A5100441817- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- Catalytic Processes in Materials Science
- Advanced battery technologies research
- Ammonia Synthesis and Nitrogen Reduction
- CO2 Reduction Techniques and Catalysts
- Fuel Cells and Related Materials
- Nanomaterials for catalytic reactions
- Nanocluster Synthesis and Applications
- Advanced Battery Materials and Technologies
- Gas Sensing Nanomaterials and Sensors
- Machine Learning in Materials Science
- Catalysis and Hydrodesulfurization Studies
- Electrochemical Analysis and Applications
- Supercapacitor Materials and Fabrication
- Corrosion Behavior and Inhibition
- Quantum Information and Cryptography
- Advanced Thermoelectric Materials and Devices
- Copper-based nanomaterials and applications
- Polyoxometalates: Synthesis and Applications
- MXene and MAX Phase Materials
- Ionic liquids properties and applications
- Microbial Fuel Cells and Bioremediation
- Advancements in Battery Materials
- ZnO doping and properties
University of Shanghai for Science and Technology
2025
University of Science and Technology of China
2015-2024
KU Leuven
2020-2024
Hefei National Center for Physical Sciences at Nanoscale
2008-2024
National Synchrotron Radiation Laboratory
2014-2024
Xinyang Normal University
2024
Collaborative Innovation Center of Chemistry for Energy Materials
2022-2024
The Ohio State University
2024
Karamay Central Hospital of Xinjiang
2024
Southeast University
2024
Abstract Achieving active and stable oxygen evolution reaction (OER) in acid media based on single-atom catalysts is highly promising for cost-effective sustainable energy supply proton electrolyte membrane electrolyzers. Here, we report an atomically dispersed Ru 1 -N 4 site anchored nitrogen-carbon support (Ru-N-C) as efficient durable electrocatalyst acidic OER. The Ru-N-C catalyst delivers exceptionally intrinsic activity, reaching a mass activity high 3571 A g metal −1 turnover...
Abstract Single-atom catalysts offering intriguing activity and selectivity are subject of intense investigation. Understanding the nature single-atom active site its dynamics under working state crucial to improving their catalytic performances. Here, we identify at atomic level a general evolution single atom into near-free electrocatalytic hydrogen condition, via operando synchrotron X-ray absorption spectroscopy. We uncover that Pt tends dynamically release from nitrogen-carbon...
The development of atomically precise dinuclear heterogeneous catalysts is promising to achieve efficient catalytic performance and also helpful the atomic-level understanding on synergy mechanism under reaction conditions. Here, we report a Ni2(dppm)2Cl3 dinuclear-cluster-derived strategy uniform Ni2 site, consisting two Ni1–N4 moieties shared with nitrogen atoms, anchored N-doped carbon. By using operando synchrotron X-ray absorption spectroscopy, identify dynamically structure...
Iridium-based perovskites show promising catalytic activity for oxygen evolution reaction (OER) in acid media, but the iridium mass remains low and active-layer structures have not been identified. Here, we report highly active 1 nm IrOx particles anchored on 9R-BaIrO3 (IrOx/9R-BaIrO3) that are directly synthesized by solution calcination followed strong treatment first time. The developed IrOx/9R-BaIrO3 catalyst delivers a high (168 A gIr-1), about 16 times higher than of benchmark acidic...
Identification of local environmental changes around Pt single atoms by operando X-ray absorption spectroscopy revealed the increase PtRu alloying degree during hydrogen evolution reaction.
Mimicking natural nitrogenase to create highly efficient single-atom catalysts (SACs) for ambient N2 fixation is desired, but still challenging. Herein, S-coordinated Fe SACs on mesoporous TiO2 have been constructed by a lattice-confined strategy. The extended X-ray absorption fine structure and photoelectron spectroscopy spectra demonstrate that atoms are anchored in lattice via the FeS2 O2 coordination configuration. Theoretical calculations reveal sites active centers electrocatalytic...
Abstract In-depth comprehension and modulation of the electronic structure active metal sites is crucial to enhance their intrinsic activity electrocatalytic oxygen evolution reaction (OER) toward anion exchange membrane water electrolyzers (AEMWEs). Here, we elaborate a series amorphous oxide catalysts (FeCrO x , CoCrO NiCrO ) with high performance AEMWEs by high-valent chromium dopant. We discover that positive effect transition from low valence Co site on adsorption energy intermediate...
Different phases and morphologies of molybdate hydrates MMoO4·nH2O (M = Co, Ni, Mn, n 0, 3/4, 1) nano/microcrystals, which include NiMoO4·H2O microflowers, MnMoO4·H2O microparallelogram plates, CoMoO4·3/4H2O microrods, can be selectively synthesized by a hydrothermal process. The pH reaction temperature have crucial influence on the synthesis shape evolution final products. Uniform nanorod bundles produced process with assistance PEG-400. calcination at 500 550 °C, respectively, allows...
Abstract An active and stable photocatalyst to directly split water is desirable for solar‐energy conversion. However, it difficult accomplish overall splitting without sacrificial electron donors. Herein, we demonstrate a strategy via constructing single site simultaneously promote charge separation catalytic activity robust splitting. A Co 1 ‐P 4 confined on g‐C 3 N nanosheets was prepared by facile phosphidation method, identified microscopy X‐ray absorption spectroscopy. This...
Light-carrying orbital angular momentum (OAM) has great potential in enhancing the information channel capacity both classical and quantum optical communications. Long distance communication requires wavelengths of light are situated low-loss windows, but most memories currently being developed for use a repeater work at different wavelengths, so interface to bridge wavelength gap is necessary. So far, such an OAM-carried not been realized yet. Here, we report first experimental realization...
Modulating the electronic structure of cocatalysts is critical for designing active sites toward efficient photocatalytic H2 evolution. Here, we report an modulation in atomically dispersed Pt as highly H2-evolution on graphitic carbon nitride (g-C3N4) nanosheets. Synchrotron radiation X-ray spectroscopic results confirm singly atoms anchored g-C3N4 via forming "Pt1–N4" moiety, where strong interaction with supports leads to redistribution valence electrons vacant 5d orbital. Mechanistic...
Abstract Due to the fact that traditional heavy metal‐based catalysts toward wastewater treatment could cause problem of secondary contamination, it is imperative seek for more eco‐friendly address this tricky issue. Recently, numerous novel heterogeneous catalysts, especially perovskite oxides, have been widely investigated activation peroxymonosulfate (PMS), which significant in removal organic pollutants. Here, we report a oxide (La 0.7 Sr 0.3 )CoO 3‐δ (LSC)‐based 3D ceramic hollow fiber...
Electrochemical reduction of CO to value-added products holds promise for storage energy from renewable sources. Copper can convert into multi-carbon (C2+ ) during electroreduction. However, developing a Cu electrocatalyst with high selectivity and desirable production rates C2+ remains challenging. Herein, highly lattice-disordered Cu3 N abundant twin structures as precursor is examined reduction. Through in situ activation the reaction (CORR) concomitant release nitrogen, obtained metallic...
Abstract A sulfhydryl monomicelles interfacial assembly strategy is presented for the synthesis of fully exposed single‐atom‐layer Pt clusters on 2D mesoporous TiO 2 (SAL‐Pt@mTiO ) nanosheets. This features introduction group in to finely realize controllable co‐assembly process precursors within ordered mesostructures. The resultant SAL‐Pt@mTiO shows uniform SAL (≈1.2 nm) anchored ultrathin nanosheets (≈7 with a high surface area (139 m g −1 ), large pore size (≈25 and dispersion (≈99 %)....
The proposed electrons transfer mechanism for graphene well-wrapped UiO-66-NH<sub>2</sub> octahedrons.
N-doped ZnO/g-C3N4 composites have been successfully prepared via a facile and cost-effective sol-gel method. The nanocomposites were systematically characterized by XRD, FE-SEM, HRTEM, FT-IR, XPS, UV-vis DRS. results indicated that compared with the pure ZnO, absorption edge of binary shifted to lower energy increasing visible-light improving charge separation efficiency, which would enhance its photocatalytic activity. Compared g-C3N4, ZnO composite ZnO/g-C3N4, as-prepared exhibits greatly...
Atomic metal–nitrogen–carbon (M–N–C) materials represent a unique class of single-atom catalysts with intriguing activity and selectivity for electrocatalytic applications. For rational design synthesis the M–N–C catalysts, an atomic-scale correlation its coordination environment catalytic properties is essential. Here, synthetic strategy via "in situ reduction" was proposed to tailor configurations atomically dispersed Cu–N–C catalyst. By using combination synchrotron X-ray spectroscopies,...