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Issue 32, 2011
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Facile preparation of water soluble CuPt nanorods with controlled aspect ratio and study on their catalytic properties in water

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Abstract

CuPt nanorods, originally nonpolar, were modified by ligand exchange to become soluble in water. Three different CuPt nanorods with aspect ratios (ARs) of 1, 6, and 11 were produced with high monodispersity by a thermal decomposition method and a subsequent purification process. The synthesized nanorods were initially dispersed in nonpolar solvents such as hexane. Thiol-terminated poly(ethyleneoxide) (PEO-SH) was synthesized and attached to the surface of CuPt nanorods to impart water solubility. The nanorods were completely transferred to the aqueous phase. Their catalytic properties in the aqueous phase were investigated using a peroxidase-like reaction of o-phenylenediamine (OPD) oxidation. CuPt nanorods showed high activity for the reaction, demonstrating the excellent dispersion of nanorods in an aqueous solution. The effect of AR on the catalytic properties of nanorods was also studied.

Graphical abstract: Facile preparation of water soluble CuPt nanorods with controlled aspect ratio and study on their catalytic properties in water

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Publication details

The article was received on 29 Mar 2011, accepted on 09 May 2011 and first published on 13 Jun 2011


Article type: Paper
DOI: 10.1039/C1JM11318F
J. Mater. Chem., 2011,21, 11956-11960

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    Facile preparation of water soluble CuPt nanorods with controlled aspect ratio and study on their catalytic properties in water

    T. Kwon, M. Min, H. Lee and B. J. Kim, J. Mater. Chem., 2011, 21, 11956
    DOI: 10.1039/C1JM11318F

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