Studies on the Preparation and Luminescence Oxygen Sensor of the Sol-gelFilm Containing Unsaturated Long Chain Ester Moieties

Abstract

Abstract: The new sol-gel-derived silica films containing unsaturated long chain ester moieties were fabri-cated by spin-coating on to glass substrates.The films were pre-doped with the oxygen-sensitive lumines-cent Ru(bpy)₃²⁺, whose emission are quenched in the presence of oxygen.Compared with traditional te-traethyl orthosilicate (TEOS) /Ru (bpy)₃²⁺ films, 3-(trimethoxysilyl)-propyl methacrylate (PMA-TMS)/Ru(bpy)₃²⁺ films were found to be better in film-formation property, higher in quenching response for oxy-gen and shorter in response time.All improvements are due to the unsaturated 1ong chain ester moieties inresultant sol-gel films.

Key words: Sol-gel, Luminescence, Oxygen sensor

CLC Number:

O648

TrendMD:

ZHU Hui, MA Yu-Guang, FAN Yu-Guo, SHEN Jia-Cong. Studies on the Preparation and Luminescence Oxygen Sensor of the Sol-gelFilm Containing Unsaturated Long Chain Ester Moieties[J]. Chem. J. Chinese Universities, 2002, 23(4): 682.

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Studies on the Preparation and Luminescence Oxygen Sensor of the Sol-gelFilm Containing Unsaturated Long Chain Ester Moieties

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