Investigation of Crystallized ZnSnO₃ Nanoparticles for Ultraviolet Photodetectors
- Authors
- Kim, Taek Gon; Shin, Dong Su; Park, Jinsub
- Issue Date
- Oct-2016
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- ZTO; Nanoparticle; Photodetector
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.16, no.10, pp.10272 - 10275
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
- Volume
- 16
- Number
- 10
- Start Page
- 10272
- End Page
- 10275
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/22143
- DOI
- 10.1166/jnn.2016.13142
- ISSN
- 1533-4880
- 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.
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