Journal
CHEMICAL ENGINEERING JOURNAL
Volume 255, Issue -, Pages 134-140Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2014.06.082
Keywords
Carbon nanotube; ITO replacement; Transparent; Flexible; Conductive
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Funding
- Fortum foundation
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A mixture of single-walled and double-walled carbon nanotubes (CNTs) was synthesised by an aerosol CVD (floating catalyst) method for fabrication of highly conductive and transparent films. The feedstock solution contained ferrocene as a catalyst particle precursor, toluene and ethylene as carbon sources and thiophene as a promoter was introduced in the reactor in a hydrogen atmosphere and heated up in the temperature range of 1000-1200 degrees C. The product was collected downstream of the reactor by filtering the flow in the form of thin films with adjustable thicknesses (transmittance) and subsequently transferred on a desirable substrate by a dry transfer technique. This method allowed us to fabricate excellent quality CNT films with a high optoelectronic performance: with a sheet resistance of 86 Omega/sq. at the transmittance of T = 90%. To our best knowledge, for the first time the CNT transparent and conductive thin films were fabricated from direct filtration of gas phase grown CNTs using hydrocarbon as a carbon source. (C) 2014 Elsevier B.V. All rights reserved.
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