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Atomically dispersed iron sites on nitrogen‐doped carbon (Fe‐NC) are the most active Pt‐group‐metal‐free catalysts for oxygen reduction reaction (ORR). However, due to oxidative corrosion and the Fenton reaction, Fe‐NC catalysts are insufficiently active and stable. Herein, w e demonstrated that the axial Cl‐modified Fe‐NC (Cl‐Fe‐NC) electrocatalyst is active and stable for the ORR in acidic conditions...
Effects of electronic and atomic structures of V‐doped 2D layered SnS2 are studied using X‐ray spectroscopy for the development of photocatalytic/photovoltaic applications. Extended X‐ray absorption fine structure measurements at V K‐edge reveal the presence of VO and VS bonds which form the intercalation of tetrahedral OVS sites in the van der Waals (vdW) gap of SnS2 layers. X‐ray absorption...
A heterobimetallic corrole complex, comprising oxygen reduction reaction (ORR) active non‐precious metals Co and Fe with a corrole‐N4 center (PhFCC), is successfully synthesized and used to prepare a dual‐atom molecular catalyst (DAMC) through subsequent low‐temperature pyrolysis. This low‐temperature pyrolyzed electrocatalyst exhibited impressive ORR performance, with onset potentials of 0.86 and...
Dual‐Atom Molecular Catalysts
In article number 2103823, Satyanarayana Samireddi, Kuei‐Hsien Chen, Li‐Chyong Chen, and co‐workers present a bimetallic corrole macrocycle‐N4 based dual atom molecular catalyst on carbon nanotube support as a promising cost‐effective nonprecious electrocatalyst for oxygen reduction reaction in hydrogen‐based fuel cell application towards clean energy systems with zero...
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...
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