A NH3-responding material based on Reichardt's dye-impregnated mesoporous silica.

B Onida, S Fiorilli, R Gobetto, A Russo, D J Macquarrie, E Garrone

Research output: Chapter in Book/Report/Conference proceedingChapter


Reichardt's dye impregnated HMS gives a selective, reversible and fast optical response to NH3 in air. When adsorbed on a poorly dehydrated HMS surface, Reichardt's betaine dye does not display its typical charge-transfer transition, which appears upon contact with ammonia.

Original languageEnglish
Title of host publicationNanotechnology in Mesostructured Materials
Number of pages4
ISBN (Print)978-0-444-51434-9
Publication statusPublished - Jun 2003

Publication series

NameStudies in Surface Science and Catalysis

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