Alkyl chain effects in thin films of substituted phthalocyanines studied using infrared spectroscopy

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• 作者：A. Haug ; S. Harbeck ; D. Dini ; M. Hanack ; M.J. Cook ; H. Peisert and T. Chassé
• 关键词：Phthalocyanine ; Thin films ; FTIR– ; ATR spectroscopy
• 刊名：Applied Surface Science
• 出版年：2005
• 期刊代码：6_01694332
• 类别：ms
• 出版时间：2005
• 卷：252
• 期：1
• 页码：139-142
• 文件大小：163 K

摘要

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.