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Nature of Atomic and Molecular Nitrogen Configurations in TiO 2− x N x Nanotubes and Tailored Energy‐Storage Performance on Selective Doping of Atomic N States

2008; Wiley; Volume: 4; Issue: 10 Linguagem: Inglês

10.1002/smll.200800927

1613-6829

Kyu Sung Han, Jung Woo Lee, Yong Kang, Jeong Yong Lee, Jeung Ku Kang,

Advanced Battery Materials and Technologies

Matters of state: Highly ordered TiO2−xNx nanotubes selectively doped with atomic N states instead of molecular N2 states (see picture) result in an enhanced energy-storage performance for Li ions. N-doped nanotubes maintain the anatase structure of pure TiO2 if nitrogen doping levels are small.