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Issue 5, 2000
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Discotic liquid crystals of transition metal complexes 27: supramolecular structure of liquid crystalline octakis-alkylthiophthalocyanines and their copper complexes

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Abstract

A series of octakisalkylthiophthalocyanines, (CnS)8PcH2 (n = 8, 10, 12, 16), and their copper(II) complexes, (CnS)8PcCu (n = 8, 10, 12, 16), have been synthesized. Their mesomorphism and supramolecular structures have been investigated by using differential scanning calorimetry, polarizing microscopy, temperature-dependent X-ray diffraction technique and temperature-dependent electronic spectroscopy. From the X-ray diffraction and electronic spectral results, it was revealed that each of the compounds has a Dh mesophase in which columnar structures the molecules form a mixture of the parts of aggregated dimers and monomers. The shapes of dimers are discussed by exciton coupling theory (Kasha's rule).

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Publication details

The article was received on 04 Jan 2000, accepted on 10 Feb 2000 and first published on 30 Mar 2000


Article type: Paper
DOI: 10.1039/B000134L
Citation: J. Mater. Chem., 2000,10, 1083-1090
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    Discotic liquid crystals of transition metal complexes 27: supramolecular structure of liquid crystalline octakis-alkylthiophthalocyanines and their copper complexes

    K. Ban, K. Nishizawa, K. Ohta and H. Shirai, J. Mater. Chem., 2000, 10, 1083
    DOI: 10.1039/B000134L

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