4.6 Article

Oxygen deficiency in MoO3 polycrystalline nanowires and nanotubes

Journal

MATERIALS CHEMISTRY AND PHYSICS
Volume 170, Issue -, Pages 154-161

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2015.12.033

Keywords

Defects; Electron resonance; Oxides; Nanostructures; Raman spectroscopy and scattering

Funding

  1. Slovenian Research Agency [P1-0099, 1000-11-310181]

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We report on the synthesis of polycrystalline molybdenum oxide (MoO3) nanowires via oxidation of molybdenum-sulfur-iodine (Mo6S2I8) nanowires. This unique synthesis route results in an interesting morphology comprising porous nanowires and nanotubes. We found the nanowires to have the orthorhombic MoO3 structure. The structure is slightly oxygen deficient which results in the appearance of a new resonant Raman band (1004 cm(-1)) and paramagnetic defects (Mo5+) of both the point and crystallographic shear plane nature. (C) 2015 Elsevier B.V. All rights reserved.

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