ZMB Member Kai S. Exner
ZMB Member
Kai S. Exner
Next ZMB-Member
Prof. Dr. Kai S. Exner
Faculty of Chemistry
University of Duisburg-Essen
Universitätsstr. 2
45141 Essen
- +49 201 183 2992
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Molecular and Chemical Cell Biology
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Selected Publications
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Best practices of modeling complex materials in electrocatalysis, exemplified by oxygen evolution reaction on pentlanditesIn: Physical Chemistry, Chemical Physics (PCCP) Vol. 26 (2024) Nr. 34, pp. 22359 - 22370Online Full Text: dx.doi.org/ (Open Access)
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Computational study of oxygen evolution reaction on flat and stepped surfaces of strontium titanateIn: Catalysis Today Vol. 432 (2024) 114609Online Full Text: dx.doi.org/
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Computationally screening non-precious single atom catalysts for oxygen reduction in alkaline mediaIn: Catalysis Today Vol. 431 (2024) 114560Online Full Text: dx.doi.org/ (Open Access)
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Continuous and Scalable Laser Synthesis of Atom Clusters with Tunable Surface Oxidation for Electrocatalytic Water SplittingIn: ACS Applied Energy Materials Vol. 7 (2024) Nr. 9, pp. 4057 - 4067Online Full Text: dx.doi.org/
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Editorial Overview: Fundamental and Theoretical Electrochemistry (2024) : Theoretical approaches for energy conversion on various time and length scalesIn: Current Opinion in Electrochemistry Vol. 43 (2024) 101427Online Full Text: dx.doi.org/
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Fluoride Substitution : Quantifying Surface Hydroxyls of Metal Oxides with Fluoride IonsIn: Advanced Materials Interfaces Vol. 11 (2024) Nr. 26, 2400237Online Full Text: dx.doi.org/ (Open Access)
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Four Generations of Volcano Plots for the Oxygen Evolution Reaction : Beyond Proton-Coupled Electron Transfer Steps?In: Accounts of Chemical Research Vol. 57 (2024) Nr. 9, pp. 1336 - 1345Online Full Text: dx.doi.org/ (Open Access)
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Is the ∗O vs. ∗OH scaling relation intercept more relevant than the ∗OOH vs. ∗OH intercept to capture trends in the oxygen evolution reaction?In: Chem Catalysis Vol. 4 (2024) Nr. 7, 101039Online Full Text: dx.doi.org/ (Open Access)
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MXenes as Electrocatalysts for the CO₂ Reduction Reaction : Recent Advances and Future ChallengesIn: ChemElectroChem Vol. 11 (2024) Nr. 5, e202300598Online Full Text: dx.doi.org/ (Open Access)
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Refining Free-Energy Calculations for Electrochemical Reactions : Unveiling Corrections beyond Gas-Phase Errors for Solvated Species and IonsIn: Journal of Physical Chemistry C: Nanomaterials and Interfaces Vol. 128 (2024) Nr. 33, pp. 13732 - 13742Online Full Text: dx.doi.org/ (Open Access)
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Toward data‐ and mechanistic‐driven volcano plots in electrocatalysisIn: Electrochemical Science Advances Vol. 4 (2024) Nr. 2, e2200014Online Full Text: dx.doi.org/ Online Full Text (Open Access)
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Why efficient bifunctional hydrogen electrocatalysis requires a change in the reaction mechanismIn: iScience Vol. 27 (2024) Nr. 2, 108848Online Full Text: dx.doi.org/ (Open Access)
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Combining descriptor-based analyses and mean-field modeling of the electrochemical interface to comprehend trends of catalytic processes at the solid/liquid interfaceIn: Journal of Energy Chemistry Vol. 85 (2023) pp. 288 - 290Online Full Text: dx.doi.org/ (Open Access)
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First Principles Calculations of Hydrogen Evolution Reaction and Proton Migration on Stepped Surfaces of SrTiO₃In: Advanced Theory and Simulations Vol. 6 (2023) Nr. 10, Special Issue: Computational Materials Science, 2200619Online Full Text: dx.doi.org/ (Open Access)
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How data-driven approaches advance the search for materials relevant to energy conversion and storageIn: Materials Today Energy Vol. 36 (2023) 101364Online Full Text: dx.doi.org/ (Open Access)
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Implications of the M-OO∙∙OO-M recombination mechanism on materials screening and the oxygen evolution reactionIn: JPhys Energy Vol. 5 (2023) Nr. 1, 014008Online Full Text: dx.doi.org/ (Open Access)
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Importance of broken geometric symmetry of single-atom Pt sites for efficient electrocatalysisIn: Nature Communications Vol. 14 (2023) Nr. 1, 3233Online Full Text: dx.doi.org/ (Open Access)
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Importance of the Walden Inversion for the Activity Volcano Plot of Oxygen EvolutionIn: Advanced Science Vol. 10 (2023) Nr. 36, 2305505Online Full Text: dx.doi.org/ Online Full Text (Open Access)
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Importance of the volcano slope to comprehend activity and selectivity trends in electrocatalysisIn: Current Opinion in Electrochemistry Vol. 39 (2023) 101284Online Full Text: dx.doi.org/ (Open Access)
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Materials Screening by the Descriptor Gmₐₓ(η) : The Free-Energy Span Model in ElectrocatalysisIn: ACS Catalysis Vol. 13 (2023) Nr. 3, pp. 1740 - 1758Online Full Text: dx.doi.org/
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On the concept of metal-hydrogen peroxide batteries : Improvement over metal-air batteries?In: Energy Advances Vol. 2 (2023) Nr. 4, pp. 522 - 529Online Full Text: dx.doi.org/ (Open Access)
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On the mechanistic complexity of oxygen evolution : potential-dependent switching of the mechanism at the volcano apexIn: Materials Horizons Vol. 10 (2023) Nr. 6, 2086Online Full Text: dx.doi.org/ (Open Access)
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Photomechanical Laser Fragmentation of IrO₂ Microparticles for the Synthesis of Active and Redox-Sensitive Colloidal NanoclustersIn: Small Vol. 19 (2023) Nr. 10, 2206485Online Full Text: dx.doi.org/ (Open Access)
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Rapid Screening of Mechanistic Pathways for Oxygen-Reduction CatalystsIn: ChemCatChem Vol. 15 (2023) Nr. 3, e202201222Online Full Text: dx.doi.org/ (Open Access)
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Standard-state entropies and their impact on the potential-dependent apparent activation energy in electrocatalysisIn: Journal of Energy Chemistry Vol. 83 (2023) pp. 247 - 254Online Full Text: dx.doi.org/ (Open Access)
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Steering Selectivity in the Four-Electron and Two-Electron Oxygen Reduction Reactions : On the Importance of the Volcano SlopeIn: ACS Physical Chemistry Au Vol. 3 (2023) Nr. 2, pp. 190 - 198Online Full Text: dx.doi.org/ (Open Access)
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Theoretical study of the mechanism of the hydrogen evolution reaction on the V₂C MXene : Thermodynamic and kinetic aspectsIn: Journal of Catalysis Vol. 421 (2023) pp. 252 - 263Online Full Text: dx.doi.org/ (Open Access)
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Beyond the thermodynamic volcano picture in the nitrogen reduction reaction over transition-metal oxides : Implications for materials screeningIn: Chinese Journal of Catalysis Vol. 43 (2022) Nr. 11, pp. 2871 - 2880Online Full Text: dx.doi.org/
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Circumventing the OCl versus OOH scaling relation in the chlorine evolution reaction : Beyond dimensionally stable anodesIn: Current Opinion in Electrochemistry Vol. 34 (2022) 100979Online Full Text: dx.doi.org/ (Open Access)
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Computational Pourbaix Diagrams for MXenes : A Key Ingredient toward Proper Theoretical Electrocatalytic StudiesIn: Advanced Theory and Simulations Vol. 6 (2022) Nr. 10, Special Issue: Computational Materials Science, 2200217Online Full Text: dx.doi.org/ (Open Access)
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Computational electrochemistry focusing on nanostructured catalysts : challenges and opportunitiesIn: Materials Today Energy Vol. 28 (2022) 101083Online Full Text: dx.doi.org/ (Open Access)
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Method to Determine the Bifunctional Index for the Oxygen Electrocatalysis from TheoryIn: ChemElectroChem Vol. 9 (2022) Nr. 4, e202101603Online Full Text: dx.doi.org/ (Open Access)
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On the Optimization of Nitrogen-Reduction Electrocatalysts : Breaking Scaling Relation or Catalytic Resonance Theory?In: ChemCatChem Vol. 14 (2022) Nr. 16, e202200366Online Full Text: dx.doi.org/ (Open Access)
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On the optimum binding energy for the hydrogen evolution reaction: How do experiments contribute?In: Electrochemical Science Advances Vol. 2 (2022) Nr. 4, e2100101Online Full Text: dx.doi.org/ Online Full Text (Open Access)
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Statistical analysis of breaking scaling relation in the oxygen evolution reactionIn: Electrochimica Acta Vol. 412 (2022) 140125Online Full Text: dx.doi.org/ (Open Access)
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Why the microkinetic modeling of experimental tafel plots requires knowledge of the reaction intermediate's binding energyIn: Electrochemical Science Advances Vol. 2 (2022) Nr. 4, e2100037Online Full Text: dx.doi.org/ (Open Access)
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A Universal Approach to Quantify Overpotential-Dependent Selectivity Trends for the Competing Oxygen Evolution and Peroxide Formation Reactions : A Case Study on Graphene Model ElectrodesIn: Journal of Physical Chemistry C: Nanomaterials and Interfaces Vol. 125 (2021) Nr. 19, pp. 10413 - 10421Online Full Text: dx.doi.org/
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Boosting the Stability of RuO₂ in the Acidic Oxygen Evolution Reaction by Tuning Oxygen-Vacancy Formation Energies : A Viable Approach Beyond Noble-Metal Catalysts?In: ChemElectroChem Vol. 8 (2021) Nr. 1, pp. 46 - 48Online Full Text: dx.doi.org/
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Characterization of Ti electrodes electrophoretically coated with IrO₂-Ta₂O₅ films with different Ir:Ta molar ratiosIn: Journal of Alloys and Compounds Vol. 862 (2021) 158015Online Full Text: dx.doi.org/
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General Efficacy of Atomically Dispersed Pt Catalysts for the Chlorine Evolution Reaction : Potential-Dependent Switching of the Kinetics and MechanismIn: ACS Catalysis Vol. 11 (2021) Nr. 19, pp. 12232 - 12246Online Full Text: dx.doi.org/
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Hydrogen electrocatalysis revisited : Weak bonding of adsorbed hydrogen as the design principle for active electrode materialsIn: Current Opinion in Electrochemistry Vol. 26 (2021) 100673Online Full Text: dx.doi.org/
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Method to Construct Volcano Relations by Multiscale Modeling : Building Bridges between the Catalysis and Biosimulation CommunitiesIn: Journal of Physical Chemistry B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical Chemistry Vol. 125 (2021) Nr. 8, pp. 2098 - 2104Online Full Text: dx.doi.org/
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On the Lattice Oxygen Evolution Mechanism : Avoiding PitfallsIn: ChemCatChem Vol. 13 (2021) Nr. 19, pp. 4066 - 4074Online Full Text: dx.doi.org/ (Open Access)
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Skalierungsbeziehungen in der Sauerstoffgasentwicklung : Fluch oder Segen?In: Unikate: Berichte aus Forschung und Lehre (2021) Nr. 57: Katalyse : Alles andere als oberflächlich, pp. 133 - 138Online Full Text: dx.doi.org/ Online Full Text (Open Access)
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The Sabatier Principle in Electrocatalysis : Basics, Limitations, and ExtensionsIn: Frontiers in Energy Research Vol. 9 (2021) 654460Online Full Text: dx.doi.org/ Online Full Text (Open Access)
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The electrochemical-step asymmetry indexIn: MethodsX Vol. 8 (2021) 101590Online Full Text: dx.doi.org/ (Open Access)
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Why approximating electrocatalytic activity by a single free-energy change is insufficientIn: Electrochimica Acta Vol. 375 (2021) pp. 137975Online Full Text: dx.doi.org/
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Why the breaking of the OOH versus OH scaling relation might cause decreased electrocatalytic activityIn: Chem Catalysis Vol. 1 (2021) Nr. 2, pp. 258 - 271Online Full Text: dx.doi.org/ (Open Access)
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Why the optimum thermodynamic free-energy landscape of the oxygen evolution reaction reveals an asymmetric shapeIn: Materials Today Energy Vol. 21 (2021) 100831Online Full Text: dx.doi.org/ (Open Access)
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A Universal Descriptor for the Screening of Electrode Materials for Multiple-Electron Processes : Beyond the Thermodynamic OverpotentialIn: ACS Catalysis Vol. 10 (2020) Nr. 21, pp. 12607 - 12617Online Full Text: dx.doi.org/ (Open Access)
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Beyond Dimensionally Stable Anodes : Single-Atom Catalysts with Superior Chlorine SelectivityIn: ChemElectroChem Vol. 7 (2020) Nr. 7, pp. 1528 - 1530Online Full Text: dx.doi.org/
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Beyond thermodynamic-based material-screening concepts : Kinetic scaling relations exemplified by the chlorine evolution reaction over transition-metal oxidesIn: Electrochimica Acta Vol. 334 (2020) 135555Online Full Text: dx.doi.org/
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Comparison of the Conventional Volcano Analysis with a Unifying Approach : Material Screening Based on a Combination of Experiment and TheoryIn: Journal of Physical Chemistry C: Nanomaterials and Interfaces Vol. 124 (2020) Nr. 1, pp. 822 - 828Online Full Text: dx.doi.org/
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Design criteria for the competing chlorine and oxygen evolution reactions : avoid the OCl adsorbate to enhance chlorine selectivityIn: Physical Chemistry, Chemical Physics (PCCP) Vol. 22 (2020) Nr. 39, pp. 22451 - 22458Online Full Text: dx.doi.org/
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Does a Thermoneutral Electrocatalyst Correspond to the Apex of a Volcano Plot for a Simple Two-Electron Process?In: Angewandte Chemie International Edition Vol. 59 (2020) Nr. 26, pp. 10236 - 10240Online Full Text: dx.doi.org/ (Open Access)
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Electrolyte Engineering as a Key Strategy Towards a Sustainable Energy Scenario?In: ChemElectroChem Vol. 7 (2020) Nr. 3, pp. 594 - 595Online Full Text: dx.doi.org/
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Identifying a gold nanoparticle as a proactive carrier for transport of a doxorubicin-peptide complexIn: Colloids and Surfaces B: Biointerfaces Vol. 194 (2020) 111155Online Full Text: dx.doi.org/
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Overpotential-Dependent Volcano Plots to Assess Activity Trends in the Competing Chlorine and Oxygen Evolution ReactionsIn: ChemElectroChem Vol. 7 (2020) Nr. 6, pp. 1448 - 1455Online Full Text: dx.doi.org/
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Paradigm change in hydrogen electrocatalysis : the volcano's apex is located at weak bonding of the reaction intermediateIn: International Journal of Hydrogen Energy Vol. 45 (2020) Nr. 51, pp. 27221 - 27229Online Full Text: dx.doi.org/
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Recent Progress in the Development of Screening Methods to Identify Electrode Materials for the Oxygen Evolution ReactionIn: Advanced Functional Materials Vol. 30 (2020) Nr. 42, 2005060Online Full Text: dx.doi.org/
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Universality in Oxygen Evolution Electrocatalysis : High-Throughput Screening and a Priori Determination of the Rate-Determining Reaction StepIn: ChemCatChem Vol. 12 (2020) Nr. 7, pp. 2000 - 2003Online Full Text: dx.doi.org/
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Activity-Stability Volcano Plots for Material Optimization in ElectrocatalysisIn: ChemCatChem Vol. 11 (2019) Nr. 14, pp. 3234 - 3241Online Full Text: dx.doi.org/
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Beyond the Rate-Determining Step in the Oxygen Evolution Reaction over a Single-Crystalline IrO₂(110) Model Electrode : Kinetic Scaling RelationsIn: ACS Catalysis Vol. 9 (2019) Nr. 8, pp. 6755 - 6765Online Full Text: dx.doi.org/
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Beyond the Traditional Volcano Concept : Overpotential-Dependent Volcano Plots Exemplified by the Chlorine Evolution Reaction over Transition-Metal OxidesIn: Journal of Physical Chemistry C: Nanomaterials and Interfaces Vol. 123 (2019) Nr. 27, pp. 16921 - 16928Online Full Text: dx.doi.org/
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Controlling Stability and Selectivity in the Competing Chlorine and Oxygen Evolution Reaction over Transition Metal Oxide ElectrodesIn: ChemElectroChem Vol. 6 (2019) Nr. 13, pp. 3401 - 3409Online Full Text: dx.doi.org/
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Design criteria for oxygen evolution electrocatalysts from first principles: : Introduction of a unifying material-screening approachIn: ACS Applied Energy Materials Vol. 2 (2019) Nr. 11, pp. 7991 - 8001Online Full Text: dx.doi.org/
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Is Thermodynamics a Good Descriptor for the Activity? : Re-Investigation of Sabatier's Principle by the Free Energy Diagram in ElectrocatalysisIn: ACS Catalysis Vol. 9 (2019) Nr. 6, pp. 5320 - 5329Online Full Text: dx.doi.org/
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Recent Advancements Towards Closing the Gap between Electrocatalysis and Battery Science Communities : The Computational Lithium Electrode and Activity–Stability Volcano PlotsIn: ChemSusChem Vol. 12 (2019) Nr. 11, pp. 2330 - 2344Online Full Text: dx.doi.org/
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A Universal Approach to Determine the Free Energy Diagram of an Electrocatalytic ReactionIn: ACS Catalysis Vol. 8 (2018) Nr. 3, pp. 1864 - 1879Online Full Text: dx.doi.org/
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A short perspective of modeling electrode materials in lithium-ion batteries by the ab initio atomistic thermodynamics approachIn: Journal of Solid State Electrochemistry Vol. 22 (2018) Nr. 10, pp. 3111 - 3117Online Full Text: dx.doi.org/
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Activity – Stability Volcano Plots for the Investigation of Nano-Sized Electrode Materials in Lithium-Ion BatteriesIn: ChemElectroChem Vol. 5 (2018) Nr. 21, pp. 3243 - 3248Online Full Text: dx.doi.org/
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Kinetic study of gold nanoparticles synthesized in the presence of chitosan and citric acidIn: Colloids and Surfaces A: Physicochemical and Engineering Aspects Vol. 557 (2018) pp. 106 - 115Online Full Text: dx.doi.org/ Online Full Text (Open Access)
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Constrained Ab Initio Thermodynamics : Transferring the Concept of Surface Pourbaix Diagrams in Electrocatalysis to Electrode Materials in Lithium-Ion BatteriesIn: ChemElectroChem Vol. 4 (2017) Nr. 12, pp. 3231 - 3237Online Full Text: dx.doi.org/
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Full Free Energy Diagram of an Electrocatalytic Reaction over a Single-Crystalline Model ElectrodeIn: ChemElectroChem Vol. 4 (2017) Nr. 11, pp. 2902 - 2908Online Full Text: dx.doi.org/
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Kinetics of Electrocatalytic Reactions from First-Principles : A Critical Comparison with the Ab Initio Thermodynamics ApproachIn: Accounts of Chemical Research Vol. 50 (2017) Nr. 5, pp. 1240 - 1247Online Full Text: dx.doi.org/
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Temperature-Dependent Kinetic Studies of the Chlorine Evolution Reaction over RuO₂(110) Model ElectrodesIn: ACS Catalysis Vol. 7 (2017) Nr. 4, pp. 2403 - 2411Online Full Text: dx.doi.org/
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Full Kinetics from First Principles of the Chlorine Evolution Reaction over a RuO₂(110) Model ElectrodeIn: Angewandte Chemie International Edition Vol. 55 (2016) Nr. 26, pp. 7501 - 7504Online Full Text: dx.doi.org/
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Combined experiment and theory approach in surface chemistry : Stairway to heaven?In: Surface Science Vol. 640 (2015) pp. 165 - 180Online Full Text: dx.doi.org/
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Ligand Effects and Their Impact on Electrocatalytic Processes Exemplified with the Oxygen Evolution Reaction (OER) on RuO₂(110)In: ChemElectroChem Vol. 2 (2015) Nr. 5, pp. 707 - 713Online Full Text: dx.doi.org/
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Microscopic Insights into the Chlorine Evolution Reaction on RuO₂(110) : a Mechanistic Ab Initio Atomistic Thermodynamics StudyIn: Electrocatalysis Vol. 6 (2015) Nr. 2, pp. 163 - 172Online Full Text: dx.doi.org/
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Chlorine Evolution Reaction on RuO₂(110) : Ab initio Atomistic Thermodynamics Study - Pourbaix DiagramsIn: Electrochimica Acta Vol. 120 (2014) pp. 460 - 466Online Full Text: dx.doi.org/
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Controlling selectivity in the chlorine evolution reaction over RuO₂-based catalystsIn: Angewandte Chemie International Edition Vol. 53 (2014) Nr. 41, pp. 11032 - 11035Online Full Text: dx.doi.org/