A5101525067- Catalytic Processes in Materials Science
- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- Nanomaterials for catalytic reactions
- Catalysis and Oxidation Reactions
- X-ray Diffraction in Crystallography
- Catalysts for Methane Reforming
- Crystallization and Solubility Studies
- Advanced oxidation water treatment
- Catalysis and Hydrodesulfurization Studies
- Fuel Cells and Related Materials
- Advanced battery technologies research
- Nuclear materials and radiation effects
- Iron oxide chemistry and applications
- TiO2 Photocatalysis and Solar Cells
- Magnetic Properties and Synthesis of Ferrites
- Crystallography and Radiation Phenomena
- Ammonia Synthesis and Nitrogen Reduction
- Copper-based nanomaterials and applications
- Advancements in Battery Materials
- Hydrogen Storage and Materials
- CO2 Reduction Techniques and Catalysts
- Catalysis for Biomass Conversion
- Foot and Ankle Surgery
- Pigment Synthesis and Properties
Dalian Institute of Chemical Physics
2015-2024
Chinese Academy of Sciences
2015-2024
Xi'an Jiaotong University
2016-2024
Huadong Hospital
2022-2024
Guangzhou College of Commerce
2024
Guizhou Electric Power Design and Research Institute
2020-2024
China Power Engineering Consulting Group (China)
2024
Xi'an Honghui Hospital
2009-2024
Harbin Institute of Technology
2011-2023
Dalian National Laboratory for Clean Energy
2014-2023
The Fenton-like process presents one of the most promising strategies to generate reactive oxygen-containing radicals deal with ever-growing environmental pollution. However, developing improved catalysts adequate activity and stability is still a long-term goal for practical application. Herein, we demonstrate single cobalt atoms anchored on porous N-doped graphene dual reaction sites as highly stable efficient catalytic oxidation recalcitrant organics via activation peroxymonosulfate...
Coordinatively unsaturated (CUS) iron sites are highly active in catalytic oxidation reactions; however, maintaining the CUS structure of during heterogeneous reactions is a great challenge. Here, we report strategy to stabilize single-atom by embedding dispersed FeN4 centers graphene matrix. The atomic was revealed for first time combining high-resolution transmission electron microscopy/high-angle annular dark-field scanning microscopy with low-temperature tunneling microscopy. These...
Ultra-small metal clusters have attracted great attention owing to their superior catalytic performance and extensive application in heterogeneous catalysis. However, the synthesis of high-density is very challenging due facile aggregation. Herein, one-step pyrolysis was used synthesize ultra-small single-atom Fe sites embedded graphitic carbon nitride with high density (iron loading up 18.2 wt %), evidenced by high-angle annular dark field-scanning transmission electron microscopy, X-ray...
The classical strong metal–support interaction between TiO 2 and IB metals was demonstrated.
The strong metal–support interaction (SMSI) is of great importance for supported catalysts in heterogeneous catalysis. We report the first example SMSI between Au nanoparticles (NPs) and hydroxyapatite (HAP), a nonoxide. reversible encapsulation NPs by HAP support, electron transfer, changes CO adsorption are identical to classic except that Au/HAP occurred under oxidative condition; opposite condition classical SMSI. not only enhanced sintering resistance upon calcination but also improved...
A gold nanoparticle-based detection strategy for ATP assays. In the absence of ATP, nanoparticles are not stabilized by rigid duplex, thus they readily aggregated salt (solution displaying blue colors); in contrast induces a duplex-to-aptamer structural switching, liberating random coil-like ssDNA. Gold liberated ssDNA, showing high resistance to salt-induced aggregation staying red). Supporting information this article is available on WWW under...
Innovation in transition-metal nitride (TMN) preparation is highly desired for realization of various functionalities. Herein, series graphene-encapsulated TMNs (FexMn6–xCo4–N@C) with well-controlled morphology have been synthesized through topotactic transformation metal–organic frameworks an N2 atmosphere. The as-synthesized FexMn6–xCo4–N@C nanodices were systematically characterized and functionalized as Fenton-like catalysts catalytic bisphenol A (BPA) oxidation by activation...
Abstract Supported Au nanocatalysts have attracted intensive interest because of their unique catalytic properties. Their poor thermal stability, however, presents a major barrier to the practical applications. Here we report an ultrastable nanocatalyst by localizing nanoparticles (NPs) in interfacial regions between TiO 2 and hydroxyapatite. This configuration makes NP surface partially encapsulated due strong metal–support interaction exposed accessible reaction molecules. The helps...
Abstract Supported gold catalysts play a crucial role in the chemical industry; however, their poor on-stream stability because of sintering nanoparticles restricts practical application. The strong metal-support interaction (SMSI), an important concept heterogeneous catalysis, may be applied to construct structure and, hence, improve reactivity and stability. Here we report ultrastable Au nanocatalyst after calcination at 800 °C, which are encapsulated by permeable TiO x thin layer induced...
Electrochemically reducing CO2 to valuable fuels or feedstocks is recognized as a promising strategy simultaneously tackle the crises of fossil fuel shortage and carbon emission. Sn-based catalysts have been widely studied for electrochemical reduction reaction (CO2 RR) make formic acid/formate, which unfortunately still suffer from low activity, selectivity stability. In this work, halogen (F, Cl, Br I) was introduced into Sn catalyst by facile hydrolysis method. The presence confirmed...
Sn-based materials have been demonstrated as promising catalysts for the selective electrochemical CO2 reduction reaction (CO2RR). However, detailed structures of catalytic intermediates and key surface species remain to be identified. In this work, a series single-Sn-atom with well-defined is developed model systems explore their reactivity toward CO2RR. The selectivity activity formic acid on Sn-single-atom sites are shown correlated Sn(IV)-N4 moieties axially coordinated oxygen (O-Sn-N4),...
Single-atom catalysts with a well-defined metal center open unique opportunities for exploring the catalytically active site and reaction mechanism of chemical reactions. However, understanding electronic structural dynamics single-atom catalytic centers under conditions is still limited due to challenge combining operando techniques that are sensitive such sites model systems. Herein, supported by state-of-the-art techniques, we provide an in-depth study dynamic evolution during...
Iron (Fe)-based bimetallic oxides/hydroxides have been widely investigated for promising alkaline electrochemical oxygen evolution reactions (OERs), but it still remains argumentative whether Fe3+ or Fe4+ intermediates are highly active efficient OER. Here, we rationally designed and prepared one Fe, V-based composite nanosheet by employing the OER-inert V element as a promoter to completely avoid argument of real metals using our recently developed one-dimensional conductive nickel...
The selective oxidation of CH4 in the aqueous phase to produce valuable chemicals has attracted considerable attention due its mild reaction conditions and simple process. As most widely studied catalyst for this reaction, Fe-ZSM-5 demonstrates high intrinsic activity selectivity; however, prepared using conventional methods a limited number active Fe sites, resulting low conversion per unit mass catalyst. This study reports facile organic-template-free synthesis strategy that enables...
Metastable state is the most active catalyst that dictates overall catalytic performance and rules of behaviors; however, identification stabilization metastable are still highly challenging due to continuous evolution sites during reaction process. In this work, operando119Sn Mössbauer measurements theoretical simulations were performed track identify single-atom Sn in copper oxide (Sn1-CuO) for selective CO2 electroreduction CO. A maximum CO Faradaic efficiency around 98% at -0.8 V (vs....
Au/γ-Fe2O3 and Au/α-Fe2O3 catalysts with identical size of Au nanoparticles, chemical state species, amount surface OH– group were prepared. The catalyst exhibited exceptionally high activity, regardless the heat treatments. CO-TPR, sequential pulse reaction, in situ Raman spectra demonstrate that much higher activity originated from its redox property at low temperature. Systematic study shows this higher-redox-property-based could be extended to γ-Fe2O3-supported Pt-group metals other...
Ni–Fe dual-metal sites on NiFe-codoped polymeric carbon nitride co-participate in the OER process leading to significantly enhanced electrocatalytic activity.