Nanoparticles of wurtzite aluminum nitride from the nut shells

Nanoparticles of aluminum nitride were produced from a thermal treatment of a mixture of aluminum oxide (Al2O3) and shells of almond, cashew, coconuts, pistachio, and walnuts in a nitrogen atmosphere at temperatures in excess of 1450 °C. By selecting the appropriate ratios of each nut powder to Al2O...

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Bibliographic Details
Published in:AIP advances 2016-11, Vol.6 (11), p.115204-115204-6
Main Authors: Qadri, S. B., Gorzkowski, E. P., Rath, B. B., Feng, C. R., Amarasinghe, R.
Format: Article
Language:English
Subjects:
Aluminum nitride
Aluminum oxide
Fourier transforms
Heat treatment
Infrared analysis
Nanoparticles
Raman spectra
Thermal reduction
Transmission electron microscopy
Walnuts
Wurtzite
X-ray diffraction
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Summary:Nanoparticles of aluminum nitride were produced from a thermal treatment of a mixture of aluminum oxide (Al2O3) and shells of almond, cashew, coconuts, pistachio, and walnuts in a nitrogen atmosphere at temperatures in excess of 1450 °C. By selecting the appropriate ratios of each nut powder to Al2O3, it is shown that stoichiometric aluminum nitride can be produced by carbo-thermal reduction in nitrogen atmosphere. Using x-ray diffraction analysis, Raman scattering and Fourier Transform Infrared spectroscopy, it is demonstrated that aluminum nitride consists of pure wurtzite phase. Transmission electron microscopy showed the formation of nanoparticles and in some cases nanotubes of AlN.
ISSN:2158-3226
2158-3226
DOI:10.1063/1.4967279