Operation of a bending magnet beamline in large energy bandwidth mode for non-resonant X-ray emission spectroscopy

Autor: Olga Dikaya, Maarten Nachtegaal, Jakub Szlachetko, Kathrin Ebner, Viktoriia Saveleva, Nicola Weder, Benjamin Probst, Roger Alberto, Dmitrii Serebrennikov, Evgeny Clementyev, Ksenia Maksimova, Alexander Goikhman, Grigory Smolentsev

Publikováno v: Results in Physics, Vol 18, Iss , Pp 103212- (2020)

Two new operation modes, “pink beam” excitation, which has the energy bandwidth defined by X-ray mirrors and filters, and “broadband beam”, where the energy bandwidth is defined by the reflection from a multilayer monochromator, were implemen

Externí odkaz: https://doaj.org/article/ac81e5259f264340b4033ae1e4a882bd

Spectroscopy vs. Electrochemistry: Catalyst Layer Thickness Effects on Operando/In Situ Measurements

Autor: Justus S. Diercks, Juan Herranz, Kathrin Ebner, Nataša Diklić, Maximilian Georgi, Piyush Chauhan, Adam H. Clark, Maarten Nachtegaal, Alexander Eychmüller, Thomas J. Schmidt

Publikováno v: Angewandte Chemie. International Edition, 62 (16)

In recent years, operando/in situ X-ray absorption spectroscopy (XAS) has become an important tool in the electrocatalysis community. However, the high catalyst loadings often required to acquire XA-spectra with a satisfactory signal-to-noise ratio f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20e4f0bfb47777890650a0535820850f
https://hdl.handle.net/20.500.11850/606171

Potential‐Induced Spin Changes in Fe/N/C Electrocatalysts Assessed by In Situ X‐ray Emission Spectroscopy

Autor: Viktoriia A. Saveleva, Kathrin Ebner, Lingmei Ni, Grigory Smolentsev, Daniel Klose, Andrea Zitolo, Elena Marelli, Jingkun Li, Marisa Medarde, Olga V. Safonova, Maarten Nachtegaal, Frédéric Jaouen, Ulrike I. Kramm, Thomas J. Schmidt, Juan Herranz

Publikováno v: Angewandte Chemie. 133:11813-11818

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::39f56078b1bc506199431eba51cc796a
https://doi.org/10.1002/ange.202016951

Time‐Resolved Potential‐Induced Changes in Fe/N/C‐Catalysts Studied by In Situ Modulation Excitation X‐Ray Absorption Spectroscopy

Autor: Kathrin Ebner, Adam H. Clark, Viktoriia A. Saveleva, Grigory Smolentsev, Jingfeng Chen, Lingmei Ni, Jingkun Li, Andrea Zitolo, Frédéric Jaouen, Ulrike I. Kramm, Thomas J. Schmidt, Juan Herranz

Publikováno v: Advanced Energy Materials
Advanced Energy Materials, 2022, 12 (14), pp.2103699. ⟨10.1002/aenm.202103699⟩
Advanced Energy Materials, 12 (14)

To advance the widespread implementation of electrochemical energy storage and conversion technologies, the development of inexpensive electrocatalysts is imperative. In this context, Fe/N/C-materials represent a promising alternative to the costly n

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8cd6b46897d20a53c0c2457f5f020eb
https://hal.umontpellier.fr/hal-03609449/document

Fe-Based O2-Reduction Catalysts Synthesized Using Na2CO3 as a Pore-Inducing Agent

Autor: Kathrin Ebner, Viktoriia A. Saveleva, Frank Krumeich, Bae-Jung Kim, Thomas J. Schmidt, Sebastian Henning, Maarten Nachtegaal, Juan Herranz, Marlène Demicheli

Publikováno v: ACS Applied Energy Materials. 2:1469-1479

The cost reductions required for the large-scale commercialization of polymer electrolyte fuel cells (PEFCs) could be achieved by substituting state-of-the-art PEFC cathode catalysts based on platinum with more abundant and affordable materials. In t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::834365e04a132cb4346c8cae0c241fb6
https://doi.org/10.1021/acsaem.8b02036