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Nanomaterials 2015, 5(4), 2203-2211; doi:10.3390/nano5042203

Hydrothermal Synthesis of Ultrasmall Pt Nanoparticles as Highly Active Electrocatalysts for Methanol Oxidation

1
School of Materials Science and Engineering, Central South University, Changsha 410083, China
2
Institute for Materials Microstructure, Central South University, Changsha 410083, China
3
Key Laboratory of Non-Ferrous Materials Science and Engineering, Ministry of Education, Changsha 410083, China
*
Author to whom correspondence should be addressed.
Academic Editors: Hermenegildo García and Sergio Navalón
Received: 31 October 2015 / Revised: 20 November 2015 / Accepted: 25 November 2015 / Published: 8 December 2015
(This article belongs to the Special Issue Nanoparticles for Catalysis)
View Full-Text   |   Download PDF [1916 KB, uploaded 8 December 2015]   |  

Abstract

Ultrasmall nanoparticles, with sizes in the 1–3 nm range, exhibit unique properties distinct from those of free molecules and larger-sized nanoparticles. Demonstrating that the hydrothermal method can serve as a facile method for the synthesis of platinum nanoparticles, we successfully synthesized ultrasmall Pt nanoparticles with an average size of 2.45 nm, with the aid of poly(vinyl pyrrolidone) (PVP) as reducing agents and capping agents. Because of the size effect, these ultrasmall Pt nanoparticles exhibit a high activity toward the methanol oxidation reaction. View Full-Text
Keywords: hydrothermal method; ultrasmall nanoparticles; PVP; methanol oxidation hydrothermal method; ultrasmall nanoparticles; PVP; methanol oxidation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Ji, W.; Qi, W.; Tang, S.; Peng, H.; Li, S. Hydrothermal Synthesis of Ultrasmall Pt Nanoparticles as Highly Active Electrocatalysts for Methanol Oxidation. Nanomaterials 2015, 5, 2203-2211.

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