Raman study of thermochromic phase transition in tungsten trioxide nanowires
作者： Dong Yu Lu , Jian Chen , Huan Jun Chen , Li Gong , Shao Zhi Deng
DOI: 10.1063/1.2435616
关键词:
摘要: Tungsten trioxide (WO3) nanowires were synthesized by thermal evaporation of tungsten powder in two steps: suboxide (WO3−x) synthesized, and then oxidized O2 ambient transformed into WO3 nanowires. Raman spectroscopy was applied to study the thermochromic phase transition one-dimensional From temperature dependence characteristic mode at 33cm−1 WO3, determined. It found that reversible temperatures even lower than nanopowder.
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