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Issue 44, 2016
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Novel synthesis of chitosan protected platinum nanoparticles based on gas–liquid interfacial reactions and their application for electrochemical sensing of hydrogen peroxide

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Abstract

A gas–liquid interface will be formed when volatilized methyl aldehyde gas begins to dissolve in solution, and metal ions in solution will be reduced slowly under appropriate experimental conditions, offering an effective way for the controlled synthesis of metal nanomaterials (NPs) without aggregation. Herein, we developed a novel controllable synthesis of platinum nanoparticles (Pt NPs) based on the gas–liquid interfacial reaction. The obtained Pt NPs were characterized by transmission electron microscopy and X-ray diffraction. Then, the Pt NPs were applied for electrochemical sensing, indicating that they had excellent properties to catalyze H2O2, and could detect H2O2 with a low detection limit of 0.05 μM in a wide linear range of 0.5–375 μM. This study may provide a general platform for the controlled synthesis of nanomaterials and can be extended to other optical, electronic, and magnetic nanocompounds.

Graphical abstract: Novel synthesis of chitosan protected platinum nanoparticles based on gas–liquid interfacial reactions and their application for electrochemical sensing of hydrogen peroxide

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Publication details

The article was received on 24 Aug 2016, accepted on 29 Sep 2016 and first published on 30 Sep 2016


Article type: Paper
DOI: 10.1039/C6AY02376B
Citation: Anal. Methods, 2016,8, 7903-7909
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    Novel synthesis of chitosan protected platinum nanoparticles based on gas–liquid interfacial reactions and their application for electrochemical sensing of hydrogen peroxide

    J. Liu, W. Bai, J. Zhang and J. Zheng, Anal. Methods, 2016, 8, 7903
    DOI: 10.1039/C6AY02376B

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