2024

Schumacher, Leon ; Funke, Marius ; Hess, Christian (2024)
Unraveling the mechanism of the CO2-assisted oxidative dehydrogenation of propane over VOx/CeO2: an operando spectroscopic study.
In: RSC Sustainability
doi: 10.1039/D4SU00527A
Artikel, Bibliographie

Schumacher, Leon (2024)
Mechanistic Insight into Heterogeneous Oxidation Catalysts using Combined Operando and Transient Spectroscopies Supported by DFT.
Technische Universität Darmstadt
doi: 10.26083/tuprints-00026508
Dissertation, Erstveröffentlichung, Verlagsversion

Schumacher, Leon ; Hess, Christian (2024)
Detailed analysis of the Raman vibrational structure of vanadia in VOx/CeO2: a combined experimental and theoretical approach.
In: The Journal of Physical Chemistry C
doi: 10.1021/acs.jpcc.4c01326
Artikel, Bibliographie

Schumacher, Leon ; Ziemba, Marc ; Hess, Christian (2024)
Investigation of the CO2 activation and regeneration of reduced VOx/CeO2 catalysts using multiple in situ spectroscopies.
In: ChemCatChem
doi: 10.1002/cctc.202301409
Artikel, Bibliographie

Weyel, Jakob ; Schumacher, Leon ; Ziemba, Marc ; Pfeiffer, Maximilian ; Hess, Christian (2024)
Modulation excitation spectroscopy: a powerful tool to elucidate active species and sites in catalytic reactions.
In: Accounts of Chemical Research
doi: 10.1021/acs.accounts.4c00351
Artikel, Bibliographie

Schumacher, Leon ; Shen, Jun ; Hofmann, Kathrin ; Hess, Christian (2024)
Rational design of vanadia-based propane ODH catalysts: A multiple operando spectroscopic investigation of VOx/TiO2/CeO2.
In: Catalysis Today, 426
doi: 10.1016/j.cattod.2023.114387
Artikel, Bibliographie

2023

Schumacher, Leon ; Radtke, Mariusz ; Welzenbach, Jan ; Hess, Christian (2023)
Unraveling surface and bulk dynamics of iron(III) molybdate during oxidative dehydrogenation using operando and transient spectroscopies.
In: Communications Chemistry, 6
doi: 10.1038/s42004-023-01028-8
Artikel, Bibliographie

Schumacher, Leon ; Pfeiffer, Johannes ; Shen, Jun ; Gutmann, Torsten ; Breitzke, Hergen ; Buntkowsky, Gerd ; Hofmann, Kathrin ; Hess, Christian (2023)
Collaborative Mechanistic Effects between Vanadia and Titania during the Oxidative Dehydrogenation of Propane Investigated by Operando and Transient Spectroscopies.
In: ACS Catalysis, 13 (12)
doi: 10.1021/acscatal.3c01404
Artikel, Bibliographie

Oefner, Niklas ; Shuck, Christopher E. ; Schumacher, Leon ; Heck, Franziska ; Hofmann, Kathrin ; Schmidpeter, Jana ; Li, Weiqun ; Bahri, Mounib ; Mehdi, B. Layla ; Drochner, Alfons ; Albert, Barbara ; Hess, Christian ; Gogotsi, Yury ; Etzold, Bastian J. M. (2023)
MXene aerogel derived ultra-active vanadia catalyst for selective conversion of sustainable alcohols to base chemicals.
In: ACS Applied Materials & Interfaces, 15 (13)
doi: 10.1021/acsami.2c22720
Artikel, Bibliographie

Schumacher, Leon ; Ziemba, Marc ; Brunnengräber, Kai ; Totzauer, Lea ; Hofmann, Kathrin ; Etzold, Bastian J. M. ; Albert, Barbara ; Hess, Christian (2023)
Understanding the reduction behavior of VOx/CeO2 on a molecular level: combining temperature-programmed reduction with multiple in-situ spectroscopies and x-ray diffraction.
In: The Journal of Physical Chemistry C, 127 (12)
doi: 10.1021/acs.jpcc.3c00622
Artikel, Bibliographie

2022

Schumacher, Leon ; Weyel, Jakob ; Hess, Christian (2022)
Unraveling the Active Vanadium Sites and Adsorbate Dynamics in VOx/CeO2 Oxidation Catalysts Using Transient IR Spectroscopy.
In: Journal of the American Chemical Society, 144 (32)
doi: 10.1021/jacs.2c06303
Artikel, Bibliographie

Ziemba, Marc ; Radtke, Mariusz ; Schumacher, Leon ; Hess, Christian (2022)
Aufklärung der CO₂‐Hydrierung über In₂O₃‐Nanopartikeln mittels Operando UV/Vis‐ und Impedanzspektroskopie.
In: Angewandte Chemie, 134 (39)
doi: 10.1002/ange.202209388
Artikel, Bibliographie

Ziemba, Marc ; Radtke, Mariusz ; Schumacher, Leon ; Hess, Christian (2022)
Elucidating CO2 Hydrogenation over In2O3 Nanoparticles using Operando UV‐vis and Impedance Spectroscopies.
In: Angewandte Chemie. International Edition
doi: 10.1002/anie.202209388
Artikel, Bibliographie

2021

Oefner, Niklas ; Heck, Franziska ; Dürl, Marcel ; Schumacher, Leon ; Siddiqui, Humera Khatoon ; Kramm, Ulrike I. ; Hess, Christian ; Möller, Angela ; Albert, Barbara ; Etzold, Bastian J. M. (2021)
Activity, selectivity and initial degradation of iron molybdate in the oxidative dehydrogenation of ethanol.
In: ChemCatChem, 14 (4)
doi: 10.1002/cctc.202101219
Artikel, Bibliographie

Schumacher, Leon ; Hess, Christian (2021)
The active role of the support in propane ODH over VOx/CeO2 catalysts studied using multiple operando spectroscopies.
In: Journal of Catalysis, 398
doi: 10.1016/j.jcat.2021.04.006
Artikel, Bibliographie

Ziemba, Marc ; Schumacher, Leon ; Hess, Christian (2021)
Reduction Behavior of Cubic In2O3 Nanoparticles by Combined Multiple In Situ Spectroscopy and DFT.
In: The Journal of Physical Chemistry Letters, 12 (15)
doi: 10.1021/acs.jpclett.1c00892
Artikel, Bibliographie

2019

Ruff, Philip ; Schumacher, Leon ; Rogg, Simone ; Hess, Christian (2019)
Atomic layer deposition-assisted synthesis of embedded vanadia catalysts.
In: ACS Catalysis, 9 (7)
doi: 10.1021/acscatal.9b01385
Artikel, Bibliographie