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A new method to produce vanadium oxide nanofibers with dimensions <140nm and tubes is reported. Vanadium oxide was coated on polylactide fibers by a sol–gel method using a reaction mix of ammonium vanadate and acetic acid as starting materials and water as solvent. Vanadium oxide tubes, of about 1μm in diameter, were formed when this coated fiber was heated in nitrogen and oxygen at 300 and 250°C...
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