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Electrical contacts often dominate charge transport properties at the nanoscale because of considerable differences in nanoelectronic device interfaces arising from unique geometric and electrostatic features. Transistors with a tunable Schottky barrier between the metal and semiconductor interface might simplify circuit design. Here, germanium nanowire (Ge NW) transistors with Cu3Ge as source/drain...
One of the key challenges in artificial photosynthesis is to design a photocatalyst that can bind and activate the CO2 molecule with the smallest possible activation energy and produce selective hydrocarbon products. In this contribution, a combined experimental and computational study on Ni‐nanocluster loaded black TiO2 (Ni/TiO2[Vo]) with built‐in dual active sites for selective photocatalytic CO...
In article number 1702928, Indrajit Shown, Li‐Chyong Chen, Kuei‐Hsien Chen, and co‐workers report a black titania with dual active sites (Ni‐nanoclusters and oxygen vacancy) for photocatalytic carbon dioxide (CO2) reduction via artificial photosynthesis with H2O and simulated sunlight. The intentionally introduced dual active sites lead to not only high photocatalytic activity, but also to selective...
Previous studies on nanofluidic salinity gradient power (NSGP), where energy associated with the salinity gradient can be harvested with ion‐selective nanopores, all suggest that nanofluidic devices having higher surface charge density should have higher performance, including osmotic power and conversion efficiency. In this manuscript, this viewpoint is challenged and anomalous counterintuitive pH‐dependent...
Li‐Hsien Yeh and co‐workers, report for the first time, in article number 1702691, that a nanopore having smaller surface charge density can export remarkably higher nanofluidic salinity gradient power (NSGP). The counterintuitive, surface‐charge‐dependent NSGP behavior is demonstrated, caused by the pH‐dependent ion concentration polarization effect, which results in the reduction of the effective...
Nanostructured carbon aerogels with outstanding physicochemical properties have exhibited great application potentials in widespread fields and therefore attracted extensive attentions recently. It is still a challenge so far to develop flexible and economical routes to fabricate high‐performance nanocarbon aerogels, preferably based on renewable resources. Here, ultralight and multifunctional reduced...
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