期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 63, 期 1-2, 页码 74-79出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0925-4005(99)00513-4
关键词
tin oxide; nanometer-sized particles; sol; thin-film; hydrothermal treatment
A sol solution containing SnO2 particles (crystallites) of 6 nm in average diameter was prepared by a hydrothermal treatment. The hydrothermal treatment was found to be very effective for suppressing the thermal growth of SnO2 grains. A thin-film sensor device, fabricated by spin-coating from the sol solution, consisted of SnO2 crystallites with 6 nm in mean diameter after calcination at 600 degrees C. The device proved for better properties in sensitivity and response transient than a conventional sintered-block sensor device using SnO2 precipitated gel. (C) 2000 Elsevier Science S.A. All rights reserved.
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