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Phase Behavior of n-Alkyl-substituted Polysilanes

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2003

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Mueller, Christian
Frey1, Holger
Schmidt, Claudia

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https://doi.org/10.1002/9783527610761.ch12
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JUTZI, Peter, ed., Ulrich SCHUBERT, ed.. Silicon Chemistry. Weinheim: Wiley-VCH, 2003, pp. 159-170. ISBN 978-3-527-30647-3. Available under: doi: 10.1002/9783527610761.ch12

Zusammenfassung

Polysilanes are high-molecular-weight polymers with a pure silicon chain as backbone and organic side chains. The σ-conjugation of the silicon backbone leads to interesting properties, such as strong UV absorption and photoconductivity. Poly(di-n-alkylsilanes) with n-alkyl side chains longer than ethyl form mesophases, in which the polymers are hexagonally packed in two dimensions but have highly flexible backbones. Such condis (conformationally disordered) crystals, characterized by a dynamic exchange between different conformations, are also known for other polymers, for example, polysiloxanes and polyphosphazenes. A clear proof of the backbone mobility in these mesophases is provided by solid-state NMR spectroscopy.

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540 Chemie

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ISO 690MUELLER, Christian, Christine PETER, Holger FREY1, Claudia SCHMIDT, 2003. Phase Behavior of n-Alkyl-substituted Polysilanes. In: JUTZI, Peter, ed., Ulrich SCHUBERT, ed.. Silicon Chemistry. Weinheim: Wiley-VCH, 2003, pp. 159-170. ISBN 978-3-527-30647-3. Available under: doi: 10.1002/9783527610761.ch12
BibTex
@incollection{Mueller2003-09-26Phase-40250,
  year={2003},
  doi={10.1002/9783527610761.ch12},
  title={Phase Behavior of n-Alkyl-substituted Polysilanes},
  isbn={978-3-527-30647-3},
  publisher={Wiley-VCH},
  address={Weinheim},
  booktitle={Silicon Chemistry},
  pages={159--170},
  editor={Jutzi, Peter and Schubert, Ulrich},
  author={Mueller, Christian and Peter, Christine and Frey1, Holger and Schmidt, Claudia}
}
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