Spray-combustion synthesis of indium tin oxide nanopowder
Chen Z.3; Zhu Y.1; Duan Q.1; Chen A.1; Tang Z.3
Source PublicationJournal of the American Ceramic Society
ISSN15512916 00027820
AbstractNanocrystalline indium tin oxide (ITO) powders were prepared by a novel spray combustion method. Using single-drop study equipment, we studied the thermodynamics of the combustion reaction. The reaction can be ignited at air temperature as lower as 171.3°C when using urea and glucose as composite fuel. Once the reaction is ignited, the combustion temperature can surge to above 500°C, generating nanocrystalline ITO powders with grain size about 40 nm. Footages from high-speed camera demonstrated that the reaction is in three-step: moderate beginning, violent middle, and decaying end. It is also noticed that the ignition is very sensitive to the air temperature, even 0.2°C minus deviation may fail the combustion. The combustion reaction is self-sustainable, which saves the energy supply. And the low ignition temperature means the combustion reaction can be carried out in a conventional spray dryer. Our results provide a feasible way to mass production of nanocrystalline ITO powders, which as a methodology, may be extended to the production of other oxide nanopowders.
Keywordcombustion synthesis compounds indium/indium nanoparticles sol-gel spray drying
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Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Southern University of Science and Technology
2.Universidade de Macau
3.Sun Yat-Sen University
4.University of Science and Technology of China
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GB/T 7714
Chen Z.,Zhu Y.,Duan Q.,et al. Spray-combustion synthesis of indium tin oxide nanopowder[J]. Journal of the American Ceramic Society,2019,102(1):42-47.
APA Chen Z.,Zhu Y.,Duan Q.,Chen A.,&Tang Z..(2019).Spray-combustion synthesis of indium tin oxide nanopowder.Journal of the American Ceramic Society,102(1),42-47.
MLA Chen Z.,et al."Spray-combustion synthesis of indium tin oxide nanopowder".Journal of the American Ceramic Society 102.1(2019):42-47.
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