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|Title:||Controlled release and absorption resonance of fluorescent silica-coated platinum nanoparticles|
|Citation:||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|
|Appears in Collections:||Staff Publications|
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