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dc.contributor.author이재우-
dc.contributor.author심영석-
dc.contributor.author김도홍-
dc.contributor.author정후영-
dc.contributor.author정명호-
dc.contributor.author정주영-
dc.contributor.author한승민-
dc.contributor.author김종규-
dc.contributor.author김진상-
dc.contributor.author박형호-
dc.contributor.author이종흔-
dc.contributor.authorHarry L. Tuller-
dc.contributor.author윤석진-
dc.contributor.author장호원-
dc.date.accessioned2015-12-03T01:00:13Z-
dc.date.available2015-12-03T01:00:13Z-
dc.date.issued201208-
dc.identifier.citationVOL 2, 588-1-588-7-
dc.identifier.issn20452322-
dc.identifier.other37780-
dc.identifier.urihttp://pubs.kist.re.kr/handle/201004/45683-
dc.description.abstractOne of the top design priorities for semiconductor chemical sensors is developing simple, low-cost, sensitive and reliable sensors to be built in handheld devices. However, the need to implement heating elements in sensor devices, and the resulting high power consumption, remains a major obstacle for the realization of miniaturized and integrated chemoresistive thin film sensors based on metal oxides. Here we demonstrate structurally simple but extremely efficient all oxide chemoresistive sensors with ~90% transmittance at visible wavelengths. Highly effective self-activation in anisotropically self-assembled nanocolumnar tungsten oxide thin films on glass substrate with indium-tin oxide electrodes enables ultrahigh response to nitrogen dioxide and volatile organic compounds with detection limits down to parts per trillion levels and power consumption less than 0.2 microwatts. Beyond the sensing performance, high transparency at visible wavelengths creates opportunities for their use in transparent electronic circuitry and optoelectronic devices with avenues for further functional convergence.-
dc.publisherScientific Reports-
dc.titleSelf-activated ultrahigh chemosensitivity of oxide thin film nanostructures for transparent sensors-
dc.typeArticle-
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