Synthesis of Titanate Nanotube from Different Phases of TiO2 Powders and Its Hydrogen Absorption Capacity
Titanate nanotubes were synthesized by hydrothermal method with different NaOH concentration using various TiO2 powders (P-25, rutile, anatase, and Ni doped TiO2) at 120 °C for 24 hrs. At 10 M NaOH, Ni doped TiO2 powders formed the titanate nanotubes
which consisted of layered structure such as A2Ti2O5·H2O, A2Ti3O7, H2TiO·H2O (A = Na and/or H) with outer and inner diameter of ∼10 nm and 6 nm. Ni doped nanotubes absorbed
a small amount of hydrogen at 6 and 10 atm, however, uptake of hydrogen was 1.2 wt% at 20 atm.
Keywords: HYDROTHERMAL METHOD; MECHANICAL ALLOYING; TITANATE NANOTUBES
Document Type: Research Article
Publication date: 01 February 2009
- Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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