Low-valence platinum single atoms in sulfur-containing ... - Nature
5 天之前 · A sulfur-rich covalent organic framework with low-valence Pt single atom sites is reported for photocatalytic hydrogen evolution. The material was stable under reaction conditions due to reduced ...
Synergistic effect of asymmetric Ru-Pd dual single-atom-sites and …
1 天前 · Precisely modulating the coordination environment of active centers in single-atom catalysts (SACs) remains a significant challenge. Herein, a Ru-Pd dual single atoms (SAs) (exist as Ru-N 3, Pd-N 1) and Pd nanoparticles (NPs) co-modified carbon nitride (CN) photocatalyst (Ru SAs Pd SAs+NPs-CN) with broken symmetry is creatively constructed based on local planar-like symmetric Ru SAs-CN (Ru-N 4).
Manipulating C-C coupling pathway in electrochemical CO
2024年11月26日 · In this work, via a modified galvanic replacement approach, two model Cu-based catalysts decorated with Ag nanoparticles (AgCu NW) and single Ag atoms (Ag 1 Cu NW) were rationally designed and ...
Single-Atom Cobalt Catalysts Encapsulating Cobalt Nanoparticles …
2024年2月26日 · Cobalt single-atom catalysts (Co-SAs) are rising stars in persulfate chemistry for their well-defined coordination, reduced metal usage, and exceptional activity. However, the simultaneous formation of cobalt nanoparticles (Co-NPs) with Co-SAs raises questions about their complex interplay and synergy in catalysis.
Reactivity of Single-Atom Alloy Nanoparticles: Modeling the ...
2023年6月30日 · NiCu single atom alloy (SAA) nanoparticles supported on SiO2 are reported to catalyze the nonoxidative dehydrogenation of EtOH, selectively to acetaldehyde and H products by facilitating the C-H bond cleavage.
Ensemble effect for single-atom, small cluster and nanoparticle ...
2022年9月20日 · Single-atom, small cluster and nanoparticle catalysts feature intriguing reactivity for a variety of transformations, which is often attributed to the properties of specific atomic species.
Single-atom nanozymes | Science Advances - AAAS
2019年5月3日 · We discovered a new class of single-atom nanozymes with atomically dispersed enzyme-like active sites in nanomaterials, which significantly enhanced catalytic performance, and uncovered the underlying mechanism.
Single-Atom Catalyst Restructuring during Catalytic Reforming of …
2 天之前 · The supported single-atom catalyst has been a significant type of heterogeneous catalyst as it often offers a catalytic performance not achievable by nanoparticle catalysts of a metal or compound such as oxide. It is well acknowledged that knowing the surface structure of a catalyst under catalytic conditions is significant for uncovering the intrinsic correlation between an observed catalytic ...
Bimetallic Single Atom/Nanoparticle Ensemble for Efficient ...
2024年6月11日 · We present a bimetallic design of Ag nanoparticles (NPs) and Pd single atoms (SAs) on ZnO for the cascade photocatalytic CH 4 conversion toward C 2 H 4 with the highest production rate compared with previous works.
Tracking surface charge dynamics on single nanoparticles
2024年8月7日 · Understanding nanoscale surface charge dynamics and its influence on chemical bonding on a single-nanoparticle level unlocks an increased ability to address global needs in renewable energy and advanced health care. Altering charges in catalysts, surfaces, and even at the atomic level has been pivotal in numerous applications across diverse fields.
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