Journal
MATERIALS LETTERS
Volume 81, Issue -, Pages 145-147Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2012.04.090
Keywords
Hierarchical ZnO array; Thin film; Chemical bath deposition; Semiconductor oxides; Sensor
Funding
- Natural Science Foundation of P.R. China [60906036, 61074172, 61134010]
- Program for Chang Jiang Scholars and Innovative Research Team in University [IRT1017]
- Jilin Province Science and Technology Development Plan Program [20106002]
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The uniform hierarchical ZnO ordered nanoclusters were deposited on quartz substrates via a facile chemical bath deposition method. Field emission scanning electron microscopic and transmission electron microscopic results revealed that these hierarchical nanoclusters were built from one-dimensional single crystal nanorods. The morphology of the prepared products could be tailored by changing the deposited time. On the basis of experimental results, a possible growth progress and mechanism of hierarchical ZnO ordered nanoclusters were proposed. In addition, the planar type gas sensor using as-prepared ZnO ordered film deposited for 60 min showed good response to 1 ppm NO2 at room temperature under UV light illumination. (C) 2012 Published by Elsevier B.V.
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