A5045372639- Catalytic Processes in Materials Science
- Catalysis and Oxidation Reactions
- Catalysts for Methane Reforming
- Catalysis and Hydrodesulfurization Studies
- Advanced Photocatalysis Techniques
- Catalysis for Biomass Conversion
- Ammonia Synthesis and Nitrogen Reduction
- Electrocatalysts for Energy Conversion
- Nanomaterials for catalytic reactions
- Advancements in Battery Materials
- Supercapacitor Materials and Fabrication
- Mesoporous Materials and Catalysis
- Hydrogen Storage and Materials
- Advanced battery technologies research
- CO2 Reduction Techniques and Catalysts
- Zeolite Catalysis and Synthesis
- TiO2 Photocatalysis and Solar Cells
- Copper-based nanomaterials and applications
- Metal-Organic Frameworks: Synthesis and Applications
- Advanced Battery Materials and Technologies
- Carbon Nanotubes in Composites
- Graphene research and applications
- Transition Metal Oxide Nanomaterials
- Fuel Cells and Related Materials
- Conducting polymers and applications
Collaborative Innovation Center of Chemistry for Energy Materials
2016-2025
Xiamen University
2016-2025
Chongqing University
2023
First Affiliated Hospital of Fujian Medical University
2022
Fujian Medical University
2022
Zhejiang University of Technology
2017-2019
Xiamen University of Technology
2015
Green Chemistry
2015
Taipei Medical University-Shuang Ho Hospital
2015
Nanyang Technological University
2013
Spontaneous migration of atomic hydrogen species from metal particles to the surface their support, known as spillover, has been claimed play a major role in catalytic processes involving hydrogen. While this phenomenon is well established on reducible oxide supports, its realization much more commonly used non-reducible oxides still challenged. Here we present general strategy enable effective spillover over SiO2 with aid gaseous organic molecules containing carbonyl group. By using...
We have developed a facile yet scalable polymer-assisted chemical solution route to prepare three-dimensional (3D) hierarchical porous network-like NiCo2O4 framework for advanced electrochemical capacitors (ECs). The unique interconnected is constructed by nanosized spinel building blocks of 20–30 nm size, thus, 3D continuous electron transport expressway, convenient electrolyte penetration–diffusion and large electrode–electrolyte interface are obtained simultaneously. combination these...
An efficient template-engaged synthetic strategy, where silica spheres were applied as hard templates, was developed to synthesize hierarchical mesoporous hollow NiCo2O4 sub-microspheres assembled entirely from ultrathin nanosheets with a thickness of few nanometers. The as-prepared are very uniform in size, textual property, and structurally robust benefiting the situ template removal. morphologies sub-microspherical architecture can be tuned easily by varying concentrations Ni2+, Co2+,...
Direct oxidation of methane to value-added C1 chemicals (e.g. HCHO and CO) provides a promising way utilize natural gas sources under relatively mild conditions. Such conversions remain, however, key selectivity challenge, resulting from the facile formation undesired fully-oxidized CO2. Here we show that B2O3-based catalysts are selective in direct conversion CO (~94% with HCHO/CO ratio ~1 at 6% conversion) highly stable (over 100 hour time-on-stream operation) conducted fixed-bed reactor...
Hexagonal boron nitride (h-BN) catalyst has recently been reported to be highly selective in oxidative dehydrogenation of propane (ODHP) for olefin production. In addition propene, ethylene also forms with much higher overall selectivities C2-products than C1-products. this work, we report that the reaction pathways over h-BN are different from V-based catalysts ODHP. Oxidative coupling methyl, an intermediate cleavage C─C bond propane, contributes high C2-products, leading more C1-products...
The promotional effects of a cesium promoter on higher alcohol (C2+OH) synthesis from syngas over Cs2O-Cu/ZnO/Al2O3 catalysts were investigated using combined experimental and density functional theory (DFT) calculation method. In the presence promoter, C2+OH productivity increases 77.1 to 157.3 g kgcat–1 h–1 at 583 K due enhancement initial C–C bond formation. A detailed analysis chain growth probabilities (CGPs) confirms that formation is rate-determining step in temperature range 543–583...
Photocatalytic conversion of CO2 to fuels is a sustainable approach obtain clean energy from using solar energy. This work focuses on multipronged for efficient photoreduction by designing CdS/ZnO heterojunction photocatalyst. It found that the combination CdS and ZnO leads about 11 times higher activity (383 K) reduction than over under irradiation visible light. ascribed well-matched structural intrinsic properties heterojunction, in which generation electrons holes CdS-captured photons,...
Sustainable conversion of CO2 and H2O to fuels using solar energy is highly attractive for clean fuel production. This work focuses on the one-pot synthesis bifunctional Cu0/Cu2O catalysts photothermal H2O. The experimental results show that with a interface controllable ratio Cu0 Cu2O can be readily synthesized by tuning Cu precursor reductant (N2H4). activity prepared in catalytic greatly influenced reaction temperature. Cu0/Cu2O-R2, catalyst N2H4 1:2, exhibited highest activity, i.e.,...
The development of highly efficient catalysts for room-temperature formaldehyde (HCHO) oxidation is great interest indoor air purification. In this work, it was found that the single-atom Pt1/CeO2 catalyst exhibits a remarkable activity with complete removal HCHO even at 288 K. Combining density functional theory calculations and in situ DRIFTS experiments, revealed active OlatticeH site generated on CeO2 vicinity Pt2+ via steam treatment plays key role to formate its further CO2. Such...
Hierarchical structures of porous Cu/Zn@C materials <italic>via</italic> pyrolysis Zn–Cu-BTC metal–organic frameworks give stable activity in the reverse water gas shift reaction, thanks to stabilization nanoparticles by carbon encapsulation.
Magnesium oxide was impregnated into biochar (BC) through a simple procedure of one-step pyrolysis, and hybrid adsorbent MgO-BC obtained for highly efficient defluoridation from water. The nanoporous BC as the carrier enhanced fluoride adsorption by loaded MgO. is pH-dependent approaches equilibrium within 400 min. exhibits great sorption preference target in presence high levels competing anions (chloride, nitrate, sulfate, carbonate). maximum capacity onto predicted to be 83.05 mg/g, which...
PdZnβ alloy catalysts have Cu-like properties for a wide range of industrially important reactions, such as methanol synthesis, water–gas shift, and steam reforming, but overcome the major disadvantages inherited by Cu sintering pyrophoric nature. However, high Pd loadings (e.g., >5.0 wt %) are typically required synthesis alloy, preventing its practical consideration replacement catalysts. Here, we report ZnAl2O4-supported at extremely low 1000 ppm Pd). In particular, cuboctahedral ZnAl2O4...
The photocatalytic conversion of CO2 into solar fuels or chemicals is a sustainable approach to relieve the immediate problems related global warming and energy crisis. This study concerns effects morphological control on Cu/Cu2 O-based photocatalyst for reduction. as-synthesized spherical O exhibits higher activity than octahedral one under visible light irradiation. difference in performance between these two catalysts could be attributed following factors: (1) multifaceted structure...
Metal single-atom catalysts (SACs) have attracted extensive interest because of their maximum atom efficiency and potentially good performances. However, the understanding catalytic behavior stability SACs in high-temperature reactions remains a major challenge, especially under reducing conditions. In this work, we investigated nature Rh/CeO2 with different Rh loadings (0.2–4 wt % Rh) during syngas conversion (260 °C, 2 MPa). Using CO-DRIFTS, found that atomically dispersed was on an...
Boron-based nonmetallic materials (such as B2O3 and BN) emerge promising catalysts for selective oxidation of light alkanes by O2 to form value-added products, resulting from their unique advantage in suppressing CO2 formation. However, the site requirements reaction mechanism these boron-based are still vigorous debate, especially methane (the most stable abundant alkane). Here, we show that hexagonal BN (h-BN) exhibits high selectivities formaldehyde CO catalyzing aerobic methane, similar...
Abstract The direct oxidation of methane to methanol (MTM) remains a significant challenge in heterogeneous catalysis due the high dissociation energy C-H bond and desorption methanol. In this work, we demonstrate breakthrough selective MTM by achieving space-time yield 2678 mmol molCu−1 h−1 with 93% selectivity continuous methane-steam reaction at 400 °C. superior performance is attributed confinement effect 6-membered ring (6MR) voids SSZ-13 zeolite, which host isolated Cu-OH single sites....
Abstract Identification of active sites in catalytic materials is important and helps establish approaches to the precise design catalysts for achieving high reactivity. Generally, conventional heterogeneous can be single atom, nanoparticle or a metal/oxide interface. Herein, we report that reverse interfaces also which are created from coordinated migration metal oxide atoms. As an example, Pd 1 /CeO 2 single-atom catalyst prepared via atom trapping, otherwise inactive at 30 °C, able...
The lifetime (200 h) of a Cu/SiO(2) catalyst under DMO-ethanol feedstock is 20 times longer than that (10 the DMO-methanol without any modification catalyst. stabilization effect ethanol on active centers can effectively slow down agglomeration copper particles during hydrogenation process.
WO3–reduced graphene oxide (WO3–RGO) heterojunction electrodes were prepared for photoelectrochemical (PEC) overall water splitting. The WO3 photoanode incorporated with RGO showed significantly enhanced PEC properties and, hence, photocatalytic splitting, compared to the bare at a bias larger than 0.7 V vs. Ag/AgCl, while decrease in of WO3–RGO electrode was observed smaller Ag/AgCl. could play favorable role enhancing electron–hole separation due presence interface states according Bardeen...
Photocatalytic CO2 reduction into renewable hydrocarbon solar fuels is considered as a promising strategy to simultaneously address global energy and environmental issues. This study focused on the direct coupling of photocatalytic water splitting thermocatalytic hydrogenation in conversion -H2 O fuels. Specifically, it was found that thermo- photocatalysis over Au-Ru/TiO2 leads activity 15 times higher (T=358 K; ca. 99 % CH4 selectivity) than splitting. ascribed promoting effect by hydrogen...