Local and Remote Charge-Transfer-Enhanced Raman Scattering on One-Dimensional Transition-Metal Oxides

The one-dimensional (1D) transition-metal oxide MoO3 belt is synthesized and characterized with Xray diffraction, scanning electron microscopy, and Raman spectroscopy. Charge-transfer-(CT) enhanced Raman scattering of 4-mercaptobenzoic acid (4-MBA) on a 1D MoO3 belt was investigated experimentally and theoretically. The chemical enhancement of surface-enhanced Raman scattering (SERS) of 4-MBA on the MoO3 belt by CT is in the order of 10(3). The SERS of 4-MBA was investigated theoretically by using a quantum chemical method. The remote SERS of 4-MBA along the 1D MoO3 belt (the light excitation to one side of the MoO3 belt, and the SERS spectrum is collected on the other side of the MoO3 belt) is also shown experimentally, which provides potential applications of SERS. The incident polarization dependence of remote SERS spectra has also been investigated experimentally.

Huang, Yingzhou (författare)
Yu, Naisen (författare)
Fang, Yurui (författare)
Cao, Baosheng (författare)
Li, Yuanzuo (författare)
Xu, HongxingLund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ftf-hx0 (författare)
Sun, Mengtao (författare)
Fasta tillståndets fysikFysiska institutionen (creator_code:org_t)

Av författaren/redakt...: Dong, Bin; Huang, Yingzhou; Yu, Naisen; Fang, Yurui; Cao, Baosheng; Li, Yuanzuo; visa fler...; Xu, Hongxing; Sun, Mengtao; visa färre...

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