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  • 1
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Physics Edition 23 (1985), S. 305-313 
    ISSN: 0098-1273
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The morphology of fully and partially polymerized poly(phthalocyaninatogermoxane), [Ge(Pc)O]n, crystals was studied by both scanning and transmission electron microscopy. It was found that the morphological units are lath-like crystals which aggregate into particles. Generally speaking, the thickness, width, and length of the laths are in the range of 1000-2000 Å, 2000-10,000 Å, and 1-5 μm, respectively. Each lath may possess a mosaic substructure. Selected-area electron diffraction patterns indicate that the rigid, extended [Ge(Pc)O]n chains are parallel to the large surface of the lath, and in most crystals the chains lie parallel to the lengthwise direction of the lath. However, in several cases, the chain orientation is at an angle of about 60° with respect to the long edge of the lath. The electron diffraction results are in accord with a tetragonal crystal structure (P4/m).
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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