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Investigation of Crystallized ZnSnO3 Nanoparticles for Ultraviolet Photodetectors

Title
Investigation of Crystallized ZnSnO3 Nanoparticles for Ultraviolet Photodetectors
Author
박진섭
Keywords
ZTO; Nanoparticle; Photodetector
Issue Date
2016-10
Publisher
AMER SCIENTIFIC PUBLISHERS
Citation
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v. 16, NO 10, Page. 10272-10275
Abstract
ZnSnO3 (ZTO) nanoparticles synthesized by a sol-gel method were spin-coated on p-Si substrates for the fabrication of UV photodetectors. After annealing the ZTO nanoparticles at 500 degrees C for 20 min, the ZTO films were crystallized in a pure N-2 atmosphere; film formation was confirmed by X-ray diffraction (XRD) and scanning electron microscopy (SEM). From the photoluminescence measurement results, the crystallized ZTO films show the strongest emission peak at a wavelength of 381 nm (3.25 eV) with a full width at half maximum of 121 meV at room temperature. In order to show the UV-response of our samples, time-dependent photocurrents were observed. The crystallized ZTO films show a transient photocurrent curve and a decay time of 1.29 s, which indicates that crystallized ZTO nanoparticles can be used for UV photodetectors.
URI
https://www.ingentaconnect.com/content/asp/jnn/2016/00000016/00000010/art00021%3bjsessionid=8b56bmy4b9w8.x-ic-live-02https://repository.hanyang.ac.kr/handle/20.500.11754/100569
ISSN
1533-4880; 1533-4899
DOI
10.1166/jnn.2016.13142
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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