Zobrazeno 1 - 10 of 31 pro vyhledávání: '"Elias Frei"'
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Ultrathin 2D Fe-Nanosheets Stabilized by 2D Mesoporous Silica: Synthesis and Application in Ammonia Synthesis
Autor: Elias Frei, Jan Folke, Hua Fan, Robert Schlögl, Rüdiger-A. Eichel, Holger Ruland, Saskia Heumann, Xing Huang, Zigeng Liu, Robert Imlau, Frank Girgsdies, Josef Granwehr
Publikováno v: ACS Applied Materials and Interfaces
ACS applied materials & interfaces 13(25), 30187-30197 (2021). doi:10.1021/acsami.1c06771
ACS Applied Materials & Interfaces
ACS applied materials & interfaces 13(25), 30187-30197 (2021). doi:10.1021/acsami.1c06771
Published by American Chemical Society, Washington, DC
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ef9c2a298a59709fce467221542f3e3
https://doi.org/10.1021/acsami.1c06771
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3
Transition from 2D to 3D SBA‐15 by High‐Temperature Fluoride Addition and its Impact on the Surface Reactivity Probed by Isopropanol Conversion
Autor: Robert Schlögl, Maike Hashagen, Thomas Gries, Frank Rosowski, Frank Girgsdies, Friedrich Seitz, Maximilian Lamoth, Elias Frei
Publikováno v: Chemistry (Weinheim an Der Bergstrasse, Germany)
Chemistry – A European Journal
A systematic variation of the SBA‐15 synthesis conditions and their impact on the structural and chemical characteristics are reported. An incremental alteration of the hydrothermal aging temperature and time was used to induce changes of the highl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::858d2dc11874bd2e6762d0db87f6178d
http://europepmc.org/articles/PMC7540577
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4
Highly Dispersed Ni0/NixMg1–xO Catalysts Derived from Solid Solutions: How Metal and Support Control the CO2 Hydrogenation
Autor: Elias Frei, Robert Schlögl, Frank Girgsdies, Andrey Tarasov, Gerardo Algara-Siller, Marie-Mathilde Millet
Publikováno v: ACS Catalysis
Among the Ni-based catalysts studied for CO2 activation reactions, NixMg1-xO solid solutions present advantageous characteristics, mainly linked with the homogeneous distribution of the Ni species inside the MgO structure, leading to highly dispersed
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::446880e401a8fe2a5346e8a2763e1d59
https://doi.org/10.1021/acscatal.9b02332
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5
Evolution of zincian malachite synthesis by low temperature co-precipitation and its catalytic impact on the methanol synthesis
Autor: Elias Frei, Albert Gonche Fortunatus Machoke, Daniel Brennecke, Detre Teschner, Robert Schlögl, Frank Girgsdies, Leon Zwiener
Publikováno v: Applied Catalysis B
Low temperature co-precipitation enabled, for the first time, the preparation of phase pure zincian malachite precursors with Zn contents of up to 31 at.-%. The high Zn content was beneficial for maximizing the dispersion of Cu and oxygen defect site
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6b96747ab67b04ce16a63326399e8fb
https://doi.org/10.1016/j.apcatb.2019.02.023
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6
Synthesis and Characterization of Ag‐Delafossites Ag B O 2 ( B : Al, Ga, In) from a Rapid Hydrothermal Process
Autor: Elena Willinger, Robert Schlögl, Elisabeth Hannah Wolf, Alexander Yu. Klyushin, Elias Frei, Travis E. Jones, Milivoj Plodinec, Leon Zwiener, Frank Rosowski, Frank Girgsdies
Publikováno v: European Journal of Inorganic Chemistry
A single‐step rapid hydrothermal low‐temperature process for the formation of high purity polycrystalline Ag‐based delafossite oxides 3R‐AgBO2 (B: Al, Ga, In) is reported. For the synthesis process reusable and widely available PTFE‐lined p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5eb729b04b74569ec448b29ee021870
https://doi.org/10.1002/ejic.201900052
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7
Activating a Cu/ZnO : Al Catalyst – Much More than Reduction: Decomposition, Self‐Doping and Polymorphism
Autor: Elias Frei, Mark T. Greiner, Matthias Friedrich, Robert Schlögl, Thomas Lunkenbein, Henning Lichtenberg, Jan-Dierk Grunwaldt, Christian Heine, Abhijeet Gaur
Publikováno v: ChemCatChem
ChemCatChem, 11 (6), 1587–1592
The activation of Cu/ZnO‐based catalysts before their application is a key step and sensitive process enabling the development of the entire catalytic potential. Here, we report on a complementary (soft and hard) in‐situ X‐ray absorption spectr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::402c0711b7973e18bb312c824c0c0037
https://doi.org/10.1002/cctc.201900069
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8
Ni Single Atom Catalysts for CO2 Activation
Autor: Aliaksei Mazheika, Sabine Wrabetz, Friedrich Seitz, Frank Girgsdies, Gerardo Algara-Siller, Andrey Tarasov, Marie-Mathilde Millet, Sergey V. Levchenko, Detre Teschner, Robert Schlögl, Elias Frei
Publikováno v: Journal of the American Chemical Society
We report on the activation of CO2 on Ni single-atom catalysts. These catalysts were synthesized using a solid solution approach by controlled substitution of 1–10 atom % of Mg2+ by Ni2+ inside the MgO structure. The Ni atoms are preferentially loc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::39bcfedb38a21452055e75f57af9066b
https://doi.org/10.1021/jacs.8b11729
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9
Oxygen diffusion in Cu-based catalysts: A probe for metal support interactions
Autor: Matthias Friedrich, Frank Girgsdies, Robert Schlögl, Elias Frei, Andrey Tarasov, Alexander Yu. Klyushin
Publikováno v: Applied Catalysis A
An extended N2O titration method was applied to characterize high-performance, supported Cu catalysts: Cu/ZnO:Al (68/29/3), Cu/ZnO (80/20) and Cu/MgO (80/20). Calculation of the oxygen diffusion coefficients showed significant differences within the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e659ccd7ba5863b9dfa712c086acc10
https://hdl.handle.net/21.11116/0000-0005-B87F-E21.11116/0000-0005-B880-A21.11116/0000-0005-B87D-021.11116/0000-0005-B881-9
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10
The mechanism of interfacial CO2 activation on Al doped Cu/ZnO
Autor: Maria Heenemann, Maik Eichelbaum, Elias Frei, Travis Jones, Robert Schlögl, Frank Girgsdies, Marie-Mathilde Millet, Thomas Risse
Publikováno v: ACS Catalysis
We report on a combined quantitative charge carrier and catalytic activity analysis of Cu/ZnO model catalysts. The promoting effect of Al3+ on the ZnO support for CO2 activation via the reverse water-gas-shift reaction has been investigated. To the b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5c129007e742597f1817c73033f4ffe
https://refubium.fu-berlin.de/handle/fub188/27635
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