www.nanopicoftheday.org
March 26, 2004
Nanoparticle Film Sensors
Source:
Richard Cavvichi
References:
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"Spin-on nanoparticle tin oxide for microhotplate gas sensors" Cavicchi RE,
Walton RM, Aquino-Class M, Allen JD, Panchapakesan B. SENSORS AND ACTUATORS
B-CHEMICAL
77 (1-2): 145-154 JUN 15 2001.
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Description:
Nanoparticle films were produced by spin-coating a colloidal suspension of Sb-doped
tin oxide onto a microhotplate. The motivation of these experiments is to
test the compatibility of spin-on nanoparticle sensing films with microhotplate
sensor technology, to assess the sensitivity, reproducibility, and stability of
the films, and to characterize the temperature programmed sensing (TPS) response
in different gas environments.
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