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  • 1
    Electronic Resource
    Electronic Resource
    Surface-enhanced resonance hyper-Raman (SERHR) spectroscopy of photochromatic molecules (1993)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 24 (1993), S. 695-697 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The surface-enhanced resonance Raman and surfaces enhanced hyper-Raman (SERHR) spectra of a photochromatic indigoid dye were obtained. The influence of stationary additional lighting (AL) at the absorption bands of the photoisomers on the SERHR intensities was observed. This is connected not only with the changes in the photoisomer concentration on the silver surface under AL but also with different scattering intensities of the resonance hyper-Raman spectra of isomers due to their different symmetries.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250241010
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  • 2
    Electronic Resource
    Electronic Resource
    Evidence of quantum-size effect and electron-phonon interactions in resonance Raman scattering spectra of semiconductor nanocrystals (1993)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 24 (1993), S. 767-773 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Raman spectra of II-VI semiconductor nanocrystals embedded in silicate glass matrices with near-resonance and resonance excitation in the range of electron transitions between size-quantized energy levels were studied. It is shown that only the transitions with angular momentum l = 0, 2 contribute to the resonance Raman enhancement. The influence of the electron-phonon interaction on the Raman excitation profiles of the LO phonons and elastic vibrations of nanocrystals is analysed. The effect of the matrix on the intensities and frequencies of the low-frequency Raman (LFR) bands and the possibilities of determining the particle size determination using LFR spectra are discussed.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250241108
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    Paper (German National Licenses)
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