期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 118, 期 35, 页码 20620-20626出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp505407j
关键词
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资金
- Australian Research Council [FT0990356, DP110100565, DP110100550]
- QLD government [2011002414]
- UQ New Staff Research Start-Up Funds [2012000248]
- UQ Early Career Research Grants [2012003247]
- Australian Research Council [FT0990356] Funding Source: Australian Research Council
High-quality Bi2Se3 nanoribbons and nanowires were synthesized by a Au-catalyzed chemical vapor deposition method. Detailed structural and chemical characterizations using scanning and transmission electron microscopy show that the growth of both Bi2Se3 nanoribbons and nanowires is governed by the vapor-solid-solid growth mechanism, and the nanoribbons grow along < 11 (2) over bar0 > and nanowires grow along < 0001 > directions. Detailed in situ scanning tunneling microscope-transmission electron microscopy electrical measurements show that the nanoribbons are much more conductive than the nanowires with a conductivity anisotropy ratio of similar to 2.5 x 10(2) at room temperature.
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