A5089756773- Zeolite Catalysis and Synthesis
- Catalytic Processes in Materials Science
- Catalysis and Oxidation Reactions
- Catalysis and Hydrodesulfurization Studies
- Mesoporous Materials and Catalysis
- Metal-Organic Frameworks: Synthesis and Applications
- Chemical Synthesis and Characterization
- Polyoxometalates: Synthesis and Applications
- Carbon Nanotubes in Composites
- Advancements in Battery Materials
- Nanomaterials for catalytic reactions
- Graphene research and applications
- Carbon Dioxide Capture Technologies
- Electrochemical Analysis and Applications
- Catalysis for Biomass Conversion
- Ammonia Synthesis and Nitrogen Reduction
- Gas Sensing Nanomaterials and Sensors
- Electrocatalysts for Energy Conversion
- Iron oxide chemistry and applications
- Transition Metal Oxide Nanomaterials
- Advanced Photocatalysis Techniques
- Diamond and Carbon-based Materials Research
- Luminescence Properties of Advanced Materials
- Nanocluster Synthesis and Applications
- Inorganic and Organometallic Chemistry
Czech Academy of Sciences, J. Heyrovský Institute of Physical Chemistry
2011-2025
Institute of Catalysis and Petrochemistry
2015
Czech Academy of Sciences
2000-2007
Centre National de la Recherche Scientifique
2003
École Normale Supérieure - PSL
2003
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCoordination of Cu Ions in High-Silica Zeolite Matrixes. Cu+ Photoluminescence, IR NO Adsorbed on Cu2+, and Cu2+ ESR StudyJ. Dedecek, Z. Sobalik, Tvaruazkova, D. Kaucky, B. WichterlovaCite this: J. Phys. Chem. 1995, 99, 44, 16327–16337Publication Date (Print):November 1, 1995Publication History Published online1 May 2002Published inissue 1 November...
The occurrence of “Al pairs” in the framework ZSM-5 and their spatial distribution zeolites was estimated by using exchanged Co2+ ions as probes for pairs”. visible spectra were employed to monitor ions, thus pairs”, among individual cationic sites, i.e. local arrangements at defined positions zeolite channels. effects concentration aluminum conditions synthesis on presence investigated. It has been shown that Al atoms is not controlled statistic rules, but depends framework.
This paper describes a study of the nature and accessibility acid sites in micromesoporous mordenite zeolites obtained by desilication dealumination analysis their activity selectivity hydroisomerization n-hexane. Alkaline–acid, acid–alkaline–acid, fluorination–alkaline–acid postsynthesis treatments were employed for preparation mordenites. The FTIR spectra adsorbed d3-acetonitrille, 27Al MAS NMR, HR-TEM, N2 adsorption used quantitative Brønsted Lewis sites, coordination Al atoms, textural...
This study highlights the efficiency of Cu‐FER catalysts with varying copper loadings in transforming carbon dioxide (CO2) and methane (CH4) into methanol or acetic acid. XAS, UV‐Vis, FTIR analyses confirmed that low loading contain a high fraction isolated Cu2+ cations, while those exhibit significant presence Cu oxo‐species. In‐situ studies (FTIR mass spectrometry) revealed bare Cu(II) synergy Brønsted acid sites, facilitate conversion CO2 CH4 via coupled oxidation carbonylation reactions....
Al atoms are not randomly distributed in ZSM-5 zeolites but their distribution is affected by the Si/Al composition and synthesis procedure.
An active tungstated zirconia catalyst was developed with the aim of isomerising industrial feedstocks, and presented stable activity an increase R.O.N. 14 at 225 °C.