Morphology controlled synthesis of platinum nanoparticles performed on the surface of graphene oxide using a gas–liquid interfacial reaction and its application for high-performance electrochemical sensing

文献情報

出版日 2016-05-09

DOI 10.1039/C6AN00632A

インパクトファクター 4.616

著者

Wushuang Bai, Qinglin Sheng, Jianbin Zheng

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要旨

In this paper, we report a novel morphology-controlled synthetic method. Platinum (Pt) nanoparticles with three kinds of morphology (aggregation-like, cube-like and globular) were grown on the surface of graphene oxide (GO) using a simple gas–liquid interfacial reaction and Pt/GO nanocomposites were obtained successfully. According to the experimental results, the morphology of the Pt nanoparticles can be controlled by adjusting the reaction temperature with the protection of chitosan. The obtained Pt/GO nanocomposites were characterized using transmission electron microscopy (TEM), X-ray diffraction (XRD) and fourier transform infrared spectroscopy (FTIR). Then the Pt/GO nanocomposites with the three kinds of morphology were all used to fabricate electrochemical sensors. The electrochemical experimental results indicated that compared with various reported electrochemical sensors, the Pt/GO modified sensors in this work exhibit a low detection limit, high sensitivity and an extra wide linear range for the detection of nitrite. In addition, the synthesis of Pt particles based on a gas–liquid interfacial reaction provides a new platform for the controllable synthesis of nanomaterials.

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CiteScore: 7.8

自己引用率: 5.6%

年間論文数: 653

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Morphology controlled synthesis of platinum nanoparticles performed on the surface of graphene oxide using a gas–liquid interfacial reaction and its application for high-performance electrochemical sensing

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