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Alternatively driven dual nanowire arrays by ZnO and CuO for selective sensing of gases

Title
Alternatively driven dual nanowire arrays by ZnO and CuO for selective sensing of gases
Authors
Park W.J.Kim M.H.Koo B.H.Choi W.J.Lee J.-L.Baik J.M.
Ewha Authors
김명화
SCOPUS Author ID
김명화scopus
Issue Date
2013
Journal Title
Sensors and Actuators, B: Chemical
ISSN
0925-4005JCR Link
Citation
vol. 185, pp. 10 - 16
Indexed
SCI; SCIE; SCOPUS WOS scopus
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. © 2013 Elsevier B.V.
DOI
10.1016/j.snb.2013.04.038
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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