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Metal nanoparticle chains embedded in TiO2 nanotubes prepared by one-step electrodeposition

✍ Scribed by Wei Zhu; Guanzhong Wang; Xun Hong; Xiaoshuang Shen; Dapeng Li; Xing Xie

Book ID
103828015
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
916 KB
Volume
55
Category
Article
ISSN
0013-4686

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✦ Synopsis

Arrays of Ni nanoparticle chains embedded in TiO 2 nanotubes (TiO 2 /Ni) were fabricated by one-step electrodeposition in anodic aluminum oxide membranes. The formation of spacing Ni nanoparticles or continuous nanorods in the TiO 2 nanotubes depends on the deposition potential, the potential waveform, and the pH value in the electrolyte. The growth mechanism is attributed to the generation of H 2 bubbles and their periodical evolution outside of the TiO 2 nanotubes.

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Room-temperature Ti ion implantation and subsequent thermal annealing in N 2 ambience have been used to fabricate the anatase and rutile structured N-doped TiO 2 particles embedded in the surface region of fused silica. The Stopping and Range of Ions in Matter (SRIM) code simulation indicates a Gaus