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Baik, Jeong Min
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Alternatively driven dual nanowire arrays by ZnO and CuO for selective sensing of gases

Author(s)
Park, Won JeongKim, Myung HwaKoo, Bon HyeongChoi, Won JunLee, Jong-LamBaik, Jeong Min
Issued Date
2013-08
DOI
10.1016/j.snb.2013.04.038
URI
https://scholarworks.unist.ac.kr/handle/201301/3265
Fulltext
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84878322572
Citation
SENSORS AND ACTUATORS B-CHEMICAL, v.185, pp.10 - 16
Abstract
We introduce a facile synthesis and characterization of alternatively driven dual nanowire arrays with single crystalline nanostructures of ZnO and CuO as efficient gas sensing elements. Single-crystalline dual nanowires of ZnO and CuO with the average diameter of 30 nm were selectively and simultaneously grown on a single substrate via a chemical vapor deposition at 773-873 K, without the incorporation of foreign atoms. The responses of dual one-dimensional nanostructures toward the minute concentrations of hydrogen (H2), carbon monoxide (CO), and nitric dioxide (NO2) were compared at 473 K so that they clearly represented the ability to distinguish three gases unequivocally.
Publisher
ELSEVIER SCIENCE SA
ISSN
0925-4005
Keyword (Author)
Dual nanowiresSelective gas detectionZnOCuOJunction
Keyword
FIELD-EMISSION PROPERTIESELECTRONIC NOSESENSORSGROWTHFABRICATIONNANOTUBESNANORODSFILMSSNO2

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