2019
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Article Contents
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

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

doi: 10.3788/CO.20191206.1271
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
  • 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.

     

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