Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12310
Title: The performance of oxygen sensing films with ruthenium-adsorbed fumed silica dispersed in silicone rubber
Authors: Chan, CM
Chan, MY
Zhang, M
Lo, W 
Wong, KY 
Issue Date: 1999
Source: Analyst, 1999, v. 124, no. 5, p. 691-694 How to cite?
Journal: Analyst 
Abstract: Oxygen sensing films were prepared by adsorbing the his(4,7-diphenyl-1,10-phenanthroline)ruthenium dye onto high surface area hydrophilic fumed silica and dispersing the ruthenium-loaded silica in a silicone rubber support. These sensing films possess desirable properties including higher luminescence intensity, larger response towards oxygen and more linear Stern-Volmer calibration curves than films prepared by simple mixing of the ruthenium dye with silicone rubber. However, the response time of these silica-containing films in the recovery cycle is ca. 30-50% longer than the films without silica.
URI: http://hdl.handle.net/10397/12310
ISSN: 0003-2654
DOI: 10.1039/a900367c
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