期刊
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
卷 22, 期 7, 页码 890-894出版社
SPRINGER
DOI: 10.1007/s10854-010-0231-7
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资金
- National Science Council of Taiwan [NSC 97-2112-M011-001-MY3]
IrO2 nanocrystals (NCs) were grown on vertically aligned carbon nanotube (CNT) templates, forming IrO2/CNT nanocomposites, by metal organic chemical vapour deposition using (C6H7)(C8H12)Ir as a source reagent. The surface morphology, structural and spectroscopic properties of the nanocomposites were characterized using field-emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and Raman scattering. IrO2 varied from particle- to tube-like NCs as the deposition time increased from 5 to 60 min. The particle-like IrO2 NCs may be used as a protective layer on CNTs, providing stable and uniform field emission application. The tube-like structure may increase the surface-to-volume ratio which makes the IrO2/CNT nanocomposites as an attractive candidate for the supercapacitor application.
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