Development of a technology for obtaining a multilayer nanoporous aluminium oxide

Yuferov, Yuliy; Arnautov, Alexander; Чукин, А. В.; Schak, A. V.; Шишкин, Р. А.

doi:10.1063/1.5134339

Cited by 2 publications

(1 citation statement)

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“…It is usually synthesized by the hydrolysis of titanium salt solutions [1,2], hydro or solvo-thermal techniques [3][4][5][6], chemical vapor deposition [7,8], and anodizing. The latter allows obtaining nanostructured oxide coatings with a large specific surface area on titanium [9][10][11][12][13][14][15][16][17][18], aluminum [19][20][21][22][23][24][25][26], and other metals and alloys [27][28][29]. Yuferov et al previously studied the dependence of the photocatalytic properties of nanotubular titanium oxide (NTO) on the anodizing process [11].…”

Section: Introductionmentioning

confidence: 99%

Study of the Photocatalytic Properties of Ni-Doped Nanotubular Titanium Oxide

et al. 2023

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Nanotubular titanium oxide is widely known as a prospective semiconductor photocatalyst for the process of water splitting. Its photoelectrochemical (PEC) efficiency can be improved by doping with 3d metal. In this work, the synthesis of nanotubular titanium oxide (NTO) was carried out by anodizing titanium substrates using two doping techniques. First, Ni-doped TiO2 was obtained by immersion in Ni salt solution; second, an ethylene glycol-based fluoride electrolyte containing Ni2+ ions solution was used. The obtained samples were analyzed using SEM, XRD, and photoelectrochemical methods. The produced Ni-doped NTO exhibited photocatalytic activity twice as high as that of nondoped NTO. Additionally, it was found that the immersion technique initiated a shift of the incident photon to converted electron (IPCE) spectra to the visible part of the spectrum.

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