A5100442424- Catalytic Processes in Materials Science
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Electrocatalysts for Energy Conversion
- Catalysts for Methane Reforming
- Carbon dioxide utilization in catalysis
- Advanced Photocatalysis Techniques
- CO2 Reduction Techniques and Catalysts
- Catalysis and Oxidation Reactions
- Luminescence Properties of Advanced Materials
- Catalytic C–H Functionalization Methods
- Advanced battery technologies research
- Nanomaterials for catalytic reactions
- Perovskite Materials and Applications
- Luminescence and Fluorescent Materials
- Oxidative Organic Chemistry Reactions
- Ammonia Synthesis and Nitrogen Reduction
- Semiconductor materials and devices
- Silicon Nanostructures and Photoluminescence
- Ionic liquids properties and applications
- Advancements in Battery Materials
- Quantum Dots Synthesis And Properties
- Copper-based nanomaterials and applications
- Asymmetric Hydrogenation and Catalysis
- Electrochemical Analysis and Applications
University of Science and Technology of China
2016-2025
Chinese Academy of Sciences
2015-2025
Hefei Institutes of Physical Science
2022-2025
Kwangwoon University
2024
Beijing Normal University
2023-2024
Qingdao University
2017-2024
National Synchrotron Radiation Laboratory
2016-2024
Hefei National Center for Physical Sciences at Nanoscale
2018-2024
Xuzhou Medical College
2018-2024
Second People’s Hospital of Huai’an
2018-2024
Abstract Single-atom catalysts (SACs) exhibit intriguing catalytic performance owing to their maximized atom utilizations and unique electronic structures. However, the reported strategies for synthesizing SACs generally have special requirements either anchored metals or supports. Herein, we report a universal approach of electrochemical deposition that is applicable wide range supports fabrication SACs. The depositions were conducted on both cathode anode, where different redox reactions...
Abstract Rh-based heterogeneous catalysts generally have limited selectivity relative to their homogeneous counterparts in hydroformylation reactions despite of the convenience catalyst separation catalysis. Here, we develop CoO-supported Rh single-atom (Rh/CoO) with remarkable activity and towards propene hydroformylation. By increasing mass loading, isolated atoms switch aggregated clusters different atomicity. During hydroformylation, Rh/CoO achieves optimal 94.4% for butyraldehyde...
Exploring efficient and economical electrocatalysts for hydrogen evolution reaction is of great significance water splitting on an industrial scale. Tungsten oxide, WO3, has been long expected to be a promising non-precious-metal electrocatalyst production. However, the poor intrinsic activity this material hampers its development. Herein, we design highly via introducing oxygen vacancies into WO3 nanosheets. Our first-principles calculations demonstrate that gap states introduced by O make...
Abstract As a 100% atom-economy process, direct oxidation of methane into methanol remains as grand challenge due to the dilemma between activation and over-oxidation methanol. Here, we report that water enabled mild with >99% selectivity over Au single atoms on black phosphorus (Au 1 /BP) nanosheets under light irradiation. The mass activity /BP reached 113.5 μmol g catal −1 in pressured 33 bar mixed gas (CH 4 :O 2 = 10:1) at 90 °C irradiation (1.2 W), while energy was 43.4 kJ mol ....
Abstract Supported metal nanocrystals have exhibited remarkable catalytic performance in hydrogen generation reactions, which is influenced and even determined by their supports. Accordingly, it of fundamental importance to determine the direct relationship between metal–support interactions. Herein, we provide a quantitative profile for exploring interactions considering highest occupied state single‐atom catalysts. The catalyst studied consisted isolated Rh atoms dispersed on surface VO 2...
As the electron transfer to CO2 is a critical step in activation of , it significant importance engineer electronic properties hydrogenation catalysts enhance their activity. Herein, we prepared Pt3 Co nanocrystals with improved catalytic performance towards methanol. octapods, nanocubes, Pt and nanocubes were tested, octapods achieved best Both presence multiple sharp tips charge between enabled accumulation negative charges on atoms vertices octapods. Moreover, infrared reflection...
Electroreduction of CO2 is a sustainable approach to produce syngas with controllable ratios, which are required as specific reactants for the optimization different industrial processes. However, it challenging achieve tunable production wide ratio CO/H2 , while maintaining high current density. Herein, cadmium sulfoselenide (CdSx Se1-x ) alloyed nanorods developed, enable widest range proportions ever reported at density above 10 mA cm-2 in electroreduction. Among CdSx nanorods, CdS...
Abstract As diversified reaction paths exist over practical catalysts towards CO 2 hydrogenation, it is highly desiderated to precisely control the path for developing efficient catalysts. Herein, we report that ensemble of Pt single atoms coordinated with oxygen in MIL-101 (Pt 1 @MIL) induces distinct improve selective hydrogenation into methanol. @MIL achieves turnover frequency number 117 h −1 DMF under 32 bar at 150 °C, which 5.6 times n @MIL. Moreover, selectivity methanol 90.3% @MIL,...
Hollow frame structures are of special interest in the realm catalysis since they hold only ridges and hollow interiors, enabling accessibility active sites to most extent. Herein, we prepared Pd–Pt composed double-shell cubes linked by body diagonals as an efficient catalyst toward oxygen reduction reaction (ORR), inspired 4D analogue a cube, denoted tesseract. The etching process involves selective removal Pd atoms subsequent rearrangement remaining Pt atoms. successful preparation...
Abstract The homogeneity of single-atom catalysts is only to the first-order approximation when all isolated metal centers interact identically with support. Since realistic support various topologies or defects offers diverse coordination environments, realizing real requires precise control over anchoring sites. In this work, we selectively anchor Ir single atoms onto three-fold hollow sites (Ir 1 /T O –CoOOH) and oxygen vacancies /V on defective CoOOH surface investigate how modulate...
The two-dimensional surface or one-dimensional interface of heterogeneous catalysts is essential to determine the adsorption strengths and configurations reaction intermediates for desired activities. Recently, development single-atom has enabled an atomic-level understanding catalytic processes. However, it remains obscure whether conventional concept mechanism are applicable zero-dimensional single atoms. In this work, we arranged locations atoms explore their interfacial interactions...
The conversion of CO2 by renewable power-generated hydrogen is a promising approach to sustainable production long-chain olefins (C4+=) which are currently produced from petroleum resources. decentralized small-scale electrolysis for generation requires the operation hydrogenation in ambient-pressure units match manufacturing scales and flexible on-demand production. Herein, we report Cu-Fe catalyst operated under ambient pressure with comparable C4+= selectivity (66.9%) that...
ConspectusCO2 is not only a greenhouse gas but also pivotal carbon source as promising supplement to fossil fuels. Both the environment and energy crises have compelled researchers explore how efficiently transform CO2 into liquid fuels value-added chemicals. As industrialized approach nowadays, heterogeneous hydrogenation driven by thermal represents potential strategy help mitigate effect reduce reliance on However, prerequisite for hydrogenation, activation difficult due thermodynamic...
To date, the effect of oxidation state on activity remains controversial in whether higher or lower states benefit enhancement catalytic activity. Herein, we discover a volcanic relationship between and hydrogen evolution reaction based Os single-atom catalysts. Firstly, series SACs with ranging from + 0.9 to 2.9 are synthesized via modifying coordination environments, including Os-N3S1, Os-N4, Os-S6, Os-C3, Os-C4S2. A volcano-type relation emerge summit at moderate experimental 1.3...
Abstract The missions in extreme environments such as the moon, Arctic/Antarctic, and plateau require operation of batteries at low temperatures even below freezing point water. Herein, it is reported that compressively stressed Co single atoms exhibit enhanced oxygen reduction reaction (ORR) activity enable effective zinc–air battery a subzero temperature. compressive strain generated by depositing on highly arced carbon layers with ultra‐small curvature radii ≈2 nm. locally redistributes...
Single-atom catalysts exhibit high selectivity in hydrogenation due to their isolated active sites, which ensure uniform adsorption configurations of substrate molecules. Compared with the achievement catalytic selectivity, there is still a long way go exploiting activity single-atom catalysts. Herein, we developed highly and selective by embedding Pt single atoms surface Ni nanocrystals (denoted as Pt1/Ni nanocrystals). During 3-nitrostyrene, TOF numbers based on reached ∼1800 h–1 under 3...
The development of highly efficient oxygen-evolving catalysts compatible with powerful proton-exchange-membrane-based electrolyzers in acid environments is prime importance for sustainable hydrogen production. In this field, understanding the role electronic structure on catalytic activity essential but still lacking. Herein, a family pyrochlore oxides R2 Ir2 O7 (R = rare earth ions) reported as acidic superior-specific activities. More importantly, it found that intrinsic material...
The d-band center and surface negative charge density generally determine the adsorption activation of CO2, thus serving as important descriptors catalytic activity toward CO2 hydrogenation. Herein, we engineered Rh-based catalysts by tuning their dimensions introducing non-noble metals to form an alloy. During hydrogenation into methanol, Rh75W25 nanosheets was 5.9, 4.0, 1.7 times high that Rh nanoparticles, nanosheets, Rh73W27 respectively. Mechanistic studies reveal remarkable is owing...