Conversion of AgCl nanocubes to Ag/AgCl nanohybrids via solid–liquid reaction for surface-enhanced Raman scattering detection

Fangling Cui; Muheng Zhai; Konglin Wu; Nan Yu; Zhenghua Wang

Conversion of AgCl nanocubes to Ag/AgCl nanohybrids via solid–liquid reaction for surface-enhanced Raman scattering detection

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Author(s): Fangling Cui ¹ ; Muheng Zhai ¹ ; Konglin Wu ¹ ; Nan Yu ¹ ; Zhenghua Wang ¹
- Affiliations: 1: Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, People's Republic of China
Source: Volume 9, Issue 5, May 2014, p. 297 – 301
DOI: 10.1049/mnl.2014.0091 , Online ISSN 1750-0443

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Received 18/02/2014, Accepted 21/03/2014, Revised 07/03/2014, Published 25/04/2014

In this reported work, Ag/AgCl nanohybrids were synthesised through a facile solid–liquid reaction approach by reducing pre-grown AgCl nanocubes with a sodium borohydride (NaBH₄) ethanol solution. The morphology of the AgCl nanocubes' precursor is kept very well after the reactions. The influence of the NaBH₄ concentration and the injection speed of NaBH₄ solution were studied. It is demonstrated that the prepared Ag/AgCl nanohybrids can serve as effective surface-enhanced Raman scattering (SERS) substrate. Rhodamine 6G (R6G) as the typical SERS analyte was applied to determine the effect of the Ag/AgCl substrate, and SERS signals of R6G were observed in a low concentration of 1 × 10⁻¹² M. Furthermore, the Ag/AgCl substrate was applied to detect other analytes such as crystal violet and 4-mercaptobenzoic acid, which also show high sensitivity.

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Conversion of AgCl nanocubes to Ag/AgCl nanohybrids via solid–liquid reaction for surface-enhanced Raman scattering detection

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