Improved oxidation resistance of organic/inorganic composite atomic layer deposition coated cellulose nanocrystal aerogels Public Deposited

http://ir.library.oregonstate.edu/concern/articles/c534fq803

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  • Cellulose nanocrystal (CNC) aerogels are coated with thin conformal layers of Al₂O₃ using atomic layer deposition to form hybrid organic/inorganic nanocomposites. Electron probe microanalysis and scanning electron microscopy analysis indicated the Al₂O₃ penetrated more than 1500 μm into the aerogel for extended precursor pulse and exposure/purge times. The measured profile of coated fiber radius versus depth from the aerogel surface agrees well with simulations of precursor penetration depth in modeled aerogel structures. Thermogravimetric analysis shows that Al₂O₃ coated CNC aerogel nanocomposites do not show significant thermal degradation below 295°C as compared with 175°C for uncoated CNC aerogels, an improvement of over 100°C.
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  • Smith, S. W., Buesch, C., Matthews, D. J., Simonsen, J., & Conley Jr, J. F. (2014). Improved oxidation resistance of organic/inorganic composite atomic layer deposition coated cellulose nanocrystal aerogels. Journal of Vacuum Science & Technology A, 32(4), 041508. doi:10.1116/1.4882239
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  • description.provenance : Submitted by Erin Clark (erin.clark@oregonstate.edu) on 2014-08-11T18:14:28Z No. of bitstreams: 1 BueschChristianForestryImprovedOxidationResistance.pdf: 2397266 bytes, checksum: 290d9d3848a8d0c88c66fe2839399027 (MD5)
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  • description.provenance : Approved for entry into archive by Erin Clark(erin.clark@oregonstate.edu) on 2014-08-11T18:14:44Z (GMT) No. of bitstreams: 1 BueschChristianForestryImprovedOxidationResistance.pdf: 2397266 bytes, checksum: 290d9d3848a8d0c88c66fe2839399027 (MD5)

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