Discotic Liquid Crystals of Organic Metal Complexes (54): The Conductive Properties of the Crystalline Solid and Liquid Crystalline Mesophases of Bis(octakisdodecyloxy-phthalocyaninato)Iutetium(III)

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概要

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• The conductive properties of bis(octakis-dodecyloxy-phthalocyaninato)lutetium(III), [(C_<12>O)_8Pc]_2Lu, have been studied using the pulse-radiolysis time-resolved microwave conductivity technique (PR-TRMC). On heating a freshly precipitated crystalline solid sample sharp increases in conductivity are observed at 61℃ and 90℃. The increases in conductivity found on entering a higher temperature phase are completely opposite to the behaviour shown by all other octaalkoxy substituted phthalocyanines. From the accompanying increase in lifetime of the conductivity transient at the 90℃ transition we suggest that this involves a change from a tilted to a horizontal columnar stacking of the macrocycles. Comparison of the PR-TRMC results with DSC measurements and pcessible explanations for the anomalous behaviour of the lutetium derivative are discussed.

• 日本液晶学会の論文
• 1996-09-30

著者

• Craats Anick

  Iri Delft University Of Technology

• Hasebe Hiroshi

  Department Of Functional Polymer Science Shinshu University

• Hasebe Hiroshi

  Department Of Civil Engineering College Of Science And Technology Nihon University

• Ohta Kazuchika

  Department Of Functional Polymer Science Shinshu University

• Ohta Kazuchika

  Department Of Functional Polymer Science Faculty Of Textile Science And Technology Shinshu Universit

• Craats Anick

  IRI, Delft University of Technology

• Warman John

  IRI, Delft University of Technology

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