Atomic heterointerface engineering overcomes the activity limitation of electrocatalysts and promises highly-efficient alkaline water splitting

Q Xu, J Zhang, H Zhang, L Zhang, L Chen… - Energy & …, 2021 - pubs.rsc.org
Alkaline water splitting, especially anion-exchange-membrane based water electrolysis, is
an attractive way for low-cost and scalable H2 production. Green electricity-driven alkaline …

Operando scanning electrochemical probe microscopy during electrocatalysis

C Santana Santos, BN Jaato, I Sanjuán… - Chemical …, 2023 - ACS Publications
Scanning electrochemical probe microscopy (SEPM) techniques can disclose the local
electrochemical reactivity of interfaces in single-entity and sub-entity studies. Operando …

Correlative operando microscopy of oxygen evolution electrocatalysts

JT Mefford, AR Akbashev, M Kang, CL Bentley… - Nature, 2021 - nature.com
Transition metal (oxy) hydroxides are promising electrocatalysts for the oxygen evolution
reaction,–. The properties of these materials evolve dynamically and heterogeneously with …

The new era of high-throughput nanoelectrochemistry

X Xu, D Valavanis, P Ciocci, S Confederat… - Analytical …, 2023 - ACS Publications
To acquire a deeper understanding of electrochemical systems requires techniques that
address nanoscale aspects of electrochemistry, inter alia, the detection and analysis of …

Microstructural origin of locally enhanced CO2 electroreduction activity on gold

RG Mariano, M Kang, OJ Wahab, IJ McPherson… - Nature Materials, 2021 - nature.com
Understanding how the bulk structure of a material affects catalysis on its surface is critical to
the development of actionable catalyst design principles. Bulk defects have been shown to …

Multiscale analysis of electrocatalytic particle activities: linking nanoscale measurements and ensemble behavior

M Kang, CL Bentley, JT Mefford, WC Chueh… - ACS …, 2023 - ACS Publications
Nanostructured electrocatalysts exhibit variations in electrochemical properties across
different length scales, and the intrinsic catalytic characteristics measured at the nanoscale …

Thousand-fold increase in O2 electroreduction rates with conductive MOFs

RG Mariano, OJ Wahab, JA Rabinowitz… - ACS Central …, 2022 - ACS Publications
Molecular materials must deliver high current densities to be competitive with traditional
heterogeneous catalysts. Despite their high density of active sites, it has been unclear why …

Exploring the strain effect in single particle electrochemistry using Pd nanocrystals

J Zhao, M Wang, Y Peng, J Ni, S Hu… - Angewandte …, 2023 - Wiley Online Library
Tuning the surface strain of heterogeneous catalysts is recognized as a powerful strategy for
tailoring their catalytic activity. However, a clear understanding of the strain effect in …

Proton transport through nanoscale corrugations in two-dimensional crystals

OJ Wahab, E Daviddi, B Xin, PZ Sun, E Griffin… - Nature, 2023 - nature.com
Defect-free graphene is impermeable to all atoms,,,–and ions, under ambient conditions.
Experiments that can resolve gas flows of a few atoms per hour through micrometre-sized …

Screening Surface Structure–Electrochemical Activity Relationships of Copper Electrodes under CO2 Electroreduction Conditions

OJ Wahab, M Kang, E Daviddi, M Walker… - ACS catalysis, 2022 - ACS Publications
Understanding how crystallographic orientation influences the electrocatalytic performance
of metal catalysts can potentially advance the design of catalysts with improved efficiency …