Configurational Properties of a Stiff-Chain Diaryl Substituted Polysilane in Dilute Solution

Abstract

Dilute solution properties of a diaryl substituted polysilane indicate that the chain exhibits stiffness in solution, with a persistence length on the order of 100A. Measurements of the mean square radius of gyration, intrinsic viscosity and hydrodynamic radius at infinite dilution for a series of molecular weights were fit to theoretical expressions for the wormlike chain to estimate the persistence length. This large persistence length is consistent with the long wavelengths (395 + or - nm) electronic absorption maximum observed for the diaryl substituted silanes. Results are compared with those reported previously for diaryl substituted polysilanes. Keywords: Light scattering.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1988
Accession Number
ADA198412

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  • P. M. Cotts
  • R. D. Miller
  • R. Sooriyakumaran

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  • International Business Machines Corporation (Armonk, NY)

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