Polar-solvent mediated phase-transfer of nanocrystals of metals and semiconductors from an aqueous to an organic phase

DMSO acts as an efficient aqueous–organic phase-transfer reagent for metal and semiconductor nanocrystals. A simple method has been developed to carry out the phase-transfer of nanocrystals of metals and semiconductors from an aqueous medium to a hydrocarbon medium by exploiting the high polarity of...

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Bibliographic Details
Published in:Chemical physics letters 2007-02, Vol.436 (1), p.167-170
Main Authors: Vijaykumar, T., Sanketh, R., Kulkarni, G.U.
Format: Article
Language:English
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Summary:DMSO acts as an efficient aqueous–organic phase-transfer reagent for metal and semiconductor nanocrystals. A simple method has been developed to carry out the phase-transfer of nanocrystals of metals and semiconductors from an aqueous medium to a hydrocarbon medium by exploiting the high polarity of dimethylsulfoxide. The method eliminates the use of surfactants or mineral acids. The success of the method is demonstrated in the case of Au, Ag, Pd and CdS nanocrystals.
ISSN:0009-2614
1873-4448
DOI:10.1016/j.cplett.2007.01.015