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Ultrafast Laser Alignment and Processing of Carbon Nanotube Films
Published online by Cambridge University Press: 08 March 2011
Organized nanostructures are formed after irradiation of layers of randomly aligned single-wall carbon nanotube (SWNT)-polymer composites by a Ti:Sapphire 775 nm laser with a 150 fs pulse at fluences near 0.1 J/cm2. At varying peak fluences morphology is seen where the tubes are ejected from the substrate or formed into long, parallel structures of SWNT’s. These structures have been created on both glass substrates and carbon grids. Transmission Electron Microscopy (TEM) and Scanning Electron Microscopy (SEM) investigation of the structures reveal that they are composed of bundled nanotubes typically 400 nm – 1 micron long. Large-area laser patterning of the film allows for structuring of the film without detrimental decreases in conductivity.
- Research Article
- MRS Online Proceedings Library (OPL) , Volume 1308: Symposium DD – Artificially Induced Crystalline Alignment in Thin Films and Nanostructures , 2011 , mrsf10-1308-dd01-06
- Copyright © Materials Research Society 2011