Please use this identifier to cite or link to this item: https://doi.org/10.1002/adfm.200700148
Title: Controlled release and absorption resonance of fluorescent silica-coated platinum nanoparticles
Authors: Liu, S.
Wong, Y.
Wang, Y.
Wang, D.
Han, M.-Y. 
Issue Date: 5-Nov-2007
Source: Liu, S., Wong, Y., Wang, Y., Wang, D., Han, M.-Y. (2007-11-05). Controlled release and absorption resonance of fluorescent silica-coated platinum nanoparticles. Advanced Functional Materials 17 (16) : 3147-3152. ScholarBank@NUS Repository. https://doi.org/10.1002/adfm.200700148
Abstract: Aggregation-driven seeded growth of uniform platinum nanoparticles and exclusive silica-coating of the as-grown platinum nanoparticles have been achieved successfully. Fluorescent Pt@SiO2 nanoparticles have also been reproducibly prepared via effective co-condensation of silanized dye molecules with tetraethylorthosilicate. The dye-loaded Pt@SiO2 nanoparticles have been exploited as model carriers for thermal-responsive controlled release of guest molecules via slow hydrolysis/dissolution of silica shells; importantly, the encapsulated platinum cores have also been used as nanoprobes to simultaneously investigate their controlled release process. Meanwhile, unique size-sensitive absorbance resonance in the dye-loaded Pt@SiO2 nanoparticles has been demonstrated for the first time, and it is expected to find novel application. © 2007 WILEY-VCH Verlag GmbH & Co. KGaA.
Source Title: Advanced Functional Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/87744
ISSN: 1616301X
DOI: 10.1002/adfm.200700148
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