Operando Stability Studies of Ultrathin Single-Crystalline IrO2(110) Films under Acidic Oxygen Evolution Reaction Conditions
T Weber, V Vonk, D Escalera-López… - ACS …, 2021 - ACS Publications
The anodic corrosion behavior of 50 Å thick single-crystalline IrO2 (110) films supported on
slightly bulk-reduced TiO2 (110) single crystals is studied during acidic water splitting by a …
slightly bulk-reduced TiO2 (110) single crystals is studied during acidic water splitting by a …
Potential-Induced Pitting Corrosion of an IrO2(110)-RuO2(110)/Ru(0001) Model Electrode under Oxygen Evolution Reaction Conditions
T Weber, J Pfrommer, MJS Abb, B Herd, O Khalid… - ACS …, 2019 - ACS Publications
Sophisticated IrO2 (110)-based model electrodes are prepared by deposition of a 10 nm
thick single-crystalline IrO2 (110) layer supported on a structure-directing RuO2 (110)/Ru …
thick single-crystalline IrO2 (110) layer supported on a structure-directing RuO2 (110)/Ru …
Extraordinary Stability of IrO2(110) Ultrathin Films Supported on TiO2(110) under Cathodic Polarization
T Weber, V Vonk, MJS Abb, J Evertsson… - The journal of …, 2020 - ACS Publications
Down to a cathodic potentials of− 1.20 V versus the reversible hydrogen electrode, the
structure of IrO2 (110) electrodes supported by TiO2 (110) is found to be stable by in situ …
structure of IrO2 (110) electrodes supported by TiO2 (110) is found to be stable by in situ …
Effect of IrO6 Octahedron Distortion on the OER Activity at (100) IrO2 Thin Film
G Buvat, MJ Eslamibidgoli, AH Youssef… - ACS …, 2019 - ACS Publications
The (100) crystallographic plane is the most active facet of iridium dioxide (IrO2) for the
oxygen evolution reaction (OER). Pulsed laser deposition was used to grow (100) IrO2 on a …
oxygen evolution reaction (OER). Pulsed laser deposition was used to grow (100) IrO2 on a …
Visualizing Potential‐Induced Pitting Corrosion of Ultrathin Single‐Crystalline IrO2(110) Films on RuO2(110)/Ru(0001) under Electrochemical Water Splitting …
T Weber, T Ortmann, D Escalera‐López… - …, 2020 - Wiley Online Library
Abstract Sophisticated IrO2 (110)‐RuO2 (110)/Ru (0001) model electrodes are employed in
the oxygen evolution reaction (OER) under acidic conditions. The potential‐induced pitting …
the oxygen evolution reaction (OER) under acidic conditions. The potential‐induced pitting …
Ab Initio Thermodynamics Insight into the Structural Evolution of Working IrO2 Catalysts in Proton-Exchange Membrane Electrolyzers
D Opalka, C Scheurer, K Reuter - ACS Catalysis, 2019 - ACS Publications
At the cell voltages required to reach technologically viable current densities in proton-
exchange membrane (PEM) electrolyzers, IrO2 catalysts are suspected to undergo a …
exchange membrane (PEM) electrolyzers, IrO2 catalysts are suspected to undergo a …
Growth of Ultrathin Single-Crystalline IrO2(110) Films on a TiO2(110) Single Crystal
MJS Abb, T Weber, L Glatthaar, H Over - Langmuir, 2019 - ACS Publications
The growth of a flat, covering, and single-crystalline IrO2 (110) film with controlled film
thickness on a single-crystalline TiO2 (110) substrate is reported. The preparation starts with …
thickness on a single-crystalline TiO2 (110) substrate is reported. The preparation starts with …
Isothermal Reduction of IrO2(110) Films by Methane Investigated Using In Situ X-ray Photoelectron Spectroscopy
Continuous exposure to methane causes IrO2 (110) films on Ir (100) to undergo extensive
reduction at temperatures from 500 to 650 K. Measurements using in situ X-ray …
reduction at temperatures from 500 to 650 K. Measurements using in situ X-ray …
Operando Direct Observation of Stable Water-Oxidation Intermediates on Ca2–xIrO4 Nanocrystals for Efficient Acidic Oxygen Evolution
We report Ca2–x IrO4 nanocrystals exhibit record stability of 300 h continuous operation and
high iridium mass activity (248 A gIr–1 at 1.5 VRHE) that is about 62 times that of benchmark …
high iridium mass activity (248 A gIr–1 at 1.5 VRHE) that is about 62 times that of benchmark …
Oxygen Evolution Electrocatalysis in Acids: Atomic Tuning of the Stability Number for Submonolayer IrOx on Conductive Oxides from Molecular Precursors
Proton-exchange-membrane water electrolyzers (PEMWEs) produce high-purity H2,
withstand load fluctuations, and operate with a pure-water feed but require platinum-group …
withstand load fluctuations, and operate with a pure-water feed but require platinum-group …