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Baik, Jeong Min
Nano Energy and Environmental Materials Lab
Research Interests
  • Nanogenerators, antimicrobial material, catalysis, smart sensors

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Growth of highly single crystalline IrO 2 nanowires and their electrochemical applications

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dc.contributor.author Lee, Yumin ko
dc.contributor.author Kang, Minkyung ko
dc.contributor.author Shim, Jun Ho ko
dc.contributor.author Lee, Nam-Suk ko
dc.contributor.author Baik, Jeong Min ko
dc.contributor.author Lee, Youngmi ko
dc.contributor.author Lee, Chongmok ko
dc.contributor.author Kim, Myung Hwa ko
dc.date.available 2014-04-10T01:33:33Z -
dc.date.created 2013-06-14 ko
dc.date.issued 2012-08 -
dc.identifier.citation JOURNAL OF PHYSICAL CHEMISTRY C, v.116, no.34, pp.18550 - 18556 ko
dc.identifier.issn 1932-7447 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/3180 -
dc.identifier.uri http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84865708222 ko
dc.description.abstract We present the facile growth of highly single crystalline iridium dioxide (IrO2) nanowires on SiO2/Si and Au substrates via a simple vapor phase transport process under atmospheric pressure without any catalyst. Particularly, high-density needle-like IrO2 nanowires were readily obtained on a single Au microwire, suggesting that the melted surface layer of Au might effectively enhance the nucleation of gaseous IrO3 precursors at the growth temperature. In addition, all the electrochemical observations of the directly grown IrO2 nanowires on a single Au microwire support favorable electron-transfer kinetics of [Fe(CN6)](4-/3-) as well as Ru(NH3)(6)(3+/2+) at the highly oriented crystalline IrO2 nanowire surface. Furthermore, stable pH response is shown, revealing potential for use as a miniaturized pH sensor, confirmed by the calibration curve exhibiting super-Nernstian behavior with a slope of 71.6 mV pH(-1). ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher AMER CHEMICAL SOC ko
dc.subject Calibration curves ko
dc.subject Electrochemical applications ko
dc.subject Electron transfer kinetics ko
dc.subject Iridium dioxide ko
dc.subject Microwire ko
dc.subject Nanowire surface ko
dc.subject Needle-like ko
dc.subject PH response ko
dc.subject Single-crystalline ko
dc.subject Surface layers ko
dc.subject Vapor phase transport process ko
dc.title Growth of highly single crystalline IrO 2 nanowires and their electrochemical applications ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84865708222 ko
dc.identifier.wosid 000308120000067 ko
dc.type.rims ART ko
dc.description.wostc 3 *
dc.description.scopustc 4 *
dc.date.tcdate 2014-10-18 *
dc.date.scptcdate 2014-07-12 *
dc.identifier.doi 10.1021/jp306900m ko
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