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|Title:||An alternative phase-transfer method of preparing alkylamine-stabilized platinum nanoparticles|
|Source:||Yang, J.,Deivaraj, T.C.,Too, H.-P.,Lee, J.Y. (2004-02-19). An alternative phase-transfer method of preparing alkylamine-stabilized platinum nanoparticles. Journal of Physical Chemistry B 108 (7) : 2181-2185. ScholarBank@NUS Repository.|
|Abstract:||An alternative phase-transfer method has been developed to prepare alkylamine-stabilized Pt nanoparticles. This method involves preparing a Pt hydrosol and then mixing the Pt hydrosol with a toluene solution of dodecylamine. This is followed by the addition of 1 M NaOH or 1 × PBS buffer to adjust the pH of the hydrosol to suitable values. Dodecylamine-stabilized Pt nanoparticles prepared this way had a predominantly cubic appearance, uniform size distribution, and self-assembled on transmission electron microscopy copper grids with an interparticle spacing of 2.2 nm. These results were then used to derive a protocol for preparing oligonucleotide-stabilized Pt nanoparticles in the aqueous environment. The oligonucleotide-stabilized Pt nanoparticles formed this way were either of spherical or irregular cubic shape depending on whether H2PtCl6 or K2PtCl4 was used as the starting metal salt.|
|Source Title:||Journal of Physical Chemistry B|
|Appears in Collections:||Staff Publications|
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