Zobrazeno 1 - 10
of 92
pro vyhledávání: '"Christoph Rameshan"'
Autor:
Matthäus Siebenhofer, Andreas Nenning, Christoph Rameshan, Peter Blaha, Jürgen Fleig, Markus Kubicek
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-10 (2024)
Abstract Improving materials for energy conversion and storage devices is deeply connected with an optimization of their surfaces and surface modification is a promising strategy on the way to enhance modern energy technologies. This study shows that
Externí odkaz:
https://doaj.org/article/35142eb092814efd815c38615093a96c
Autor:
Nicole Müller, Rareş Banu, Adea Loxha, Florian Schrenk, Lorenz Lindenthal, Christoph Rameshan, Ernst Pittenauer, Jordi Llorca, Janis Timoshenko, Carlo Marini, Noelia Barrabés
Publikováno v:
Communications Chemistry, Vol 6, Iss 1, Pp 1-10 (2023)
Abstract Understanding the behaviour of active catalyst sites at the atomic level is crucial for optimizing catalytic performance. Here, the evolution of Pt and Cu dopants in Au25 clusters on CeO2 supports is investigated in the water-gas shift (WGS)
Externí odkaz:
https://doaj.org/article/46f0dfb2f9eb4da5887f8559f2aefbb2
Publikováno v:
Encyclopedia, Vol 3, Iss 4, Pp 1461-1473 (2023)
Perovskite-type oxides (ABO3) are a highly versatile class of materials. They are compositionally flexible, as their constituents can be chosen from a wide range of elements across the periodic table with a vast number of possible combinations. This
Externí odkaz:
https://doaj.org/article/749b9721b4c7461996d1e3ba5805892e
Publikováno v:
Fuels, Vol 3, Iss 1, Pp 31-43 (2022)
Catalytic tests to assess the performance of mixed perovskite-type oxides (La0.9Ca0.1FeO3-δ, La0.6Ca0.4FeO3-δ, Nd0.9Ca0.1FeO3-δ, Nd0.6Ca0.4FeO3-δ, Nd0.6Ca0.4Fe0.9Co0.1O3-δ, Nd0.6Ca0.4Fe0.97Ni0.03O3-δ, and LSF) with respect to CO oxidation are p
Externí odkaz:
https://doaj.org/article/85dac7af4f2f49a294f347eac0029488
Autor:
Dragos Neagu, J T S Irvine, Jiayue Wang, Bilge Yildiz, Alexander K Opitz, Jürgen Fleig, Yuhao Wang, Jiapeng Liu, Longyun Shen, Francesco Ciucci, Brian A Rosen, Yongchun Xiao, Kui Xie, Guangming Yang, Zongping Shao, Yubo Zhang, Jakob Reinke, Travis A Schmauss, Scott A Barnett, Roelf Maring, Vasileios Kyriakou, Usman Mushtaq, Mihalis N Tsampas, Youdong Kim, Ryan O’Hayre, Alfonso J Carrillo, Thomas Ruh, Lorenz Lindenthal, Florian Schrenk, Christoph Rameshan, Evangelos I Papaioannou, Kalliopi Kousi, Ian S Metcalfe, Xiaoxiang Xu, Gang Liu
Publikováno v:
JPhys Energy, Vol 5, Iss 3, p 031501 (2023)
Over the last decade, exsolution has emerged as a powerful new method for decorating oxide supports with uniformly dispersed nanoparticles for energy and catalytic applications. Due to their exceptional anchorage, resilience to various degradation me
Externí odkaz:
https://doaj.org/article/1f32f1b33e914b6c8710458182332e8e
Autor:
Raffael Rameshan, Andreas Nenning, Johannes Raschhofer, Lorenz Lindenthal, Thomas Ruh, Harald Summerer, Alexander Karl Opitz, Tobias Martin Huber, Christoph Rameshan
Publikováno v:
Crystals, Vol 10, Iss 10, p 947 (2020)
For an in-depth characterization of catalytic materials and their properties, spectroscopic in-situ (operando) investigations are indispensable. With the rapid development of advanced commercial spectroscopic equipment, it is possible to combine comp
Externí odkaz:
https://doaj.org/article/f24c0516092141fc8ca2d53da8a00c97
Autor:
Martin Krammer, Alexander Schmid, Andreas Nenning, Andreas Ewald Bumberger, Matthäus Siebenhofer, Christopher Herzig, Andreas Limbeck, Christoph Rameshan, Markus Kubicek, Juergen Fleig
Publikováno v:
ACS Applied Materials & Interfaces. 15:8076-8092
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4163ecea980555730d6af6c443a5e1dd
https://doi.org/10.1021/acsami.2c20731
https://doi.org/10.1021/acsami.2c20731
Publikováno v:
EES Catalysis. 1:274-289
Unravelling the mystery behind the surface state of exsolved iron nano catalysts for H2 oxidation/H2O splitting by combining electrochemistry and ambient pressure XPS.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a76d3c7e3e2293275b5ef47c19376c8
https://doi.org/10.1039/d2ey00036a
https://doi.org/10.1039/d2ey00036a
Publikováno v:
Chemical Communications. 59:3948-3956
In this work, we summarize the current state of research regarding the morphology of exsolved nanoparticles on perovskite oxides.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e4d9216e93a758b8eb421ae3f30b342
https://doi.org/10.1039/d3cc00456b
https://doi.org/10.1039/d3cc00456b
Autor:
Noelia Barrabés, Jon Ostolaza, Sarah Reindl, Martin Mähr, Florian Schrenk, Hedda Drexler, Christoph Rameshan, Wojciech Olszewski, Günther Rupprechter
Publikováno v:
Faraday Discussions. 242:94-105
Cobalt doping of Au25 nanoclusters led to an enhancement in the catalytic behaviour. The evolution of the doped Au clusters to nanoalloys with controlled surface sites was revealed by combined XAFS, DRIFTS and XPS studies.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::280b59dd8405521916e0c12603872a6e
https://doi.org/10.1039/d2fd00120a
https://doi.org/10.1039/d2fd00120a