About: Photochemistry and Gas-Phase FTIR Spectroscopy of Formic Acid Interaction with Anatase Ti18O2 Nanoparticles

Facets (new session)
Description
Metadata
Settings
- owl:sameAs
- Inference Rule:

About: Photochemistry and Gas-Phase FTIR Spectroscopy of Formic Acid Interaction with Anatase Ti18O2 Nanoparticles Goto Sponge Distinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The photoinduced isotope exchange between 18O atoms in the lattice of vacuum-calcinated solid Ti18O2 and 16O atoms of formic acid and its photoproducts was studied with gas-phase high-resolution Fourier transform infrared absorption spectroscopy. The rotation–vibration absorption spectra of all products from the photochemical reactions of formic acid were measured over a broad infrared spectral range and used to quantify the time-dependent isotope exchange between the oxygen atoms on solid Ti18O2 and the oxygen atoms in gaseous HC16O16OH and the isotopologues of CO2, CO, and H2O. It was found that formic acid did not exchange oxygen with titania during adsorption and decomposition processes; strongly bonded formate species blocked active sites and thereby inhibited the exchange between CO2 and Ti18O2. Similar blocking was observed by adsorbed water. The isotopologues C16O18O and C18O2 are the products of the spontaneous exchange of oxygen atoms in C16O2 and the active sites on Ti18O2 that are unblocked during the irradiation of the surface by UV photons. The C18O molecules are a product of the UV decomposition of C16O18O or C18O2 that is formed during the spontaneous exchange process. The photoinduced isotope exchange between 18O atoms in the lattice of vacuum-calcinated solid Ti18O2 and 16O atoms of formic acid and its photoproducts was studied with gas-phase high-resolution Fourier transform infrared absorption spectroscopy. The rotation–vibration absorption spectra of all products from the photochemical reactions of formic acid were measured over a broad infrared spectral range and used to quantify the time-dependent isotope exchange between the oxygen atoms on solid Ti18O2 and the oxygen atoms in gaseous HC16O16OH and the isotopologues of CO2, CO, and H2O. It was found that formic acid did not exchange oxygen with titania during adsorption and decomposition processes; strongly bonded formate species blocked active sites and thereby inhibited the exchange between CO2 and Ti18O2. Similar blocking was observed by adsorbed water. The isotopologues C16O18O and C18O2 are the products of the spontaneous exchange of oxygen atoms in C16O2 and the active sites on Ti18O2 that are unblocked during the irradiation of the surface by UV photons. The C18O molecules are a product of the UV decomposition of C16O18O or C18O2 that is formed during the spontaneous exchange process. (en)
Title	Photochemistry and Gas-Phase FTIR Spectroscopy of Formic Acid Interaction with Anatase Ti18O2 Nanoparticles Photochemistry and Gas-Phase FTIR Spectroscopy of Formic Acid Interaction with Anatase Ti18O2 Nanoparticles (en)
skos:prefLabel	Photochemistry and Gas-Phase FTIR Spectroscopy of Formic Acid Interaction with Anatase Ti18O2 Nanoparticles Photochemistry and Gas-Phase FTIR Spectroscopy of Formic Acid Interaction with Anatase Ti18O2 Nanoparticles (en)
skos:notation	RIV/61388955:_____/12:00377382!RIV13-GA0-61388955
http://linked.open...avai/predkladatel	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP208/10/1678), P(IAA400400804), P(IAAX00100903), P(KAN200100801), P(OC09044)
http://linked.open...iv/cisloPeriodika	20
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Civiš, Svatopluk Ferus, Martin Zukalová, Markéta Kavan, Ladislav Kubát, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	158544
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/12:00377382
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	photochemistry; FTIR spectroscopy; nanoparticles (en)
http://linked.open.../riv/klicoveSlovo	FTIR spectroscopy photochemistry nanoparticles
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[B45EE734142A]
http://linked.open...i/riv/nazevZdroje	Journal of Physical Chemistry C
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Photophysics and Photochemistry of Self-Assembled Nanostructures Supramolecular assemblies with carbon nanotubes Diagnostic and characterization of nonlinear properties of semiconductor lasers and novel crystals based on salts of inorganic anions and organic cations Can laser plasmas produce chiral molecules? Bioactive Biocompatible Surfaces and Novel Nanostructured Composites for Applications to Medicine and Drug Delivery
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	116
http://linked.open...iv/tvurceVysledku	Civiš, Svatopluk Ferus, Martin Kubát, Pavel Kavan, Ladislav Zukalová, Markéta
http://linked.open...ain/vavai/riv/wos	000304338500046
issn	1932-7447
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1021/jp303011a
is http://linked.open...avai/riv/vysledek of	Photochemistry and Gas-Phase FTIR Spectroscopy of Formic Acid Interaction with Anatase Ti18O2 Nanoparticles

Faceted Search & Find service v1.16.118 as of Jun 21 2024

Alternative Linked Data Documents: ODE Content Formats:

RDF

ODATA

Microdata

About

OpenLink Virtuoso version 07.20.3240 as of Jun 21 2024, on Linux (x86_64-pc-linux-gnu), Single-Server Edition (126 GB total memory, 85 GB memory in use)
Data on this page belongs to its respective rights holders.
Virtuoso Faceted Browser Copyright © 2009-2024 OpenLink Software