Metallic carbide nanoparticles as stable and reusable substrates for sensitive surface-enhanced Raman spectroscopy

We demonstrate for the first time that metallic carbide nanoparticles with a strong localized surface plasmon resonance (LSPR) effect could be used as SERS substrates to detect trace substances. They achieve a noble metal-comparable enhancement factor of 6.4 × 10 7 . Carbide SERS substrates: nearly...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2018, Vol.54 (77), p.1843-1846
Main Authors: Bai, Hua, Liu, Wei, Yi, Wencai, Li, Xinshi, Zhai, Junfeng, Li, Junfang, Liu, Jingyao, Yang, Haifeng, Xi, Guangcheng
Format: Article
Language:English
Subjects:
Carbides
Nanoparticles
Noble metals
Raman spectroscopy
Substrates
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Summary:We demonstrate for the first time that metallic carbide nanoparticles with a strong localized surface plasmon resonance (LSPR) effect could be used as SERS substrates to detect trace substances. They achieve a noble metal-comparable enhancement factor of 6.4 × 10 7 . Carbide SERS substrates: nearly monodispersed TaC nanoparticles with a strong plasma resonance effect are synthesized via a magnesium thermal reduction process. As non-noble metal SERS substrates, they offer high sensitivity, outstanding stability, and excellent recyclability.
ISSN:1359-7345
1364-548X
DOI:10.1039/c8cc05102j