Preparation of Hemicyanine Dye Encapsulated Silica Particles and their Application in Cotton Fabrics

Chuan Xiang Qin; Lin Qin; Guo Qiang Chen; Tong Lin

doi:10.4028/www.scientific.net/AMR.796.424

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 796Preparation of Hemicyanine Dye Encapsulated Silica...

Preparation of Hemicyanine Dye Encapsulated Silica Particles and their Application in Cotton Fabrics

Abstract:

Trans-4- [p- (N, N-Die (2-hydroxyethyl)) styry-N-ethyl pyridinium bromide (DHEASPBr-C₂), a hemicyanine fluorescent dye, was encapsulated into silica nanoparticles by co-hydrolysis and co-condensation of organosilanes in the presence of the dye. The dye containing silica nanoparticles were applied onto cotton fabrics. Scanning electron microscopy (SEM), UVvis spectra, single-photon emission fluorescence spectra and reflectance spectra of the samples were characterized. The SEM results showed that the particle size (ranging from 100-200 nm) and dye encapsulating (1.5-8.1 mg dye per g silica matrix) could be adjusted by the concentration of fluorescent dye and organosilanes. The reflectance of the treated cotton fabrics showed that there were obvious adsorption spectra in 410 - 540 nm and emission spectra in 560 - 700 nm.

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Periodical:

Advanced Materials Research (Volume 796)

Pages:

424-427

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.796.424

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Online since:

September 2013

Authors:

Chuan Xiang Qin, Lin Qin, Guo Qiang Chen, Tong Lin

Keywords:

Cotton Fabric, Fluorescent, Hemicyanine Dye, Silica

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