A novel method for the preparation of Ru(bpy)(2+)(3) -doped silica nanoparticles

Wang, Y. H. and Fan, W. and Nugen, S. R.. (2013) A novel method for the preparation of Ru(bpy)(2+)(3) -doped silica nanoparticles. Materials Letters, 92. pp. 17-20.

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A novel method for the preparation of spherical Ru(bpy)(2+)(3) -doped silica nanoparticles with adjustable diameters and narrow particle size distribution with high yield was developed. Unlike the most commonly used Stober method which uses a reverse microemulsion system (oil-based, NH4OH as a catalyst, pH 11-12), the proposed method synthesizes the nanoparticles in a water-based system (pH 9-10) using L-lysine as a catalyst in the presence of the dye. Both the size of the spherical dye-doped nanoparticles and the Ru(bpy)(2+)(3) content which is incorporated in silica nanoparticles are precisely controlled by the multiple-step addition of tetraethyl orthosilicate and Ru(bpy)(2+)(3) solution, respectively. (C) 2012 Elsevier B.V. All rights reserved.

Item Type: Article
Additional Information: Times Cited: 0Wang, Yuhong Fan, Wei Nugen, Sam R.
Collections: Nanomanufacturing Research Collection > Nanomanufacturing Nanoscale Science and Engineering Centers > Center for Hierarchical Manufacturing
Depositing User: Robert Stevens
Date Deposited: 27 Mar 2014
Last Modified: 27 Mar 2014 20:21
URI: http://eprints.internano.org/id/eprint/2186

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