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Reverse Semi‐Combustion Driven by Titanium Dioxide‐Ionic Liquid Hybrid Photocatalyst
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SYSNO ASEP 0532040 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Reverse Semi‐Combustion Driven by Titanium Dioxide‐Ionic Liquid Hybrid Photocatalyst Author(s) Qadir, Muhammad Irfan (UFCH-W) ORCID, RID
Zanatta, M. (BR)
Pinto, J. (GB)
Vicente, I. (ES)
Gual, A. (ES)
Smith, E. F. (GB)
Neto, B. A. D. (BR)
de Souza, P. E. N. (BR)
Khan, S. (BR)
Dupont, J. (BR)
Fernandes, J. A. (GB)Source Title ChemSusChem. - : Wiley - ISSN 1864-5631
Roč. 13, č. 20 (2020), s. 5580-5585Number of pages 6 s. Language eng - English Country DE - Germany Keywords carbon dioxide ; carbon monoxide ; ionic liquids Subject RIV CF - Physical ; Theoretical Chemistry OECD category Physical chemistry Method of publishing Open access Institutional support UFCH-W - RVO:61388955 UT WOS 000566939600001 EID SCOPUS 85090305226 DOI 10.1002/cssc.202001717 Annotation Unprecedented metal-free photocatalytic CO(2)conversion to CO (up to 228 +/- 48 mu mol g(-1) h(-1)) was displayed by TiO2@IL hybrid photocatalysts prepared by simple impregnation of commercially available P25-titanium dioxide with imidazolium-based ionic liquids (ILs). The high activity of TiO2@IL hybrid photocatalysts was mainly associated to (i) TiO2@IL red shift compared to the pure TiO(2)absorption, and thus a modification of the TiO(2)surface electronic structure, (ii) TiO(2)with IL bearing imidazolate anions lowered the CO(2)activation energy barrier. The reaction mechanism was postulated to occur via CO(2)photoreduction to formate species by the imidazole/imidazole radical redox pair, yielding CO and water. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2021 Electronic address http://hdl.handle.net/11104/0310653
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