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|Title:||Acetate stabilization of metal nanoparticles and its role in the preparation of metal nanoparticles in ethylene glycol|
|Authors:||Yang, J. |
|Source:||Yang, J., Deivaraj, T.C., Too, H.-P., Lee, J.Y. (2004-05-11). Acetate stabilization of metal nanoparticles and its role in the preparation of metal nanoparticles in ethylene glycol. Langmuir 20 (10) : 4241-4245. ScholarBank@NUS Repository. https://doi.org/10.1021/la0361159|
|Abstract:||Acetate-stabilized ruthenium nanoparticles were prepared by the NaBH 4 reduction of the metal precursor salt at room temperature, Nanoparticles with a mean diameter of 2.20 nm and a standard deviation of 1.03 nm could be obtained under experimental conditions. The Ru nanoparticles so obtained could be easily extracted to a toluene solution of alkylamine, giving rise to alkylamine-stabilized Ru nanoparticles with a mean diameter of 2.96 nm and a standard deviation of 0.92 nm, The new found role of acetate stabilization was used to formulate a mechanism for the formation of metal (Pt, Ru) nanoparticles in ethylene glycol. In this mechanism metal nanoparticles are stabilized in ethylene glycol by adsorbed acetate ions, which are produced as a product of the OH - catalyzed reaction between the metal precursor salt and ethylene glycol.|
|Appears in Collections:||Staff Publications|
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