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Abstract
The authors report on the electronic emission spectra of free-base phthalocyanine doped into superfluid 4He droplets. The emission spectra of phthalocyanine obtained upon vibronic excitation show a doubling of all lines, absent in the gas phase (Fitch, P.S.H., et al., 1979). Similar features found for Mg-phthalocyanine in 4He droplets suggest that this doubling is due to the He environment. ...
Abstract
The authors report on the electronic emission spectra of free-base phthalocyanine doped into superfluid 4He droplets. The emission spectra of phthalocyanine obtained upon vibronic excitation show a doubling of all lines, absent in the gas phase (Fitch, P.S.H., et al., 1979). Similar features found for Mg-phthalocyanine in 4He droplets suggest that this doubling is due to the He environment. Quantized relaxation states of the 1st He layer surrounding the embedded mol. are discussed as likely causes of the doubling.
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