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Issue 45, 2015
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Pollutant capturing SERS substrate: porous boron nitride microfibers with uniform silver nanoparticle decoration

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Abstract

How to concentrate target molecules on the surface of a SERS substrate is a key problem in the practical application of SERS. Herein, we designed for the first time a pollutant capturing surface enhanced Raman spectroscopy (SERS) substrate, namely porous BN microfibers uniformly decorated with Ag nanoparticles, in which the BN microfibers adsorb pollutants, while the Ag nanoparticles provide SERS activity. This SERS substrate captures pollutants from an aqueous solution completely and accumulates them all on its surface without introducing noise signals. The pores of BN protect the silver particles from aggregation which makes BN/Ag a stable and recyclable SERS substrate. What’s more, while the dyes are thoroughly concentrated from a diluted solution, the SERS detection limit is easily enhanced, from 10−6 M to 10−9 M.

Graphical abstract: Pollutant capturing SERS substrate: porous boron nitride microfibers with uniform silver nanoparticle decoration

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Publication details

The article was received on 19 Aug 2015, accepted on 06 Oct 2015 and first published on 08 Oct 2015


Article type: Paper
DOI: 10.1039/C5NR05625J
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Citation: Nanoscale, 2015,7, 18992-18997
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    Pollutant capturing SERS substrate: porous boron nitride microfibers with uniform silver nanoparticle decoration

    P. Dai, Y. Xue, X. Wang, Q. Weng, C. Zhang, X. Jiang, D. Tang, X. Wang, N. Kawamoto, Y. Ide, M. Mitome, D. Golberg and Y. Bando, Nanoscale, 2015, 7, 18992
    DOI: 10.1039/C5NR05625J

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