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The systematical understanding of metal‐dependent activity in electrocatalyzing oxygen reduction reaction (ORR), a vital reaction with sluggish kinetics for zinc‐air batteries, remains quite unclear. An atomic and spatial engineering modulating ORR activity over hollow carbon quasi‐sphere (HCS) confined in a series of single M‐N (M = Cu, Mn, Ni) sites is reported here. Based on the theoretical prediction...
The fabrication of heterostructures has inspired extensive interest in promoting the performance of solar cells or solar fuel production, but it is still challenging for nitrides to prepare structurally ordered heterostructures. Herein, one nickel nitride‐based heterostructure composed of 1D Ni0.2Mo0.8N nanorods and 0D Ni3N nanoparticles (denoted as NiMoN/NiN) is reported to exhibit significantly...
Selective aerobic oxidation of alcohols offers an attractive means to address challenges in the modern chemical industry, but the development of non‐noble metal catalysts with superior efficacy for this reaction remains a grand challenge. Here, this study reports on such a catalyst based on atomically defined undercoordinated copper atoms over nitrogen‐doped carbon support as an efficient, durable,...
Applying organic–inorganic hybrid perovskite quantum dots (PQDs) to photocatalytic nitrogen fixation is hindered long‐term by the inherent instability in water and tedious preparations. Here, to realize PQD‐catalyzed photocatalytic N2 reduction reaction (NRR), water‐resistant PQDs are simply prepared through one‐step electrospray synthesis in microseconds. During the fast electrospray, PQDs of Zn/PbO‐doped...
Single‐atom catalysts (SACs) with specific coordination environment are expected to be efficient electrocatalysts for oxygen reduction reaction (ORR). Herein, NiN4C10 coordination site is constructed through encapsulating Ni2+ into the cavity of ZIF‐8 as a self‐sacrificing precursor and anchoring it on 3D N‐doped carbon frameworks. The NiN4C10 catalyst shows excellent ORR activity and stability,...
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