期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 113, 期 31, 页码 13658-13663出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp903605p
关键词
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资金
- National Research Laboratory Program [R0A-2007-000-20037-0]
- Center for Nanoscale Mechatronics Manufacturing [08K140100414]
- Blue Ocean Program of Small and Medium Business Administration [S1025548]
- National Research Foundation of Korea [과C6A1907, 14-2008-03-001-00] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We investigated the electrical conductivities of double-walled carbon nanotube (DWNT) network films upon post-treatment via HNO3 or gold ions, particularly with respect to their potential use as transparent conducting films. Post-treatment of DWNT films with HNO3 and deposition of gold nanoparticles, respectively, resulted in a significant decrease of the electrical resistance, while the initial value of the transmittance of pristine-DWNT films was maintained. The DWNT-Au nanoparticle hybrid films exhibited the best transmittance-conductivity performance among the evaluated network films, i.e., pristine-SWNT films, pristine-DWNT films, SWNT-Au nanoparticle hybrid films, and HNO3-treated DWNT films. The electrical behaviors of the gold nanoparticle-coated and HNO3-treated DWNT films were examined by an analysis of the work functions of the DWNT films. The DWNT-Au nanoparticle hybrid films are expected to be applicable to transparent electrodes of various optoelectronic devices such as solar cells, light-emitting diodes, sensors, and field-effect transistors.
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