Nano Science and Technology Institute
Nanotech 2009 Vol. 1
Nanotech 2009 Vol. 1
Nanotechnology 2009: Fabrication, Particles, Characterization, MEMS, Electronics and Photonics
Chapter 1: Nano Fabrication

Single-step synthesis of visible-light TiO(2-X)N(X) photocatalyst nanopowder by thermal plasma

Authors:C-Y Tsai, H-C Hsi
Affilation:National Kaohsiung First University of Science & Technology, TW
Pages:59 - 62
Keywords:nitrogen doped, titanium dioxide, evaporation condensation, plasma torch
Abstract:In this study, TiO(2-X)N(X) was synthesized using transferred DC plasma torch as the heating source. As a result, the nanopowders of TiO(2-X)N(X) were formed via a single-step process. The formed TiO(2-X)N(X) nanopowder was characterized with TEM, XRD and UV-Vis. The obtained results indicated that the nanopowder had a size within 5–20 nm. The formed TiO(2-X)N(X) nanopowder was a mixture of the anatase and rutile phase. An evident red-shift in wavelength absorption was observed. These results revealed that the proposed thermal plasma method successfully fabricated N-doped TiO(2) in a single step.
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