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Alkyl chain effects in thin films of substituted phthalocyanines studied using infrared spectroscopy |
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| Authors: | A Haug D Dini MJ Cook T Chassé |
| Institution: | a Institute of Physical and Theoretical Chemistry, University of Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany b Institute of Organic Chemistry, University of Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany c School of Chemical Sciences & Pharmacy, University of East Anglia, Norwich NR4 7TJ, UK |
| Abstract: | Thin films (2-50 nm) of unsubstituted and 1,4-octa-alkyl substituted zinc phthalocyanines were investigated using attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy, whereas the alkyl chains are C4H7, C7H13, C10H19. The absorption bands in the whole spectral range are discussed. We observe distinct differences in the spectra between the alkyl substituted Phthalocyanine (Pc) compounds. In contrast to PcZn and (but)8PcZn, the spectra of (hep)8PcZn and (dec)8PcZn show two additional features in the spectral range between 3700 and 3000 cm−1, which are discussed in detail. |
| Keywords: | 78 30 Jw |
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