Catalytic and photocatalytic processes on 18O-labeled TiO2

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F11%3A00369217" target="_blank" >RIV/61388955:_____/11:00369217 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Catalytic and photocatalytic processes on 18O-labeled TiO2
Original language description
18O-isotope labelled titania (anatase, rutile) was synthesized. The products were characterized by Raman spectra together with their quantum chemical modelling. The interaction with carbon dioxide was investigated using high-resolution FTIR spectroscopy,in dark and upon UV-excitation. The oxygen isotope exchange at the Ti18O2/C16O2 interface was elucidated. The C18O2 was formed as the dominating final product with a minor content of C16O18O. The rate of oxygen-isotope exchange is highly sensitive to the conditions of the titania pretreatment. The vacuum-annealed Ti18O2 at 450 C exhibited a very high spontaneous oxygen exchange activity with gaseous C16O2. A mechanism for the 18O/16O exchange process is discussed at the molecular level. The photocatalytic formation of methane, acetylene and C16O released from the Ti18O2 surface was triggered by an XeCl excimer laser irradiation.
Czech name
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Czech description
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Project
<a href="/en/project/1M0577" target="_blank" >1M0577: Research centre for nanostructures engineering</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Sborník příspěvků. 5. Seminář výzkumného centra NANOPIN. Nanomateriály a fotokatalýza
ISBN
978-80-7080-780-4
ISSN
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e-ISSN
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Number of pages
3
Pages from-to
11-13
Publisher name
VŠCHT Praha
Place of publication
Praha
Event location
Hnanice
Event date
Jun 20, 2011
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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