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.
|Title of host publication||Nanotechnology in Mesostructured Materials|
|Number of pages||4|
|Publication status||Published - Jun 2003|
|Name||Studies in Surface Science and Catalysis|