Sienna N. Gonzalez, Claire McFadden Block, Ryan P. O’Hayre and Ryan M. Richards*,
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Synthesis Methods for Electrochemically Applicable High Entropy Oxides
As field-dispatchable power sources offer an alternative means of energy conversion, electrocatalyst development has become an area of intense focus. Emphasis has been placed on the transition from expensive electrocatalysts such as platinum and palladium toward earth abundant materials. Such a shift would result in lowered costs, enhanced durability, and an increased potential for implementation on a broader scale. High entropy oxides (HEOs) are an emerging class of materials that can offer both earth abundance and tunability of composition and morphology, making them excellent candidates for electrocatalysis. Several approaches have been taken to synthesize these materials and achieve balance between single-phase, highly crystalline products and high-surface area, nanostructured products. This work offers a survey of these methods, as well as our perspective on the most promising pathways forward. Emphasis is placed on clarifying the benefits, challenges, and overall suitability of each means of synthesis with electrocatalytic applications in mind.
期刊介绍:
Langmuir is an interdisciplinary journal publishing articles in the following subject categories:
Colloids: surfactants and self-assembly, dispersions, emulsions, foams
Interfaces: adsorption, reactions, films, forces
Biological Interfaces: biocolloids, biomolecular and biomimetic materials
Materials: nano- and mesostructured materials, polymers, gels, liquid crystals
Electrochemistry: interfacial charge transfer, charge transport, electrocatalysis, electrokinetic phenomena, bioelectrochemistry
Devices and Applications: sensors, fluidics, patterning, catalysis, photonic crystals
However, when high-impact, original work is submitted that does not fit within the above categories, decisions to accept or decline such papers will be based on one criteria: What Would Irving Do?
Langmuir ranks #2 in citations out of 136 journals in the category of Physical Chemistry with 113,157 total citations. The journal received an Impact Factor of 4.384*.
This journal is also indexed in the categories of Materials Science (ranked #1) and Multidisciplinary Chemistry (ranked #5).