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Title: Synthesis of low-size flower-like AlOOH structures
Authors: Bakina, Olga Vladimirovna
Glazkova, Elena Alekseevna
Svarovskaya, Natalia Valentinovna
Lozhkomoev, Aleksandr Sergeevich
Khorobraya, Elena
Psakhie, Sergey Grigorievich
Keywords: синтез; биметаллические наночастицы; электрический взрыв; аргон; пористые структуры; нанопорошки; композитные структуры; псевдобемит; антибактериальные свойства
Issue Date: 2014
Publisher: AIP Publishing
Citation: Synthesis of low-size flower-like AlOOH structures / O. V. Bakina [et al.] // AIP Conference Proceedings. — 2014. — Vol. 1623 : International Conference on Physical Mesomechanics of Multilevel Systems 2014, Tomsk, Russia, 3–5 September 2014 : [proceedings]. — [P. 35-38].
Abstract: Al/Cu, Al/Zn, and Al/Fe bimetallic nanoparticles have been obtained using the method of simultaneous electrical explosion of metal pairs in an argon atmosphere. The nanoparticles are chemically active and interact with water at 60°C forming flower-like hierarchical porous structures with a high specific surface area. As the Al/Cu nanopowder is oxidized with water, flower-like pseudoboehmite composite structures are formed with the size of under 1.0 [mu]m; structurally heterogeneous electron-dense spherical inclusions of unreacted metal copper and intermetallides are identified inside them. Al/Fe product transformations are presented by the flower-like pseudoboehmite surrounded by lamellar structures enriched with ferric oxides. Al/Zn nanoparticles react with water, forming the flower-like pseudoboehmite and mainly hexagonal zinc oxide laminae. The composite particles obtained can be used as antibacterial agents in manufacturing medical supplies.
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