Published in
Royal Society of Chemistry, Chemical Communications, 21, p. 2496-2497, 2004
DOI: 10.1039/b409779c
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Mesostructured SBA-3 silica containing Reichardt's dye as an optical ammonia sensor
Journal article published in 2004 by
Barbara Onida,
C. Otero Areán,
Luisa Borello,
Sonia Fiorilli,
Barbara Bonelli 
,
C. Otero Areán,
C. Otero Are�n,
Edoardo Garrone
,
C. Otero Areán,
C. Otero Are�n,
Edoardo Garrone
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Abstract
Mesostructured SBA-3 silica containing Reichardt's dye is shown to give a reversible optical response to gaseous ammonia, with a response time of a few seconds and an intensity proportional to the ammonia partial pressure, which are desirable properties for gas sensing.