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A facile growth process of highly single crystalline Ir1-xVxO2 mixed metal oxide nanorods and their electrochemical properties

Title
A facile growth process of highly single crystalline Ir1-xVxO2 mixed metal oxide nanorods and their electrochemical properties
Authors
Chun S.H.Kim H.Y.Jang H.Lee Y.Jo A.Lee N.-S.Yu H.K.Kim M.H.Lee C.
Ewha Authors
이종목이영미김명화
SCOPUS Author ID
이종목scopus; 이영미scopus; 김명화scopusscopus
Issue Date
2017
Journal Title
CrystEngComm
ISSN
1466-8033JCR Link
Citation
CrystEngComm vol. 19, no. 25, pp. 3455 - 3464
Publisher
Royal Society of Chemistry
Indexed
SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
We introduce a facile growth process for mixed metal oxide nanorods of Ir1-xVxO2 in the broad range of metal contents between iridium and vanadium via a vapor phase transport process and their electrochemical performance. The growth process of Ir1-xVxO2 nanorods was performed by modulating the ratios of two precursors of VO2 and IrO2, the growth temperature, the position of metal oxide precursors in a furnace, and the flow rate of carrier gases. The results indicated that quasi one-dimensional nanostructures of Ir1-xVxO2 can be obtained of a single crystalline nature with the tetragonal rutile crystal structure by randomly incorporating Ir4+ and V4+ metal ions into the same lattice unit of the tetragonal structure owing to similar ionic sizes. In addition, the fundamental electrochemical performances for Ir1-xVxO2 nanorods grown directly on an Au microelectrode of 25 μm in diameter were carefully tested in order to explore the nonenzymatic amperometric sensing capacity of ascorbic acid as a biologically important molecule. © 2017 The Royal Society of Chemistry.
DOI
10.1039/c7ce00637c
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자연과학대학 > 화학·나노과학전공 > Journal papers
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