期刊
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 27, 期 4, 页码 1983-1989出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2006.05.108
关键词
nanocomposite; surface; porosity; sensor; sepiolite
In the present work. a new humidity sensor based on nanostructured hematite deposited by a wet chemical route on a low-cost natural inonganic phylosilicate (sepiolite) powder was obtained. The nanometric character of these particles has been evaluated by X-ray diffraction, thermal gravimetric analysis (TGA) and differential thermal analysis (DTA) and transmission electron microscopy. This material compacted as a Pellet by uniaxial pressure with the corresponding interdigitated gold electrodes, was found to be very appropriate to operate as humidity sensor over a wide relative humidity (RH) range (5-98%). (c) 2006 Elsevier Ltd. All rights reserved.
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