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Synergistic high-entropy phosphides with phosphorus vacancies as robust bifunctional catalysts for efficient water splitting.
J Colloid Interface Sci
January 2025
State Key Laboratory of Chem/Bio-Sensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082 PR China. Electronic address:
High-entropy phosphides (HEPs) have garnered increasing interest as innovative electrocatalysts for water splitting, highlighted by their distinctive catalytic activity, elemental synergy, and tunable electronic configuration. Herein, a novel electrode comprising CoNiCuZnFeP nanocubes with rich phosphorus vacancies was fabricated through coprecipitation and phosphorization two-step method. The synergistic interaction among metal elements and the modulation of the electronic configuration by phosphorus vacancies augmentation enhance the catalytic performance for both the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER).
View Article and Find Full Text PDFAdjusting the ratio of oxidation states in a CuO@Cu2O for the optimization of electrocatalytic CO2 conversion to ethylene.
ChemSusChem
January 2025
Dalian University of Technology, State Key Laboratory of Fine Chemicals, 2 Ligong Rd., 116024, Dalian, CHINA.
Understanding the impact of surface copper valence states on the distribution of electrochemical carbon dioxide products is critical. Herein, CuO@Cu2O with a Cu2+/Cu+ interface was fabricated using wet chemical etching approach. The hollow shape offered a large region for gas adsorption, while the interfacial mixed chemical state of Cu2+/Cu+ with tunable control ratio raised the local density of CHO* and accelerated the carbon-carbon coupling reaction.
View Article and Find Full Text PDFLocally repulsive coupling-induced tunable oscillations.
Chaos
January 2025
School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China.
The precise amplitude and period of neuronal oscillations are crucial for the functioning of neuronal networks. We propose a chain model featuring a repulsive coupling at the first node, followed by attractive couplings at subsequent nodes. This model allows for the simultaneous regulation of both quantities.
View Article and Find Full Text PDFNanoscale Structure and Interfacial Electrochemical Reactivity of Moiré-Engineered Atomic Layers.
Acc Chem Res
January 2025
Department of Chemistry, University of California, Berkeley, California 94720, United States.
ConspectusThe electronic properties of atomically thin van der Waals (vdW) materials can be precisely manipulated by vertically stacking them with a controlled offset (for example, a rotational offset─i.e., twist─between the layers, or a small difference in lattice constant) to generate moiré superlattices.
View Article and Find Full Text PDFDoping Tunable CDW Phase Transition in Bulk 1T-ZrSe.
Nano Lett
January 2025
Department of Quantum Matter Physics, University of Geneva, 24, Quai Ernest-Ansermet, 1211 Geneva 4, Switzerland.
Tunable electronic properties in transition metal dichalcogenides (TMDs) are essential to further their use in device applications. Here, we present a comprehensive scanning tunneling microscopy and spectroscopy study of a doping-induced charge density wave (CDW) in semiconducting bulk 1T-ZrSe. We find that atomic impurities that locally shift the Fermi level () into the conduction band trigger a CDW reconstruction concomitantly to the opening of a gap at .
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