期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 116, 期 43, 页码 23153-23159出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp3079666
关键词
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资金
- Korean government (NRF) [2010-0024254, 2007-0056333]
- National Research Foundation of Korea [2010-0024254] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Solid cylindrical-shaped (SCS) microtowers composed of hexagonal ZnO/C core-shell nanorods were fabricated through a facile sealed thermolysis route. The microtowers were simultaneously grown along both the axial and radial directions. Dilute acid treatment of the ZnO/C core-shell nanorods led to the formation of carbon nanotubes in the insoluble phase, and ZnO plates were produced by precipitation of the soluble phase upon addition of a base. The as-prepared products were characterized by transmission electron microscopy, scanning electron microscopy, X-ray diffraction, and Raman spectroscopy. The electrical conductivity of the SCS microtowers and carbon nanotubes was measured. A microtower growth mechanism was proposed based on observation of the temperature-dependent shape changes.
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