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- Title
Universal and simple MoO<sub>3</sub> substrate for identification of SERS enhancement mechanism.
- Authors
Yang, Yanqiu; Li, Jia; Zhang, Meixia; Song, Peng; Lu, Xuemei; Ding, Yong
- Abstract
The electromagnetic mechanism (EM) induced by localised surface plasma resonance (LSPR) and the charge transfer mechanism (CT) between adsorbed molecules and the substrate is generally believed to explain the overall effect of surface‐enhanced Raman spectroscopy (SERS). In some cases, the high complexity of the SERS system makes it difficult to identify the enhancement mechanism. In this paper, the synthesised MoO3 with excellent stability, uniformity and versatility is used to study the SERS of several dye molecules and fully clarify the mechanism. The SERS enhancement mechanism is explained mainly by the SERS behaviour of molecules at different wavelengths. This discovery is very helpful for future SERS substrate and mechanism research.
- Subjects
SERS spectroscopy; PLASMA resonance; RAMAN effect; CHARGE transfer
- Publication
Journal of Raman Spectroscopy, 2021, Vol 52, Issue 7, p1275
- ISSN
0377-0486
- Publication type
Article
- DOI
10.1002/jrs.6135