Flower-shaped ALOOH nanostructures synthesized by the reaction of an AlN/Al composite nanopowder in water

Olga V. Bakina, Natalia Valentinovna Svarovskaya, Elena A. Glazkova, Aleksandr S. Lozhkomoev, Elena G. Khorobraya, Marat Izrailevich Lerner

Research output: Contribution to journalArticle

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Abstract

Composite AlN/Al nanoparticles were produced by the method of the electrical explosion of wire in a nitrogen atmosphere. The mass ratio of aluminum and aluminum nitride in the nanoparticles was regulated by the nitrogen pressure. Flower-shaped mesoporous pseudoboehmite (AlOOH) nanoparticles were fabricated by the reaction of composite AlN/Al nanoparticles with water. The kinetic regularities of the AlN/Al conversion in diluted aqueous suspensions at 60 °C were studied. The effect of the mass ratio of aluminum and aluminum nitride in AlN/Al was shown. The flower-shaped AlOOH nanoparticles consist of nanopetals with a planar dimension of 150-300 nm and a thickness of 5-10 nm. The flower-like structures have sizes of approximately 300-600 nm. The increase in the mass ratio of aluminum nitride in AlN/Al results in an increase of the specific surface area of the pseudoboehmite nanopetals from 255 m2/g to 330 m2/g and an increase in the mesopore volume from 0.363 cm3/g to 0.439 cm3/g. The average pore size was 4-10 nm. The zeta-potential also increases from 32 mV to 46 mV with an increase in the mass ratio of aluminum nitride.

Original languageEnglish
Pages (from-to)1512-1519
Number of pages8
JournalAdvanced Powder Technology
Volume26
Issue number6
DOIs
Publication statusPublished - Nov 2015

Fingerprint

Aluminum nitride
Nanostructures
Nanoparticles
Water
Composite materials
Aluminum
Nitrogen
Zeta potential
Specific surface area
Pore size
Explosions
Suspensions
Wire
Kinetics
aluminum nitride
aluminum oxide hydroxide

Keywords

  • Alumina
  • Aluminum nitride
  • Boehmite
  • Electrical explosion of wire (EEW)
  • Nanomaterials

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Mechanics of Materials

Cite this

Flower-shaped ALOOH nanostructures synthesized by the reaction of an AlN/Al composite nanopowder in water. / Bakina, Olga V.; Svarovskaya, Natalia Valentinovna; Glazkova, Elena A.; Lozhkomoev, Aleksandr S.; Khorobraya, Elena G.; Lerner, Marat Izrailevich.

In: Advanced Powder Technology, Vol. 26, No. 6, 11.2015, p. 1512-1519.

Research output: Contribution to journalArticle

Bakina, Olga V. ; Svarovskaya, Natalia Valentinovna ; Glazkova, Elena A. ; Lozhkomoev, Aleksandr S. ; Khorobraya, Elena G. ; Lerner, Marat Izrailevich. / Flower-shaped ALOOH nanostructures synthesized by the reaction of an AlN/Al composite nanopowder in water. In: Advanced Powder Technology. 2015 ; Vol. 26, No. 6. pp. 1512-1519.
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