期刊
MATERIALS LETTERS
卷 205, 期 -, 页码 106-109出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.06.076
关键词
Micro-nano structure; WO3 coating; Ozone sensing; Liquid precursor flame spray; Sensors; Thin films
资金
- National Natural Science Foundation of China [41476064]
- Key Research and Development Program of Zhejiang Province [2017C01003]
- Ningbo Major RD Project [2015B11054]
WO3 coatings with tunable micro-nano hybrid structures were fabricated by liquid precursor flame spraying. The coatings consisting of the sole component of monoclinic WO3 show porous topographical morphology with grains of similar to 20 nm and pores of similar to 4-8 mu m. Assessment of gas sensing performances of the coatings to ozone reveals their optimum operating temperature of 150 degrees C, and sensor response of 3.9 and 46.7 to ozone concentration of 0.5 ppm and 2.0 ppm respectively. The results shed light on construction of ceramic coatings with tunable hybrid structures by the precursor flame spray technical route for functional applications. (C) 2017 Elsevier B.V. All rights reserved.
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