About: Process-Induced Nanostructures on Anatase Single Crystals via Pulsed-Pressure MOCVD

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About: Process-Induced Nanostructures on Anatase Single Crystals via Pulsed-Pressure MOCVD Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Process-Induced Nanostructures on Anatase Single Crystals via Pulsed-Pressure MOCVD
Creator	Bishop, Catherine Gorthy, Rukmini Krumdieck, Susan
Source	Medline; PMC
abstract	The recent global pandemic of COVID-19 highlights the urgent need for practical applications of anti-microbial coatings on touch-surfaces. Nanostructured TiO(2) is a promising candidate for the passive reduction of transmission when applied to handles, push-plates and switches in hospitals. Here we report control of the nanostructure dimension of the mille-feuille crystal plates in anatase columnar crystals as a function of the coating thickness. This nanoplate thickness is key to achieving the large aspect ratio of surface area to migration path length. TiO(2) solid coatings were prepared by pulsed-pressure metalorganic chemical vapor deposition (pp-MOCVD) under the same deposition temperature and mass flux, with thickness ranging from 1.3–16 μm, by varying the number of precursor pulses. SEM and STEM were used to measure the mille-feuille plate width which is believed to be a key functional nano-dimension for photocatalytic activity. Competitive growth produces a larger columnar crystal diameter with thickness. The question is if the nano-dimension also increases with columnar crystal size. We report that the nano-dimension increases with the film thickness, ranging from 17–42 nm. The results of this study can be used to design a coating which has co-optimized thickness for durability and nano-dimension for enhanced photocatalytic properties.
has issue date	2020-04-03(xsd:dateTime)
bibo:doi	10.3390/ma13071668
bibo:pmid	32260155
has license	cc-by
sha1sum (hex)	2a473f73a298949fb93b7bdd84e9243aa157b9db
schema:url	https://doi.org/10.3390/ma13071668
resource representing a document's title	Process-Induced Nanostructures on Anatase Single Crystals via Pulsed-Pressure MOCVD
has PubMed Central identifier	PMC7178303
has PubMed identifier	32260155
schema:publication	Materials (Basel)
resource representing a document's body	covid:2a473f73a298949fb93b7bdd84e9243aa157b9db#body_text
is schema:about of	named entity 'applications' named entity 'MOCVD' named entity 'TRANSMISSION' named entity 'COVID-19' named entity 'anti-microbial' named entity 'Nanostructured' named entity 'TiO2' named entity 'carbon' named entity 'nanodimension' named entity 'ROIs' named entity 'nanostructure' named entity 'anatase' named entity 'spectroscopy' named entity 'TiO' named entity 'polycrystalline' named entity 'anatase' named entity 'anatase' named entity 'Nanoparticles' named entity 'nanoengineering' named entity 'TiO' named entity 'polycrystalline' named entity 'MOCVD' named entity 'atmospheric pressure' named entity 'nanoscale' named entity 'photocatalyst' named entity 'anatase' named entity 'SEM' named entity 'anatase' named entity 'root mean square' named entity 'metalorganic chemical vapor deposition' named entity 'anatase' named entity 'cross-section' named entity 'anatase' named entity 'Nanostructured' named entity 'Wellington' named entity 'porosity' named entity 'TiO' named entity 'TiO' named entity 'rutile' named entity 'hydrophilicity' named entity 'nanostructures' named entity 'rutile' named entity 'fused silica' named entity 'nanostructured materials' named entity 'substrates' named entity 'titania' named entity 'crystal growth' named entity 'crystal growth' named entity 'self-cleaning glass' named entity 'flash evaporation' named entity 'nanostructure' named entity 'focused ion beam' named entity 'photocatalysis' named entity 'TiO' named entity 'photocatalytic materials' named entity 'TiO' named entity 'antimicrobial activity' named entity 'geometry' named entity 'exciton' named entity 'single crystals' named entity 'cold trap' named entity 'TTIP' named entity 'MOCVD' named entity 'nanoscale' named entity 'rutile' named entity 'surface roughness' named entity 'rutile' named entity 'Dynamic scaling' named entity 'HPLC' named entity 'film growth' named entity 'nanostructure' named entity 'TiO' named entity 'hydroxyl radicals' named entity 'rutile' named entity 'TiO2' named entity 'TiO' named entity 'substrates' named entity 'stearic acid' named entity 'reactant'

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