Transparent hemicellulose-DWCNT electrode

Carbon nanotubes (CNTs) and graphene have shown promising potential as next-generation transparent conducting materials due to their high electrical and thermal conductance, flexibility and transparency in both visible and infrared spectral regions. In this study transparent and conductive thin f...

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Main Author: Pasanen, Hannu
Other Authors: Matemaattis-luonnontieteellinen tiedekunta, Faculty of Sciences, Fysiikan laitos, Department of Physics, University of Jyväskylä, Jyväskylän yliopisto
Format: Master's thesis
Language:eng
Published: 2015
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/47659
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author Pasanen, Hannu
author2 Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto
author_facet Pasanen, Hannu Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto Pasanen, Hannu Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto
author_sort Pasanen, Hannu
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description Carbon nanotubes (CNTs) and graphene have shown promising potential as next-generation transparent conducting materials due to their high electrical and thermal conductance, flexibility and transparency in both visible and infrared spectral regions. In this study transparent and conductive thin films with a novel hemicellulose and double-walled carbon nanotube (HC-DWCNT) hybrid material were produced with spray-coating, droplet casting and vacuum filtration deposition methods. HC-DWCNT material is easily dispersed in water and usable for mass-production. These films showed good conductivity, stability at ambient air, very good transparency in the visible and excellent transparency in the infrared spectral regions while having few percent haze. The best sample had sheet resistance of 115 ± 9 ohm/sq and direct transmittance of 81.6 % at 550 nm wavelength. The properties of the prepared films were compared to CNT, graphene and their hybrid films reported by research groups by reviewing their fabrication methods and film performances. While many of these other films have shown higher shortterm quality, it was found that the performances of HC-DWCNT films were quite promising for future development considering the stability of the films and the fact that dopants or post-treatments were not used for enhancing the performance of the best samples.
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In this study transparent and conductive thin films with a novel\r\nhemicellulose and double-walled carbon nanotube (HC-DWCNT) hybrid material\r\nwere produced with spray-coating, droplet casting and vacuum filtration deposition\r\nmethods. HC-DWCNT material is easily dispersed in water and usable for\r\nmass-production. These films showed good conductivity, stability at ambient air,\r\nvery good transparency in the visible and excellent transparency in the infrared\r\nspectral regions while having few percent haze. The best sample had sheet resistance\r\nof 115 \u00b1 9 ohm/sq and direct transmittance of 81.6 % at 550 nm wavelength.\r\nThe properties of the prepared films were compared to CNT, graphene and their\r\nhybrid films reported by research groups by reviewing their fabrication methods\r\nand film performances. 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spellingShingle Pasanen, Hannu Transparent hemicellulose-DWCNT electrode hemiselluloosa Soveltava fysiikka Applied Physics 4023 nanoputket hiili läpinäkyvyys grafeeni
title Transparent hemicellulose-DWCNT electrode
title_full Transparent hemicellulose-DWCNT electrode
title_fullStr Transparent hemicellulose-DWCNT electrode Transparent hemicellulose-DWCNT electrode
title_full_unstemmed Transparent hemicellulose-DWCNT electrode Transparent hemicellulose-DWCNT electrode
title_short Transparent hemicellulose-DWCNT electrode
title_sort transparent hemicellulose dwcnt electrode
title_txtP Transparent hemicellulose-DWCNT electrode
topic hemiselluloosa Soveltava fysiikka Applied Physics 4023 nanoputket hiili läpinäkyvyys grafeeni
topic_facet 4023 Applied Physics Soveltava fysiikka grafeeni hemiselluloosa hiili läpinäkyvyys nanoputket
url https://jyx.jyu.fi/handle/123456789/47659 http://www.urn.fi/URN:NBN:fi:jyu-201511123645
work_keys_str_mv AT pasanenhannu transparenthemicellulosedwcntelectrode