Polarity studies on ormosils using a solvatochromic fluorescent probe

DOI to cite this document:: 10.5283/epub.20437

Lobnik, Aleksandra ; Wolfbeis, Otto S.

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Date of publication of this fulltext: 15 Apr 2011 09:12

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Abstract

Ormosils (organically modified siloxanes) are a relatively new family of materials, prepared by the sol–gel method, with properties that are intermediate between those of glasses and polymers. To probe the micropolarity of various solvents and ormosils, a ketocyanine dye (KC) with unique solvatochromic properties in fluorescence was used. KC is an excellent probe and is sensitive to the polarity ...