期刊
CHEMOSENSORS
卷 10, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/chemosensors10030101
关键词
SERS; chromogenic motion picture films; dyes; silver nanostars; SSE (TM) Raman
In this study, surface-enhanced Raman spectroscopy (SERS) was used for the identification of dyes in chromogenic films. The results showed that SERS spectroscopy is an efficient technique for this purpose, and the excellent SERS properties of anisotropic nanomaterials were confirmed.
In the present work, surface-enhanced Raman spectroscopy (SERS) is proposed for the identification of dyes in chromogenic films. These substances, which are generated within the film itself during the colour development process, are first studied on reference molecules synthesised for the purpose and, subsequently, on dyes extracted from a chromogenic film. SERS spectroscopy proved to be an efficient technique for their investigation, providing a proof of concept for its applicability for further studies on this complex topic. SERS spectra of the reference molecules were also compared with normal Raman spectra, acquired with a spectrometer based on SSE (TM) technology. Furthermore, the excellent SERS properties of anisotropic nanomaterials, such as silver nanostars, have been confirmed.
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