Coordination-Controlled Stability of Pd Single-Atom Catalysts under Electrochemical Conditions
Operando photoelectrochemical MS links oxygen evolution selectivity on hematite photoanodes to surface-hole density: near-zero Faradaic efficiency at low hole density, rising sharply as kinetics cross over to cooperative third-order water oxidation.
Linking Oxygen Evolution Selectivity to Water Oxidation Reaction Order on Hematite Photoanodes by Operando Photoelectrochemical Mass Spectrometry
Operando photoelectrochemical MS links oxygen evolution selectivity on hematite photoanodes to surface-hole density: near-zero Faradaic efficiency at low hole density, rising sharply as kinetics cross over to cooperative third-order water oxidation.
Active Phase of Nickel Electrocatalysts Driving Alkaline Hydrogen Evolution
Operando Ni L-edge XAS, XPS, isotope-labeled NanoSIMS and online EC-MS track the active phase of nickel electrocatalysts driving alkaline hydrogen evolution at Ni/NiOxHy interfaces.
Interpretable data-driven discovery of high-performance multielement metal oxide electrocatalysts for oxygen evolution reaction from a small hybrid dataset
An interpretable data-driven framework, trained on a hybrid dataset of just 557 points, discovers high-performance multielement metal oxide electrocatalysts for the alkaline oxygen evolution reaction in far less time than trial-and-error.
A Robust Methodology to Elucidate Kinetics of Room Temperature Electrochemical Propane Adsorption on Platinum
A robust kinetic methodology for room-temperature electrochemical propane adsorption on platinum reveals spontaneous formation of deeply dehydrogenated, C3-intact propane-derived surface species in acidic aqueous electrolyte.
Ambient, Bias-Free, Green Nanoparticle Synthesis via Microdroplet-Confined Galvanic Chemistry
A green, bias-free method sprays metal-salt microdroplets onto Zn-templated conductive substrates; microdroplet-confined galvanic chemistry deposits Cu, Ag, Pt and Au nanoparticles with mean diameters below 61 nm.
Molecular Copper Bipyridine Complex as a Catalyst for Electrochemical Nitrate Reduction
A well-defined [Cu(bpy)2Cl]+ copper bipyridine complex catalyzes electrochemical nitrate reduction to ammonia at ~100% Faradaic efficiency and over 30 mA/cm2 at -0.89 V vs RHE, with 4-position pyridine substituents tuning the structure-activity relationship.
Unraveling electrochemical glycine conversion pathways for ammonia recovery from organic waste
A cross-institutional study of electrochemical glycine conversion pathways shows ammonia recovery from organic waste is favored under oxidative potentials above 1.60 V RHE, with Ni outperforming Au and Pt, and ammonia dominant at 2.00 V RHE.
Pulsed electrosynthesis orthogonally optimizes C‒N coupling and hydrogenation for amine production with a molecular catalyst
Pulsed electrosynthesis alternates potentials to orthogonally decouple C-N coupling from hydrogenation in CO2/nitrate co-electrolysis, tripling the reaction rate and doubling methylamine selectivity with a cobalt phthalocyanine molecular catalyst.
Tuning the Water Reactivity of LaCoO3 Surfaces by Subsurface Engineering
Near-ambient-pressure core-level spectroscopy shows how subsurface engineering tunes the water reactivity of LaCoO3 surfaces, shifting hydroxyl affinity and Co valence response via the 3d orbital occupation of interfacially engineered perovskite oxide films.