Thin aerogel films for optical, thermal, acoustic, and electronic applications

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Description

Aerogels are a special class of continuously porous solid materials which are characterized by nanometer size particles and pores. Typically, aerogels are made using sol-gel chemistry to form a solvent filled, high porosity gel that is dried by removing the solvent without collapsing the tenuous solid phase. As bulk materials, aerogels are known to have many exceptional, and even some unique physical properties. Aerogels provide the highest thermal insulation and lowest dielectric constant of any other material known. However, some important applications require the aerogels in the form of thin films or sheets. For example, electronic applications require micrometer thin ... continued below

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14 p.

Creation Information

Hrubesh, L.W. & Poco, J.F. September 1, 1994.

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This report 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 114 times , with 6 in the last month . More information about this report can be viewed below.

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  • Hrubesh, L.W.
  • Poco, J.F. Lawrence Livermore National Lab., CA (United States). Chemistry and Material Sciences Dept.

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Description

Aerogels are a special class of continuously porous solid materials which are characterized by nanometer size particles and pores. Typically, aerogels are made using sol-gel chemistry to form a solvent filled, high porosity gel that is dried by removing the solvent without collapsing the tenuous solid phase. As bulk materials, aerogels are known to have many exceptional, and even some unique physical properties. Aerogels provide the highest thermal insulation and lowest dielectric constant of any other material known. However, some important applications require the aerogels in the form of thin films or sheets. For example, electronic applications require micrometer thin aerogel films bonded to a substrate, and others require thicker films, either on a substrate or as free standing sheets. Special methods are required to make aerogel thin films or sheets. In this paper, the authors discuss the special conditions needed to fabricate thin aerogel films and they describe methods to make films and thin sheets. They also give some specific applications for which aerogel films are being developed.

Physical Description

14 p.

Notes

OSTI as DE96002664

Source

  • 4. international symposium on aerogels, Berkeley, CA (United States), 18-21 Sep 1994

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  • Other: DE96002664
  • Report No.: UCRL-JC--117553
  • Report No.: CONF-9409153--2
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/161530 | External Link
  • Office of Scientific & Technical Information Report Number: 161530
  • Archival Resource Key: ark:/67531/metadc621815

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Office of Scientific & Technical Information Technical Reports

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

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Creation Date

  • September 1, 1994

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

Description Last Updated

  • Feb. 23, 2016, 3:46 p.m.

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Hrubesh, L.W. & Poco, J.F. Thin aerogel films for optical, thermal, acoustic, and electronic applications, report, September 1, 1994; California. (digital.library.unt.edu/ark:/67531/metadc621815/: accessed June 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.