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- Title
Investigation on SERS of different phase structure TiO<sub>2</sub> nanoparticles.
- Authors
Yang, Libin; Gong, Mengdi; Jiang, Xin; Yin, Di; Qin, Xiaoyu; Zhao, Bing; Ruan, Weidong
- Abstract
In this paper, anatase and rutile TiO2 nanoparticles as well as their mixed crystal phase structure TiO2 nanoparticles were synthesized by a sol-hydrothermal method, and were served as active substrates for surface-enhanced Raman scattering (SERS) study. The results show that the 4-mercaptobenzoic acid probe molecules exhibit different degree SERS enhancements on the surface of different phase structure TiO2 nanoparticles. The mixed crystal structure TiO2 with an appropriate proportion of anatase and rutile phase is favourable to SERS enhancement of adsorbed molecules. These are mainly attributed to the contributions of the TiO2-to-molecule charge transfer mechanism and the mixed crystal effect. Copyright © 2015 John Wiley & Sons, Ltd.
- Subjects
TITANIUM dioxide; RAMAN scattering; NANOPARTICLES; CRYSTAL structure; HYDROTHERMAL synthesis
- Publication
Journal of Raman Spectroscopy, 2015, Vol 46, Issue 3, p287
- ISSN
0377-0486
- Publication type
Article
- DOI
10.1002/jrs.4645