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|標題:||Highly conductive, transparent flexible films based on open rings of multi-walled carbon nanotubes||作者:||Ko, W.Y.
|關鍵字:||Multi-wall carbon nanotubes;Transparent conducting film;Flexible thin;films;Open-rings;Porous networks;Scanning electron microscopy;Electrical measurements and properties;organic solar-cells;thin-films;electrical-properties;fabrication;temperature;networks;transistors;substrate;sheets||Project:||Thin Solid Films||期刊/報告no：:||Thin Solid Films, Volume 519, Issue 22, Page(s) 7717-7722.||摘要:||
Open rings of multi-walled carbon nanotubes were stacked to form porous networks on a poly(ethylene terephthalate) substrate to form a flexible conducting film (MWCNT-PET) with good electrical conductivity and transparency by a combination of ultrasonic atomization and spin-coating technique. To enhance the electric flexibility, we spin-coated a cast film of poly(vinyl alcohol) onto the MWCNT-PET substrate, which then underwent a thermo-compression process. Field-emission scanning electron microscopy of the cross-sectional morphology illustrates that the film has a robust network with a thickness of similar to 175 nm, and it remarkably exhibits a sheet resistance of approximately 370 Omega/sq with similar to 77% transmittance at 550 nm even after 500 bending cycles. This electrical conductivity is much superior to that of other MWCNT-based transparent flexible films. (C) 2011 Elsevier B.V. All rights reserved.
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