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Surfactant-Free Synthesis of Spiky Hollow Ag-Au Nanostars with Chemically Exposed Surfaces for Enhanced Catalysis and Single-Particle SERS
Ziwei Ye, Chunchun Li, Maurizio Celentano +8
Spiky/hollow metal nanoparticles have applications across a broad range of fields. However, current bottom-up methods to produce spiky/hollow metal nanoparticles rely heavily on th…
Doped graphene/carbon black hybrid catalyst giving enhanced oxygen reduction reaction activity with high resistance to corrosion in proton exchange membrane fuel cells
Zhaoqi Ji, Jianuo Chen, María Pérez-Page +6
Nitrogen doping of the carbon is an important method to improve the performance and durability of catalysts for proton exchange membrane fuel cells by platinum-nitrogen and carbon-…
Oleylamine aging of PtNi nanoparticles giving enhanced functionality for the oxygen reduction reaction
Gerard M Leteba, Yi-Chi Wang, Thomas J A Slater +10
We report a rapid solution-phase strategy to synthesize alloyed PtNi nanoparticles which demonstrate outstanding functionality for the oxygen reduction reaction (ORR). This one-pot…
Interfacial ferroelectricity in marginally twisted 2D semiconductors
Astrid Weston, Eli G Castanon, Vladimir Enaldiev +19
Twisted heterostructures of two-dimensional crystals offer almost unlimited scope for the design of novel metamaterials. Here we demonstrate a room-temperature ferroelectric semico…
Ion exchange in atomically thin clays and micas
Yi-Chao Zou, Lucas Mogg, Nick Clark +13
Clays and micas are receiving attention as materials that, in their atomically thin form, could allow for novel proton conductive, ion selective, osmotic power generation, or solve…
Iron-silica interaction during reduction of precipitated silica-promoted iron oxides using in situ XRD and TEM
M. J. Coombes, E. J. Olivier, E. Prestat +3
The effect of silica-promotion on the reduction of iron oxides in hydrogen was investigated using in situ X-ray diffraction and aberration-corrected transmission electron microscop…