Allen J. Bard
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View article: Atom-by-atom electrodeposition of single isolated cobalt oxide molecules and clusters for studying the oxygen evolution reaction
Atom-by-atom electrodeposition of single isolated cobalt oxide molecules and clusters for studying the oxygen evolution reaction Open
Significance This study demonstrates how the controlled deposition of isolated single molecules of the heterogeneous oxygen evolution reaction electrocatalyst cobalt oxide on a carbon nanoelectrode can be carried out and characterized by e…
View article: Electrochemical Characterization of Bromine Reduction to Tribromide in Individual Nitrobenzene-in-Water Emulsion Droplets
Electrochemical Characterization of Bromine Reduction to Tribromide in Individual Nitrobenzene-in-Water Emulsion Droplets Open
We report an electrochemical study of bromine reduction to tribromide in a single nitrobenzene (NB) droplet during a single collision event. The feasibility of this study is based on the favorable distribution of Br2 in NB rather than in w…
View article: Lipid Membrane Permeability of Synthetic Redox DMPC Liposomes Investigated by Single Electrochemical Collisions
Lipid Membrane Permeability of Synthetic Redox DMPC Liposomes Investigated by Single Electrochemical Collisions Open
The electrochemical detection of synthetic redox DMPC (1,2-dimyristoyl-sn-glycero-3-phosphocholine) liposomes by single collisions at 10 μm diameter carbon and Pt ultramicroelectrodes (UMEs) is reported. To study the parameters influencing…
View article: In Situ Detection of the Adsorbed Fe(II) Intermediate and the Mechanism of Magnetite Electrodeposition by Scanning Electrochemical Microscopy
In Situ Detection of the Adsorbed Fe(II) Intermediate and the Mechanism of Magnetite Electrodeposition by Scanning Electrochemical Microscopy Open
Electrodeposition is an important approach that can produce functional compound materials by assembling multiple species at the electrode surface. However, a fundamental understanding of the electrodeposition mechanism has been limited by …
View article: New Approaches to Semiconductor and Composite Electrode Characterization for Solar Energy Conversion
New Approaches to Semiconductor and Composite Electrode Characterization for Solar Energy Conversion Open
We seek advances in the fundamental understanding, discovery, and synthesis of stable, high-performing, nano-structured materials for solar photoelectrochemical (PEC) production of hydrogen (H2) in addition to perovskite photovoltaic mater…
View article: Electrochemical Nonadiabatic Electron Transfer via Tunneling to Solution Species through Thin Insulating Films
Electrochemical Nonadiabatic Electron Transfer via Tunneling to Solution Species through Thin Insulating Films Open
Described here is a semiquantitative theoretical treatment of the kinetics of outer sphere electrochemical reactions. The framework presented here, which is based on simple physical arguments, predicts heterogeneous rate constants consiste…
View article: Advanced Electrochemistry of Individual Metal Clusters Electrodeposited Atom by Atom to Nanometer by Nanometer
Advanced Electrochemistry of Individual Metal Clusters Electrodeposited Atom by Atom to Nanometer by Nanometer Open
Metal clusters are very important as building blocks for nanoparticles (NPs) for electrocatalysis and electroanalysis in both fundamental and applied electrochemistry. Attention has been given to understanding of traditional nucleation and…
View article: Nanometer Scale Scanning Electrochemical Microscopy Instrumentation
Nanometer Scale Scanning Electrochemical Microscopy Instrumentation Open
We report the crucial components required to perform scanning electrochemical microscopy (SECM) with nanometer-scale resolution. The construction and modification of the software and hardware instrumentation for nanoscale SECM are explicit…
View article: Millisecond Coulometry via Zeptoliter Droplet Collisions on an Ultramicroelectrode
Millisecond Coulometry via Zeptoliter Droplet Collisions on an Ultramicroelectrode Open
We show that discrete collisions of zeptoliter emulsion droplets on an ultramicroelectrode (UME) can be used as individual controlled potential coulometry experiments, lasting between 100 and 500 milliseconds. By loading a highly hydrophob…
View article: Enzymatically enhanced collisions on ultramicroelectrodes for specific and rapid detection of individual viruses
Enzymatically enhanced collisions on ultramicroelectrodes for specific and rapid detection of individual viruses Open
Significance Specific detection of individual nanometer-scale entities has been largely unavailable in the field of electrochemical collisions, where a change in amperometric current due to nonspecific adsorption at an ultramicroelectrode …