SPECIAL ISSUE ON THE INTERNATIONAL CONFERENCE ON NANOSCIENCE AND TECHNOLOGY; EDITED BY M. K. SANYAL, A. K. RAYCHAUDHURI and D. CHAKRAVORTYNo Access

NOVEL METHOD FOR THE SYNTHESIS OF SILOXANE NANOWIRES AND FILAMENTS USING GOLD NANOPARTICLE CATALYSTS

B. L. V. PRASAD

Physical Chemistry Division, National Chemical Laboratory, Pune 411 008, India

Corresponding author.

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S. STOEVA

Departments of Chemistry and Physics, Kansas State University, Manhattan, KS 66506, USA

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C. M. SORENSEN

Departments of Chemistry and Physics, Kansas State University, Manhattan, KS 66506, USA

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K. J. KLABUNDE

Departments of Chemistry and Physics, Kansas State University, Manhattan, KS 66506, USA

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, and

V. ZAIKOVSKII

Boreskov Institute of Catalysis, Novosibirsk 630090, Russia

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https://doi.org/10.1142/S0219581X0500398XCited by:1 (Source: Crossref)

Abstract

A unique polymerization reaction of alkylsilanes to siloxane nanowires, filaments and tubes in presence of gold nanoparticles and water is presented. The gold nanoparticles, which catalyze this reaction also work as templates restricting the shape of the resulting polymers into wires and tubes. High resolution transmission electron microscopy images clearly reveal the presence of gold nanoparticle at the tip of each wire supporting the template hypothesis. Elemental analyses by different methods confirm the stoichiometry to be C₁₈H₃₇SiO_1.5, when the alkylsilane used was C₁₈H₃₇SiH₃, thus proving that the alkyl group remains intact during the polymerization reaction.

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