Surface-enhanced Raman scattering and surface-enhanced resonant Raman scattering studies of perylenetetracarboxylic derivatives on Ag-coated Sn spheres and Ag and Au Island films

Journal Article · Thu Aug 10 00:00:00 EDT 1989 · Journal of Physical Chemistry; (USA)

DOI:https://doi.org/10.1021/j100353a035· OSTI ID:7073137

Guhathakurta-Ghosh, U; Aroca, R ^[1]

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1. Univ. of Windsor, Ontario (Canada)

Surface-enhanced Raman scattering (SERS) and surface-enhanced resonant Raman scattering (SERRS) of perylene-tetracarboxylic dianhydride and diimide have been studied on three different SERS-active surfaces. SERS and SERRS spectra obtained on metal island films of Ag and Au, with well-defined plasmon resonances in the visible region of the spectrum, are compared with the surface-enhanced scattering obtained on Ag-coated Sn spheres. It is shown that the latter surface is SERS active in a wide spectral region encompassing that of the Ag and Au island films. A negative dependence for the SERRS intensity with the increase of surface coverage emerged from the experimental data. Molecular spectra obtained by SERRS at submonolayer surface coverage provided the required information for a definite vibrational interpretation of multiplets observed in the Raman spectra of thin solid films of both compounds.

• OSTI ID: 7073137
• Journal Information: Journal of Physical Chemistry; (USA), Vol. 93:16; ISSN 0022-3654
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
THIN FILMS
RAMAN SPECTRA
CARBOXYLIC ACIDS
EXPERIMENTAL DATA
GOLD
MEASURING INSTRUMENTS
MEASURING METHODS
SEMICONDUCTOR MATERIALS
SILVER
TIN
DATA
ELEMENTS
FILMS
INFORMATION
MATERIALS
METALS
NUMERICAL DATA
ORGANIC ACIDS
ORGANIC COMPOUNDS
SPECTRA
TRANSITION ELEMENTS
360603* - Materials- Properties
400201 - Chemical & Physicochemical Properties