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Journal of Nanoparticle Research

Erschienen in:

01.03.2012 | Research Paper

Ionic liquid-assisted synthesis of carbon nanotube/platinum nanocomposites

verfasst von: Hua Zou, Yuxia Luan, Xiaojun Wang, Zhiyun Xie, Jijuan Liu, Junchao Sun, Yana Wang, Zhonghao Li

Erschienen in: Journal of Nanoparticle Research | Ausgabe 4/2012

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Abstract

The carbon nanotubes (CNTs) without modification for any functional group are used for the formation of CNTs/Pt nanocomposites in the presence of 1-butyl-3-methylimidazolium chloride ([BMIM]Cl) ionic liquid (IL) at a mild condition. The effects of platinum salt and [BMIM]Cl concentrations on the morphologies of final products are investigated. The as-prepared products are characterized by transmission electron microscopy, powder X-ray diffraction, and cyclic voltammetry. It shows that the as-prepared CNTs/Pt nanocomposites have a good dispersion of Pt particles with tunable size by controlling the concentration of [BMIM]Cl. The Pt particle size of the synthesized CNTs/Pt nanocomposites could be as small as 7 ± 2 nm. The possible formation mechanism of the as-prepared nanocomposites is proposed based on the π–π interaction between the IL and the CNT. The electrochemical response of the synthesized CNTs/Pt nanocomposites to K₃(FeCN)₆ is studied by cyclic voltammetry measurements, which demonstrates the response increases with the decrease of the Pt particle size. Moreover, the electroactivity for methanol oxidation using the synthesized CNTs/Pt nanocomposites with Pt particle size of 7 ± 2 nm shows that the as-prepared CNTs/Pt nanocomposites have an improved catalytic performance.

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Titel: Ionic liquid-assisted synthesis of carbon nanotube/platinum nanocomposites
verfasst von: Hua Zou
Yuxia Luan
Xiaojun Wang
Zhiyun Xie
Jijuan Liu
Junchao Sun
Yana Wang
Zhonghao Li
Publikationsdatum: 01.03.2012
Verlag: Springer Netherlands
Erschienen in: Journal of Nanoparticle Research / Ausgabe 4/2012
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-012-0832-6

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