Photocatalytic transformation of CO2 to CH4 and CO on acidic surface of TiO2 anatase
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F16%3A00452641" target="_blank" >RIV/61388955:_____/16:00452641 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.optmat.2015.11.015" target="_blank" >http://dx.doi.org/10.1016/j.optmat.2015.11.015</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.optmat.2015.11.015" target="_blank" >10.1016/j.optmat.2015.11.015</a>
Alternative languages
Result language
angličtina
Original language name
Photocatalytic transformation of CO2 to CH4 and CO on acidic surface of TiO2 anatase
Original language description
Recently, many studies have demonstrated that carbon dioxide can be converted to methane on TiO2 surface by a photocatalytic process. We show that such a photo-reduction can be significantly affected by the presence of an acidic proton in powder samples of titania. Using in situ absorption gas-phase rovibrational spectroscopic detection of CH4, CO and CO2, we demonstrate that proton enhancement positively affects transformation of intermediate derivatives to methane during the photo-irradiation process via several reactions in which the electron transfer inside titania is coupled to oxygen transfer to the Ti3+ centers of TiO2 structure. The yield of CH4 or CO depends on the surface conditioning of titania: the formation of CH4 is boosted by a presence of adsorbed HCl, while the formation of CO is boosted by adsorbed H2SO4.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CF - Physical chemistry and theoretical chemistry
OECD FORD branch
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Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Optical Materials
ISSN
0925-3467
e-ISSN
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Volume of the periodical
56
Issue of the periodical within the volume
JUN 2016
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
4
Pages from-to
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UT code for WoS article
000375517200015
EID of the result in the Scopus database
2-s2.0-84963685634