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 …

Selective increase in CO2 electroreduction activity at grain-boundary surface terminations

RG Mariano, K McKelvey, HS White, MW Kanan - Science, 2017 - science.org
Altering a material's catalytic properties requires identifying structural features that give rise
to active surfaces. Grain boundaries create strained regions in polycrystalline materials by …

Electroreduction of carbon monoxide to liquid fuel on oxide-derived nanocrystalline copper

CW Li, J Ciston, MW Kanan - Nature, 2014 - nature.com
The electrochemical conversion of CO2 and H2O into liquid fuel is ideal for high-density
renewable energy storage and could provide an incentive for CO2 capture. However …

Formation of lattice-dislocated bismuth nanowires on copper foam for enhanced electrocatalytic CO 2 reduction at low overpotential

X Zhang, X Sun, SX Guo, AM Bond… - Energy & Environmental …, 2019 - pubs.rsc.org
Metallic bismuth (Bi) is an electrocatalyst that promotes CO2 reduction to formate. However,
a substantial overpotential is needed to achieve a high formate faradaic efficiency along with …

Grain-Boundary-Dependent CO2 Electroreduction Activity

X Feng, K Jiang, S Fan, MW Kanan - Journal of the American …, 2015 - ACS Publications
Uncovering new structure–activity relationships for metal nanoparticle (NP) electrocatalysts
is crucial for advancing many energy conversion technologies. Grain boundaries (GBs) …

A direct grain-boundary-activity correlation for CO electroreduction on Cu nanoparticles

X Feng, K Jiang, S Fan, MW Kanan - ACS central science, 2016 - ACS Publications
Copper catalyzes the electrochemical reduction of CO to valuable C2+ products including
ethanol, acetate, propanol, and ethylene. These reactions could be very useful for …

Atomic-scale observation of dynamic grain boundary structural transformation during shear-mediated migration

Z Fang, J Xiao, S Tan, C Deng, G Wang, SX Mao - Science Advances, 2022 - science.org
Grain boundary (GB) structural change is commonly observed during and after stress-driven
GB migration in nanocrystalline materials, but its exact atomic scale transformation has not …

Tuned Chemical Bonding Ability of Au at Grain Boundaries for Enhanced Electrochemical CO2 Reduction

KS Kim, WJ Kim, HK Lim, EK Lee, H Kim - ACS Catalysis, 2016 - ACS Publications
Electrochemical carbon dioxide (CO2) reduction is an emerging technology for efficiently
recycling CO2 into fuel, and many studies of this reaction are focused on developing …

Grain boundary phases in bcc metals

T Frolov, W Setyawan, RJ Kurtz, J Marian, AR Oganov… - Nanoscale, 2018 - pubs.rsc.org
We report a computational discovery of novel grain boundary structures and multiple grain
boundary phases in elemental body-centered cubic (bcc) metals represented by tungsten …

Structures and transitions in bcc tungsten grain boundaries and their role in the absorption of point defects

T Frolov, Q Zhu, T Oppelstrup, J Marian, RE Rudd - Acta Materialia, 2018 - Elsevier
We use atomistic simulations to investigate grain boundary (GB) phase transitions in
elemental body-centered cubic (bcc) metal tungsten. Motivated by recent modeling study of …