Heterogeneous colorimetric sensor for mercuric salts

Literature Information

Publication Date 2004-01-19
DOI 10.1039/B314138A
Impact Factor 6.222
Authors

Emilio Palomares, Ramón Vilar, James R. Durrant


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Abstract

A novel chemical sensor for the colorimetric detection of mercuric salts is described. The sensor is based on a mesoporous nanocrystalline TiO2 film sensitised with a ruthenium dye; immersion of this film in an aqueous solution of Hg2+ results in a rapid colorimetric response, with both a high selectivity and a sub-micromolar sensitivity.

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