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Title: Crystalline boron nitride aerogels

Abstract

This disclosure provides methods and materials related to boron nitride aerogels. For example, one aspect relates to a method for making an aerogel comprising boron nitride, comprising: (a) providing boron oxide and an aerogel comprising carbon; (b) heating the boron oxide to melt the boron oxide and heating the aerogel; (c) mixing a nitrogen-containing gas with boron oxide vapor from molten boron oxide; and (d) converting at least a portion of the carbon to boron nitride to obtain the aerogel comprising boron nitride. Another aspect relates to a method for making an aerogel comprising boron nitride, comprising heating boron oxide and an aerogel comprising carbon under flow of a nitrogen-containing gas, wherein boron oxide vapor and the nitrogen-containing gas convert at least a portion of the carbon to boron nitride to obtain the aerogel comprising boron nitride.

Inventors:
; ; ; ; ;
Issue Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1413254
Patent Number(s):
9840414
Application Number:
15/408,297
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA); The Regents of the University of California (Oakland, CA)
Patent Classifications (CPCs):
C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01P - INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
DOE Contract Number:  
AC02-05CH11231; AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 2017 Jan 17
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Zettl, Alexander K., Rousseas, Michael, Goldstein, Anna P., Mickelson, William, Worsley, Marcus A., and Woo, Leta. Crystalline boron nitride aerogels. United States: N. p., 2017. Web.
Zettl, Alexander K., Rousseas, Michael, Goldstein, Anna P., Mickelson, William, Worsley, Marcus A., & Woo, Leta. Crystalline boron nitride aerogels. United States.
Zettl, Alexander K., Rousseas, Michael, Goldstein, Anna P., Mickelson, William, Worsley, Marcus A., and Woo, Leta. Tue . "Crystalline boron nitride aerogels". United States. https://www.osti.gov/servlets/purl/1413254.
@article{osti_1413254,
title = {Crystalline boron nitride aerogels},
author = {Zettl, Alexander K. and Rousseas, Michael and Goldstein, Anna P. and Mickelson, William and Worsley, Marcus A. and Woo, Leta},
abstractNote = {This disclosure provides methods and materials related to boron nitride aerogels. For example, one aspect relates to a method for making an aerogel comprising boron nitride, comprising: (a) providing boron oxide and an aerogel comprising carbon; (b) heating the boron oxide to melt the boron oxide and heating the aerogel; (c) mixing a nitrogen-containing gas with boron oxide vapor from molten boron oxide; and (d) converting at least a portion of the carbon to boron nitride to obtain the aerogel comprising boron nitride. Another aspect relates to a method for making an aerogel comprising boron nitride, comprising heating boron oxide and an aerogel comprising carbon under flow of a nitrogen-containing gas, wherein boron oxide vapor and the nitrogen-containing gas convert at least a portion of the carbon to boron nitride to obtain the aerogel comprising boron nitride.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2017},
month = {12}
}

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