期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 252, 期 -, 页码 1-8出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2017.05.107
关键词
CuO Nanowire; Through pore; Fast response/recovery; p-type gas sensor
资金
- National Natural Science Foundation of China [51172085]
- 863 national project of China [2013AA031903]
Development of high-performance p-type semiconductor gas sensors especially the fast response/recovery speed and high response based on inexpensive non-noble metal oxides without doping or noble metal decoration for the practical applications of gas sensor are highly desirable. In this work, the rapid room-temperature synthesis of innovative and unique parallel copper oxide nanowires assembled microspheres (CuO NMs) with excellent gas sensing property is reported. The morphological characteristics, surface area, porosity, chemical composition and the chemical conversion process are studied carefully. As a result, the CuO NMs exhibit a relatively high gas response, especially the fast response and recovery time to 100 ppm n-propanol vapor at relatively low operating temperature of 190 degrees C, respectively. This new rapid self-template derived functional nanomaterials will offer a promising platform for highly sensitive and real-time monitoring p-type gas sensors. (C) 2017 Published by Elsevier B.V.
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