Formation of micro/nanostructured AlOOH hollow spheres from aluminum nanoparticles

A. S. Lozhkomoev, E. A. Glazkova, S. O. Kazantsev, I. A. Gorbikov, O. V. Bakina, Natalia Valentinovna Svarovskaya, A. A. Miller, Marat Izrailevich Lerner, S. G. Psakhie

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Micro/nanostructured AlOOH hollow spheres have been obtained via one-step synthesis. Spherical aluminum nanoparticles coated with amorphous oxide film are used as a precursor. Hollow spheres of AlOOH are formed during the oxidation of aluminum nanoparticles with water. In order to study the evolution of hollow spheres, electron microscopy studies of the reaction intermediates at various stages of the process are carried out. Micro/nanostructured AlOOH hollow spheres have a diameter of 500–800 nm, and their shells consist of boehmite nanosheets with a planar size of 200–300 nm and a thickness of 2–10 nm. It is shown that the formation of AlOOH hollow spheres occurs through dissolution of aluminum core, the diffusion of Al3+ ions through the surface oxide film, and the formation of islands of amorphous Al(OH)3 at the particle–water interface. Further, the formation and growth of AlOOH nanosheets and the formation of a porous shell from nanosheets take place. As a result, the oxide film serves as a substrate for growth of boehmite nanosheets and the formation of micro/nanostructured AlOOH hollow sphere. Morphology and physicochemical properties of the hollow spheres are characterized by transmission and scanning electron microscopy, X-ray diffraction, energy-dispersive analysis, and low-temperature nitrogen adsorption.

Original languageEnglish
Pages (from-to)858-864
Number of pages7
JournalNanotechnologies in Russia
Volume10
Issue number11
DOIs
Publication statusPublished - 1 Nov 2015

Fingerprint

Aluminum
hollow
Nanoparticles
aluminum
Nanosheets
nanoparticles
Oxide films
oxide films
Reaction intermediates
reaction intermediates
Amorphous films
aluminum oxide hydroxide
Electron microscopy
electron microscopy
dissolving
Dissolution
Nitrogen
Transmission electron microscopy
Adsorption
nitrogen

Keywords

  • AlOOH
  • hollow spheres
  • micro/nanostructures
  • nanoparticles

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Materials Science(all)
  • Engineering(all)

Cite this

Lozhkomoev, A. S., Glazkova, E. A., Kazantsev, S. O., Gorbikov, I. A., Bakina, O. V., Svarovskaya, N. V., ... Psakhie, S. G. (2015). Formation of micro/nanostructured AlOOH hollow spheres from aluminum nanoparticles. Nanotechnologies in Russia, 10(11), 858-864. https://doi.org/10.1134/S1995078015060075

Formation of micro/nanostructured AlOOH hollow spheres from aluminum nanoparticles. / Lozhkomoev, A. S.; Glazkova, E. A.; Kazantsev, S. O.; Gorbikov, I. A.; Bakina, O. V.; Svarovskaya, Natalia Valentinovna; Miller, A. A.; Lerner, Marat Izrailevich; Psakhie, S. G.

In: Nanotechnologies in Russia, Vol. 10, No. 11, 01.11.2015, p. 858-864.

Research output: Contribution to journalArticle

Lozhkomoev, AS, Glazkova, EA, Kazantsev, SO, Gorbikov, IA, Bakina, OV, Svarovskaya, NV, Miller, AA, Lerner, MI & Psakhie, SG 2015, 'Formation of micro/nanostructured AlOOH hollow spheres from aluminum nanoparticles', Nanotechnologies in Russia, vol. 10, no. 11, pp. 858-864. https://doi.org/10.1134/S1995078015060075
Lozhkomoev AS, Glazkova EA, Kazantsev SO, Gorbikov IA, Bakina OV, Svarovskaya NV et al. Formation of micro/nanostructured AlOOH hollow spheres from aluminum nanoparticles. Nanotechnologies in Russia. 2015 Nov 1;10(11):858-864. https://doi.org/10.1134/S1995078015060075
Lozhkomoev, A. S. ; Glazkova, E. A. ; Kazantsev, S. O. ; Gorbikov, I. A. ; Bakina, O. V. ; Svarovskaya, Natalia Valentinovna ; Miller, A. A. ; Lerner, Marat Izrailevich ; Psakhie, S. G. / Formation of micro/nanostructured AlOOH hollow spheres from aluminum nanoparticles. In: Nanotechnologies in Russia. 2015 ; Vol. 10, No. 11. pp. 858-864.
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