期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 20, 期 39, 页码 8557-8562出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0jm02059a
关键词
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资金
- Ministry of Knowledge Economy
- KERI, Republic of Korea [10-12-N0101-17]
We present a simple process for the fabrication of high performance transparent conducting films that contain single-walled carbon nanotubes (SWCNTs) noncovalently coated with an ultrathin titania layer. The hydrophobic interactions between nanotube surfaces and the acetylacetone (acac) ligands used to stabilize the TiO(2) precursor provide an interesting alternative method for noncovalently coating the SWCNTs with a titania layer. The ultrathin titania layer on SWCNTs prevented the oxidation of functionalized SWCNTs at high temperatures, and protected against water molecule absorption. Moreover, the uniform and thin titania layer, formed via hydrophobic interactions, promoted the selective removal of amorphous carbonaceous materials upon heating to 300 degrees C as well as withdrawing electrons from the nanotubes. The noncovalent titania coating of the SWCNTs may potentially exhibit other interesting physical properties relevant to applications such as transparent conducting films, photo-catalysis, and sensor electrodes.
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