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Ellipsometric Analysis of Aligned Carbon Nanotubes for Designing Catalytic Support Systems

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Vertically aligned CNT carpets combined with inorganic semiconductors are expected good prospect in practical applications, especially in photocatalysis. If these devices are in production, a fast and non-invasive characterization method will be required. Ellipsometry is widely used in industry as an in-line monitoring tool, so in this study the applicability of ellipsometry for characterizing CNT carpets is investigated. It is shown that ellipsometric evaluation can provide information about the density and the optical properties of the nanotubes; however, the properties of the individual nanotubes (diameter, wall number) can not be taken into account during ellipsometric modeling. To overcome these limitations, numerical simulations are also presented.
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Keywords: Anisotropic Materials; CNT Synthesis; Ellipsometry

Document Type: Research Article

Affiliations: 1: Department of Optics and Quantum Electronics, University of Szeged, Szeged, 6720, Hungary 2: Department of Applied and Environmental Chemistry, University of Szeged, Szeged, 6720, Hungary 3: Department of Oral Biology and Experimental Dental Research, University of Szeged, Szeged, 6720, Hungary

Publication date: January 1, 2019

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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