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자연과학대학
화학·나노과학전공
Journal papers
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Single phase ZnV2O6 nanorods with excellent visible light photodetection capability
Title
Single phase ZnV2O6 nanorods with excellent visible light photodetection capability
Authors
Kim K.M.
;
Cho H.H.
;
Yu H.K.
;
Kim M.H.
Ewha Authors
김명화
SCOPUS Author ID
김명화
Issue Date
2023
Journal Title
Journal of Alloys and Compounds
ISSN
0925-8388
Citation
Journal of Alloys and Compounds vol. 938
Keywords
Acid–base reaction
;
Band-edge wavelength
;
Nanostructure synthesis
;
Visible light photodetector
;
ZnV<sub>2</sub>O<sub>6</sub>
Publisher
Elsevier Ltd
Indexed
SCIE; SCOPUS
Document Type
Article
Abstract
We report a facile synthetic route for the growth of single phase ZnV2O6 nanorods via a simple acid–base reaction of the Lewis acid forms of ZnCl2 and VCl3 with NaOH in an aqueous solution followed by the thermal treatment of the resulting metal hydroxides on a SiO2 substrate in air. The as-grown ZnV2O6 nanorods exhibited a well-defined rectangular cross-section with a width of approximately 300–350 nm and thickness of 100–150 nm, and they extended in random directions up to a length of 3 µm. The as-grown ZnV2O6 nanorods possessed a single-phase monoclinic brannerite-type structure, as determined via X-ray diffraction, X-ray photoelectron spectroscopy, and Raman spectroscopic investigations. The synthesized ZnV2O6 sample exhibited a band gap of ∼2.06 eV and excellent photodetection properties in the visible light region of 635 nm, which is the band-edge wavelength. The new ZnV2O6 synthetic method proposed in this report could be used to develop various photocatalysts and energy conversion materials in the future. © 2022 Elsevier B.V.
DOI
10.1016/j.jallcom.2022.168676
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