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Plasmonic and photo-electrochemical enhancements of AuAg@Au/RGO-C3N4 nanocomposite for the detection of DA

Abstract

Plasmonic photocatalyst has attracted tremendous attention due to its valuable theory study and promising practical application in solar cells, functional composites and sensors. Herein, an interesting RGO-C3N4 supported AuAg core-Au shell (AuAg@Au) nanocomposite has been reported. Owing to the surface plasmon resonance (SPR) of AuAg@Au, the accelarated electron transfer and separation of charge carriers induced by the fascinating substrate materials of RGO-C3N4, the newly-generated AuAg@Au/RGO-C3N4 nanomaterials show the strong photo-electrochemical response under visible light irradiation. The AuAg@Au/RGO-C3N4 photocatalyst demonstrated an excellent photo-electrochemical performance with a broad concentration linear range of 0.064-780.904 M and a low detection limit of 0.022 M, high stability and nice selectivity when applied in the determination of dopamine (DA) under visible light irradiation.

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Publication details

The article was received on 20 Sep 2017, accepted on 08 Nov 2017 and first published on 08 Nov 2017


Article type: Paper
DOI: 10.1039/C7AN01561E
Citation: Analyst, 2017, Accepted Manuscript
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    Plasmonic and photo-electrochemical enhancements of AuAg@Au/RGO-C3N4 nanocomposite for the detection of DA

    J. Wang, H. Xu, S. Li, B. Yan, Y. Shi, C. Wang and Y. Du, Analyst, 2017, Accepted Manuscript , DOI: 10.1039/C7AN01561E

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