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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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1

Easy and Fast Phase Transfer of CTAB Stabilised Gold Nanoparticles from Water to Organic Phase

Kittler, S., Hickey, Stephen G., Wolff, T., Eychmüller, A. 12 August 2014 (has links)
No / Spheric and anisotropic gold nanoparticles (GNPs) such as rods, stars or nanoprism prepared using hexadecyltrimethyl ammonium bromide (CTAB) as the stabilising agent have received a great deal of interest in the last years. The literature procedures exploited lead to GNPs in aqueous solution. We herein describe a fast, efficient, and cheap method to transfer particles of different shapes from water into toluene solution via ligand exchange (CTAB to dodecanethiol), which was mediated by acetone as a cosolvent. Absorption spectra and TEM-pictures before and after the transfer revealed that the particles survived the transfer intact and without change in shape.
Phase transfer
Gold
Nanorods
CTAB
Metal nanoparticles
Shape separation
Ligand-exchange
Nanorods
Size
Surface
Solvents
Liquid
Centrifugation
Nanocrystals

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