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.
A NH3-responding material based on Reichardt's dye-impregnated mesoporous silica.
GOBETTO, Roberto;GARRONE, Edoardo
2003-01-01
Abstract
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.File in questo prodotto:
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