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  • Accepted Manuscript: Platinum Nanoparticle Loading of Boron Nitride Aerogel and Its Use as a Novel Material for Low-Power Catalytic Gas Sensing

Title: Platinum Nanoparticle Loading of Boron Nitride Aerogel and Its Use as a Novel Material for Low-Power Catalytic Gas Sensing

We report that a high-surface-area, highly crystalline boron nitride aerogel synthesized with nonhazardous reactants has been loaded with crystalline platinum nanoparticles to form a novel nanomaterial that exhibits many advantages for use in a catalytic gas sensing application. The platinum nanoparticle-loaded boron nitride aerogel integrated onto a microheater platform allows for calorimetric propane detection. The boron nitride aerogel exhibits thermal stability up to 900 °C and supports disperse platinum nanoparticles, with no sintering observed after 24 h of high-temperature testing. The high thermal conductivity and low density of the boron nitride aerogel result in an order of magnitude faster response and recovery times (<2 s) than reported on alumina support and allow for 10% duty cycling of the microheater with no loss in sensitivity. Lastly, the resulting 1.5 mW sensor power consumption is two orders of magnitude less than commercially available catalytic gas sensors and unlocks the potential for wireless, battery-powered catalytic gas sensing.
Authors:
 [1] ;  [2] ;  [2] ;  [1] ;  [3] ;  [2] ;  [1] ;  [1]
+ Show Author Affiliations
  1. Univ. of California, Berkeley, CA (United States). Department of Chemical and Biomolecular Engineering
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Berkeley, CA (United States). Department of Physics, Materials Sciences Division and Kavli Energy NanoSciences Institute
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States). Physical and Life Science Directorate
Publication Date:
Report Number(s):
LLNL-JRNL-691677
Journal ID: ISSN 1616-301X
Grant/Contract Number:
AC52-07NA27344; AC02-05CH11231
Type:
Accepted Manuscript
Journal Name:
Advanced Functional Materials
Additional Journal Information:
Journal Volume: 26; Journal Issue: 3; Journal ID: ISSN 1616-301X
Publisher:
Wiley
Research Org:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; gas sensors; boron nitride aerogel; platinum nanoparticles; microheater; combustible gas
OSTI Identifier:
1409980
Alternate Identifier(s):
OSTI ID: 1440917
Citation Formats
Harley-Trochimczyk, Anna, Pham, Thang, Chang, Jiyoung, Chen, Ernest, Worsley, Marcus A., Zettl, Alex, Mickelson, William, and Maboudian, Roya. Platinum Nanoparticle Loading of Boron Nitride Aerogel and Its Use as a Novel Material for Low-Power Catalytic Gas Sensing. United States: N. p., Web. doi:10.1002/adfm.201503605.
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Harley-Trochimczyk, Anna, Pham, Thang, Chang, Jiyoung, Chen, Ernest, Worsley, Marcus A., Zettl, Alex, Mickelson, William, & Maboudian, Roya. Platinum Nanoparticle Loading of Boron Nitride Aerogel and Its Use as a Novel Material for Low-Power Catalytic Gas Sensing. United States. doi:10.1002/adfm.201503605.
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Harley-Trochimczyk, Anna, Pham, Thang, Chang, Jiyoung, Chen, Ernest, Worsley, Marcus A., Zettl, Alex, Mickelson, William, and Maboudian, Roya. 2015. "Platinum Nanoparticle Loading of Boron Nitride Aerogel and Its Use as a Novel Material for Low-Power Catalytic Gas Sensing". United States. doi:10.1002/adfm.201503605. https://www.osti.gov/servlets/purl/1409980.
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@article{osti_1409980,
title = {Platinum Nanoparticle Loading of Boron Nitride Aerogel and Its Use as a Novel Material for Low-Power Catalytic Gas Sensing},
author = {Harley-Trochimczyk, Anna and Pham, Thang and Chang, Jiyoung and Chen, Ernest and Worsley, Marcus A. and Zettl, Alex and Mickelson, William and Maboudian, Roya},
abstractNote = {We report that a high-surface-area, highly crystalline boron nitride aerogel synthesized with nonhazardous reactants has been loaded with crystalline platinum nanoparticles to form a novel nanomaterial that exhibits many advantages for use in a catalytic gas sensing application. The platinum nanoparticle-loaded boron nitride aerogel integrated onto a microheater platform allows for calorimetric propane detection. The boron nitride aerogel exhibits thermal stability up to 900 °C and supports disperse platinum nanoparticles, with no sintering observed after 24 h of high-temperature testing. The high thermal conductivity and low density of the boron nitride aerogel result in an order of magnitude faster response and recovery times (<2 s) than reported on alumina support and allow for 10% duty cycling of the microheater with no loss in sensitivity. Lastly, the resulting 1.5 mW sensor power consumption is two orders of magnitude less than commercially available catalytic gas sensors and unlocks the potential for wireless, battery-powered catalytic gas sensing.},
doi = {10.1002/adfm.201503605},
journal = {Advanced Functional Materials},
number = 3,
volume = 26,
place = {United States},
year = {2015},
month = {12}
}
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