Abstract
A novel phase-transfer method was developed based on the decrease of PVP's solubility in water with increasing temperature,by means of which PVP-protected gold,silver and platinum nanoparticles can be conveniently transferred from aqueous phase to 1-butanol phase.Monodispersed metal nanoparticles were electrochemically synthesized at first in the aqueous,and then 1-butanol of appropriate volume was added to the aqueous phase.Heating the oil-water mixture to 80 ℃ under vigorous stirring would make metal nanoparticles leave the aqueous phase and enter into the 1-butanol phase,with high phasetransfer efficiency and without aggregation between nanoparticles.An electrochemical method to synthesize metal nanoparticles in the oil-water mixtures was further established,which provides a new path for collection of nanoparticles and preparation of metal nanofilms.
Keywords
Nanoparticles, Phase-transfer, Poly(N-vinylpyrrolidone)(PVP), Electrochemical synthesis, Oil/water interface
Publication Date
2006-11-28
Online Available Date
2006-11-28
Revised Date
2006-11-28
Received Date
2006-11-28
Recommended Citation
Xing-li FENG.
Phase-Transfer Technique for Polymer-Protected Noble Metal Nanoparticles[J]. Journal of Electrochemistry,
2006
,
12(4): 403-407.
DOI: 10.61558/2993-074X.1761
Available at:
https://jelectrochem.xmu.edu.cn/journal/vol12/iss4/10
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