Stability of radicals in aryl-substituted polysilanes with linear and planar silicon skeleton structures

Article Abstract:

The stability of silyl radicals in solid-state poly(methylphenylsilane) (PMPS), PMPS containing structural defects and poly(phenylsilane) (PPS) with a silicon skeleton network has been studied. PMPS and phenyl-substituted PPS were subjected to 60Co gamma rays in the solid state. Results indicate that neutral silyl radicals in solid aryl-substituted polysilanes were found to be weaker than radicals obtained from dimethyl-substituted polysilanes. The radicals are stabilized by the defect in the silicon skeleton and the highly-branched silyl radicals have excellent stability.

Analysis, Chemical equilibrium, Radicals (Chemistry), Silane, Silanes

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Fabrication of nanowires using high-energy ion beams

Article Abstract:

Nanowire formation in Si-based polymer thin films using a heavy ion beam is discussed in terms of energy density deposition along ion tracks. Gelation of the polymer along the ion track results in cross-linking to produce nanowires with size and number density controllable by selecting appropriate ion beam characteristics and polymer materials

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Silicon, Ions, Chemical properties, Atomic properties

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