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  5. Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)
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Please use this identifier to cite or link to this item: https://olympias.lib.uoi.gr/jspui/handle/123456789/14237
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dc.contributor.authorPanagiotopoulos, N. T.en
dc.contributor.authorDiamanti, E. K.en
dc.contributor.authorKoutsokeras, L. E.en
dc.contributor.authorBaikousi, M.en
dc.contributor.authorKordatos, E.en
dc.contributor.authorMatikas, T. E.en
dc.contributor.authorGournis, D.en
dc.contributor.authorPatsalas, P.en
dc.date.accessioned2015-11-24T17:36:21Z-
dc.date.available2015-11-24T17:36:21Z-
dc.identifier.issn1936-0851-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/14237-
dc.rightsDefault Licence-
dc.subjectcarbon nanotubesen
dc.subjectlight absorbersen
dc.subjectnanocompositesen
dc.subjectpulsed laser depositionen
dc.subjectchemical vapor depositionen
dc.subjectxpsen
dc.subjectchemical-vapor-depositionen
dc.subjectx-ray photoelectronen
dc.subjectamorphous-carbonen
dc.subjectcarbide nanoparticlesen
dc.subjectoptical-propertiesen
dc.subjectcomposite filmsen
dc.subjectnickel carbideen
dc.subjectgrowthen
dc.subjectsingleen
dc.subjectgrapheneen
dc.titleNanocomposite Catalysts Producing Durable, Super-Black Carbon Nanotube Systems: Applications in Solar Thermal Harvestingen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDoi 10.1021/Nn304531k-
heal.identifier.secondary<Go to ISI>://000312563600007-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.publicationDate2012-
heal.abstractA novel two-step approach for preparing carbon nanotube (CNT) systems, exhibiting an extraordinary combination of functional properties, is presented. It is based upon nanocomposite films consisting of metal (Me = Ni, Fe, Mo, Sn) nanoparticles embedded into diamond-like carbon (DLC) The main concept behind this approach is that DLC inhibits the growth of Me, resulting in the formation of small nanospheres instead of layers or extended grains. In the second step, DLC:Me substrates were used as catalyst templates for the growth of CNTs by the thermal chemical vapor deposition (T-CVD) process. X-ray photoelectron spectroscopy (XPS) has shown that at the T-CVD temperature of 700 degrees C DLC is completely graphitized and NiC is formed, making DLC:Ni a very effective catalyst for CNT growth. The catalyst layers and the CNT systems have been characterized with a wide range of analytical techniques such as Auger electron spectroscopy and X-ray photoelectron spectroscopy (AES/XPS), X-ray diffraction, reflectivity and scattering, Raman spectroscopy, scanning electron microscopy, atomic force microscopy, and optical and electrical testing. The produced CNTs are of excellent quality, without needing any further purification, durable, firmly attached to the substrate, and of varying morphology depending on the density of catalyst nanoparticles. The produced CNTs exhibit exceptional properties, such as super-hydrophobic surfaces (contact angle up to 165 degrees) and exceptionally low optical reflection (reflectivity <10(-4)) in the entirety of the visible range. The combination of the functional properties makes these CNT systems promising candidates for solar thermal harvesting, as it is demonstrated by solar simulation experiments.en
heal.publisherAmerican Chemical Societyen
heal.journalNameACS Nanoen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
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