Preparation and Photoluminescence of Red, Green and Blue Fluorescent Dyes Co-Doped Nanoporous Silica by a Sol-Gel Method

Jun Ling Wang; Xu Liang Zhou; Zhuan Li; Chun Mei Liu

doi:10.4028/www.scientific.net/AMM.668-669.48

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 668-669Preparation and Photoluminescence of Red, Green...

Preparation and Photoluminescence of Red, Green and Blue Fluorescent Dyes Co-Doped Nanoporous Silica by a Sol-Gel Method

Abstract:

One sol-gel method is explored to prepare red, green and blue (RGB) fluorescent dyes co-doped nanoporous silica at low temperature in air. All of the dyes covers blue-emitting 2, 5-bis (5-tert-butyl-2-benzoxazolyl)- thiophene (BBOT), green-emitting Coumarin 152A (Coumarin) and red-emitting Lumogen red R305 (Lumogen), contributing to the photoluminescence (PL) of the hybrid. As a key factor, the molar ratio of reactants TEOS/Dioxane/ H₂O is 3:12:4 during the sol-gel process. The maximum doping concentration of dyes is the result of dyes dispersing into nanoporous silica, which supported by Infrared Spectroscopy (IR) and X-ray diffraction (XRD) technology. So this sol-gel preparation can enrich the inorganic luminescent materials at a simple style, especially for PL materials or electroluminescent (EL) materials in thin films state.

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Periodical:

Applied Mechanics and Materials (Volumes 668-669)

Pages:

48-51

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.668-669.48

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Online since:

October 2014

Authors:

Jun Ling Wang*, Xu Liang Zhou, Zhuan Li, Chun Mei Liu

Keywords:

Luminescence, Nanoporous Silica, Sol-Gel Preparation, Thin Film

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* - Corresponding Author

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