A5040466916- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Metal-Organic Frameworks: Synthesis and Applications
- Crystallography and molecular interactions
- Electrocatalysts for Energy Conversion
- Covalent Organic Framework Applications
- Advanced battery technologies research
- Advanced Photocatalysis Techniques
- Immunotherapy and Immune Responses
- Electrochemical Analysis and Applications
- Nanoplatforms for cancer theranostics
- Fuel Cells and Related Materials
- Magnetism in coordination complexes
- Perovskite Materials and Applications
- Solid-state spectroscopy and crystallography
- Supramolecular Chemistry and Complexes
- Catalytic Processes in Materials Science
- CO2 Reduction Techniques and Catalysts
- Membrane Separation and Gas Transport
- Organic and Molecular Conductors Research
- Cancer Research and Treatments
- Carbon dioxide utilization in catalysis
- Machine Learning in Materials Science
- Enhanced Oil Recovery Techniques
- RNA Interference and Gene Delivery
Sichuan University
2020-2025
Jiangxi Normal University
2018-2025
Sun Yat-sen University
2014-2023
Northwest A&F University
2019-2022
China Anti-Doping Agency
2009-2020
Fudan University
2020
Weatherford College
2018
Griffith University
2018
Foshan University
2017
Fujian Medical University
2016
Tungsten-based catalysts are promising candidates to generate hydrogen effectively. In this work, a single-W-atom catalyst supported on metal-organic framework (MOF)-derived N-doped carbon (W-SAC) for efficient electrochemical evolution reaction (HER), with high activity and excellent stability is reported. High-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) X-ray absorption fine structure (XAFS) spectroscopy analysis indicate the atomic dispersion of W...
Photocatalytic reduction of CO2 to value-added fuels is a promising route reduce global warming and enhance energy supply. However, poor selectivity low efficiency catalysts are usually the limiting factor their applicability. Herein, photoinduction method was developed achieve formation Cu single atoms on UiO-66-NH2 support (Cu SAs/UiO-66-NH2) that could significantly boost photoreduction liquid fuels. Notably, SAs/UiO-66-NH2 achieved solar-driven conversion methanol ethanol with an...
Postsynthetic ion exchange of [Co2(μ-Cl)2(btta)] (MAF-X27-Cl, H2bbta =1H,5H-benzo(1,2-d:4,5-d′)bistriazole) possessing open metal sites on its pore surface yields a material [Co2(μ-OH)2(bbta)] (MAF-X27-OH) functionalized by both and hydroxide ligands, giving drastically improved electrocatalytic activities for the oxygen evolution reaction (an overpotential 292 mV at 10.0 mA cm–2 in 1.0 M KOH solution). Isotope tracing experiments further confirm that ligands are involved OER process to...
The highly efficient electrochemical hydrogen evolution reaction (HER) provides a promising pathway to resolve energy and environment problems. An electrocatalyst was designed with single Mo atoms (Mo-SAs) supported on N-doped carbon having outstanding HER performance. structure of the catalyst probed by aberration-corrected scanning transmission electron microscopy (AC-STEM) X-ray absorption fine (XAFS) spectroscopy, indicating formation Mo-SAs anchored one nitrogen atom two (Mo1 N1 C2 )....
A general and effective approach was proposed to fabricate a new family of Co-based bimetallic phosphide ultrathin nanosheets for highly-efficient oxygen evolution.
The design of highly stable, selective and efficient electrocatalysts for CO2 reduction reaction is desirable while largely unmet. In this work, a series precisely designed polyoxometalate-metalloporphyrin organic frameworks are developed. Noted that the integration {ε-PMo8VMo4VIO40Zn4} cluster metalloporphyrin endows these greatly advantages in terms electron collecting donating, migration electrocatalytic active component reaction. Thus-obtained catalysts finally present excellent...
The size-controlled synthesis of ultrasmall metal-based catalysts is vital importance for chemical conversion technologies. Here, a cage-confinement pyrolysis strategy presented the tungsten carbide nanoclusters/nanoparticles. An RHO type zeolitic metal azolate framework MAF-6, possessing large nanocages and small apertures, selected to confine source W(CO)6. High temperature gives nanoclusters/nanoparticles with sizes ca. 2 nm, which can serve as an excellent electrocatalyst hydrogen...
The paddle-wheel type cluster Co2(RCOO)4(LT)2 (R = substituent group, LT terminal ligand), possessing unusual metal coordination geometry compared with other cobalt compounds, may display high catalytic activity but is highly unstable especially in water. Here, we show that judicious considerations of the host/guest geometries and modular synthetic strategies, labile dicobalt clusters can be immobilized stabilized a metal-organic framework (MOF) as coordinative guests. Fe(na)4(LT) fragment...
Designing highly active and robust platinum-free catalysts for hydrogen evolution reaction is of vital importance clean energy applications yet challenging. Here we report stable cobalt-substituted ruthenium nanosheets evolution, in which cobalt atoms are isolated lattice as revealed by aberration-corrected high-resolution transmission electron microscopy X-ray absorption fine structure measurement. Impressively, the only need an extremely low overpotential 13 mV to achieve a current density...
Abstract Two‐dimensional (2D) materials and ultrathin nanosheets are advantageous for elevating the catalysis performance elucidating mechanism of heterogeneous catalysts, but they mostly restricted to inorganic or organic based on covalent bonds. We report an electrochemical/chemical exfoliation strategy synthesizing metal–organic 2D coordination A catechol functionalized ligand is used as redox active pillar construct a pillared‐layer framework. When 3D MOF serves electrocatalyst water...
Porous materials combining high hydrophobicity, large surface area, as well and uniform pore size are very useful but rare. The nanoporous zeolitic metal azolate framework, RHO-[Zn(eim)2] (MAF-6, Heim = 2-ethylimidazole), is an attractive candidate thought to be unobtainable/unstable. In this work, the supramolecular isomerism of [Zn(eim)2] thoroughly studied using a rapid solution mixing reaction [Zn(NH3)4](OH)2 Heim, which enables MAF-6 with crystallinity, purity, thermal/chemical...
Ni<sub>2</sub>P@FePO<italic>x</italic> has been synthesized <italic>via</italic> extraction and selective phosphorization of nickel in NiFe-LDH, then conversed to a new heterostructure Ni<sub>2</sub>P@NiFe hydroxide (P-NiFe) during water splitting. P-NiFe can act as an efficient bifunctional electrocatalyst for overall
Reversible chemisorption of CO<sub>2</sub>is realized by introducing monodentate hydroxide onto the pore surface metal–organic frameworks.
Abstract Electronic structure engineering lies at the heart of efficient catalyst design. Most previous studies, however, utilize only one technique to modulate electronic structure, and therefore optimal states are hard be achieved. In this work, we incorporate both Fe dopants Co vacancies into atomically thin CoSe 2 nanobelts for /coxygen evolution catalysis, resulted -D –V exhibits much higher catalytic activity than other defect-activated previously reported FeCo compounds. Deep...
Electrocatalysis of the four-electron oxygen reduction reaction (ORR) provides a promising approach for energy conversion, storage, and monitoring. However, it is always accompanied by hydrogen peroxide (H2O2) on most employed catalysts, which brings down electrocatalytic selectivity. Here, we report single-atom Co–N4 electrocatalyst ORR at an onset potential 0.68 V (vs RHE) in neutral media while with high H2O2 tolerance, outperforming commercial Pt electrocatalysts. Electrochemical kinetic...
Designing low-cost, high-efficiency, platinum-free electrocatalysts for the hydrogen oxidation reaction (HOR) in an alkaline electrolyte is of great importance development anion exchange membrane fuel cells. Herein, we report a novel HOR catalyst, RuNi1, which Ni atomically dispersed on Ru nanocrystals. To note, as-prepared RuNi1 catalyst exhibits excellent catalytic activity and stability media, superior to those Ru–Ni bimetallic nanocrystals, pristine Ru, commercial Pt/C catalysts. Density...
The changeable molecular dynamics of flexible polar cations in the variable confined space between inorganic chains brings about a new type two-step nonlinear optical (NLO) switch with genuine "off-on-off" second harmonic generation (SHG) conversion one NLO-active state and two NLO-inactive states.
The vast majority of the reported hydrogen evolution reaction (HER) electrocatalysts perform poorly under alkaline conditions due to sluggish water dissociation kinetics. Herein, a hybridization catalyst construction concept is presented dramatically enhance HER activities catalysts based on 2D transition metal dichalcogenides (TMDs) (MoS2 and WS2 ). A series ultrathin 2D-hybrids are synthesized via facile controllable growth 3d (Ni, Co, Fe, Mn) hydroxides monolayer 2D-TMD nanosheets....
A new perovskite-like coordination polymer [(CH3)2NH2][Cd(N3)3] is reported which undergoes a reversible ferroelastic phase transition. This transition due to varied modes of motion the [(CH3)2NH2](+) guest accompanied by synergistic deformation [Cd(N3)3](-) framework. The unusual two-staged switchable dielectric relaxation reveals molecular dynamics polar cation guest, are well controlled variable confined space host As material switches from paraelastic phase, remarkable increase...