New hybrid polysilane/polysiloxane nanocomposites

PDF Version Also Available for Download.

Description

Polysilanes are saturated organosilicon macromolecules which display polyene-like electronic properties derived from {sigma}-bond delocalization along the catenated silicon backbone. Potential commercial applications of polysilanes include display devices, NLO materials, semiconductors, photoresists and photoconductors. While Wuertz coupling of dichlorosilane monomers is currently the best synthetic route for large scale preparation of high molecular weight polysilanes, drawbacks include using stoichiometric quantities of molten alkali metal, low polymer yields and significant amounts of hazardous waste. These reaction conditions also limit one`s choice of side group to the most robust organic substituents. Titanocene- and zirconocene-catalyzed polymerization of phenylsilane under mild conditions provides an attractive ... continued below

Physical Description

14 p.

Creation Information

Jamison, G.M.; Loy, D.A.; Opperman, K.A.; Beach, J.V. & Waymouth, R.M. July 1, 1996.

Context

This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 19 times . More information about this article can be viewed below.

Who

People and organizations associated with either the creation of this article or its content.

Authors

Sponsor

Publisher

  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

Provided By

UNT Libraries Government Documents Department

Serving as both a federal and a state depository library, the UNT Libraries Government Documents Department maintains millions of items in a variety of formats. The department is a member of the FDLP Content Partnerships Program and an Affiliated Archive of the National Archives.

Contact Us

What

Descriptive information to help identify this article. Follow the links below to find similar items on the Digital Library.

Description

Polysilanes are saturated organosilicon macromolecules which display polyene-like electronic properties derived from {sigma}-bond delocalization along the catenated silicon backbone. Potential commercial applications of polysilanes include display devices, NLO materials, semiconductors, photoresists and photoconductors. While Wuertz coupling of dichlorosilane monomers is currently the best synthetic route for large scale preparation of high molecular weight polysilanes, drawbacks include using stoichiometric quantities of molten alkali metal, low polymer yields and significant amounts of hazardous waste. These reaction conditions also limit one`s choice of side group to the most robust organic substituents. Titanocene- and zirconocene-catalyzed polymerization of phenylsilane under mild conditions provides an attractive route to oligophenylsilanes with degrees of polymerization approaching 40, making the resulting of oligomers amenable for many electronic applications. While only arylsilanes can be polymerized by this route, the resulting oligophenylsilane can be functionalized by free radical hydrosilation of olefins, carbonyls and imines. Substitution along the polysilane backbone with sol-gel precursors should generate soluble functionalized polymer and ought to yield, after sol-gel polymerization, materials where the chromophore is entrained within a relatively inert siloxane matrix, an attractive strategy for utilizing polysilanes under thermally demanding or photooxidative conditions. Here the authors describe the extension of this approach to include (alkoxysilyl)propyl functionalities as latent sol-gel polymerizable residues, and the preparation of a new class of hybrid organic-inorganic polysilane-siloxane materials, derived from the sol-gel polymerization of functionalized polysilanes 2a-c.

Physical Description

14 p.

Notes

OSTI as DE96010973

Source

  • 212. national meeting of the American Chemical Society (ACS), Orlando, FL (United States), 25-30 Aug 1996

Language

Item Type

Identifier

Unique identifying numbers for this article in the Digital Library or other systems.

  • Other: DE96010973
  • Report No.: SAND--96-1282C
  • Report No.: CONF-960807--7
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 266607
  • Archival Resource Key: ark:/67531/metadc672836

Collections

This article is part of the following collection of related materials.

Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

What responsibilities do I have when using this article?

When

Dates and time periods associated with this article.

Creation Date

  • July 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

Description Last Updated

  • April 13, 2016, 4:03 p.m.

Usage Statistics

When was this article last used?

Yesterday: 0
Past 30 days: 2
Total Uses: 19

Interact With This Article

Here are some suggestions for what to do next.

Start Reading

PDF Version Also Available for Download.

Citations, Rights, Re-Use

Jamison, G.M.; Loy, D.A.; Opperman, K.A.; Beach, J.V. & Waymouth, R.M. New hybrid polysilane/polysiloxane nanocomposites, article, July 1, 1996; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc672836/: accessed October 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.