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Fried egg-like Au mesostructures grown on poly(4-vinylpyridine) brushes grafted graphene oxide

Abstract

Control growth of noble metal micro/nanostructures on graphene films is of crucial importance for high-quality surface-enhanced Raman scattering (SERS) spectra. In this paper, we described in situ fabrication of different Au structures on poly(4-vinylpyridine)(P4VP) brushes-grafted graphene oxide(GO). The proposed strategy is based on the use of HAuCl4-loaded P4VP brushes grown on GO as a reaction chamber. The novel Au mesostructures with “fried egg-like” morphology were fabricated on the surface of the GO-P4VP films using ascorbic acid (AA) as a weaker reducing agent. The obtained GO-P4VP/fried egg-like Au composites can be used as substrates for surface-enhanced Raman scattering (SERS) and exhibited good SERS sensitivity for detecting 4-aminothiophenol (4-ATP) molecules.

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Publication details

The article was received on 01 Jul 2018, accepted on 09 Sep 2018 and first published on 11 Sep 2018


Article type: Paper
DOI: 10.1039/C8NJ03272F
Citation: New J. Chem., 2018, Accepted Manuscript
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    Fried egg-like Au mesostructures grown on poly(4-vinylpyridine) brushes grafted graphene oxide

    L. Feng, K. Wang, P. Li, W. Wang and T. Chen, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ03272F

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