A5100636388- Magnetic properties of thin films
- Magnetic and transport properties of perovskites and related materials
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- ZnO doping and properties
- Electrocatalysts for Energy Conversion
- Advanced Memory and Neural Computing
- Advanced battery technologies research
- Catalytic Processes in Materials Science
- Advanced Photocatalysis Techniques
- 2D Materials and Applications
- Quantum and electron transport phenomena
- Thermal Expansion and Ionic Conductivity
- Physics of Superconductivity and Magnetism
- Graphene research and applications
- Multiferroics and related materials
- Rare-earth and actinide compounds
- Fuel Cells and Related Materials
- Shape Memory Alloy Transformations
- Ferroelectric and Negative Capacitance Devices
- MXene and MAX Phase Materials
- Advanced Condensed Matter Physics
- Semiconductor materials and devices
- Mesoporous Materials and Catalysis
- Electronic and Structural Properties of Oxides
University of Science and Technology Beijing
2016-2025
Beijing Tongren Hospital
2025
Capital Medical University
2008-2025
Materials Science & Engineering
2020-2025
Nanjing University of Chinese Medicine
2025
Beihang University
2022-2025
Beijing Advanced Sciences and Innovation Center
2025
Shandong University of Technology
2023-2024
Western University
2024
Northwest A&F University
2024
We demonstrated that the individual graphene oxide sheets can be readily reduced under a mild condition using L-ascorbic acid (L-AA). This simple approach should find practical applications in large scale production of water soluble graphene.
Photoactivated template-based synthesis of fluorescent Ag nanoclusters in the interior microgel particles has been demonstrated. Photoluminescence intensity and emission wavelength varies with time photoactivated synthesis. Optical properties photogenerated strongly depend on acidity medium. The resulting hybrid microgels show stable photoluminescence strong response to external stimuli. Supporting information for this article is available WWW under...
MoS2-based transition-metal chalcogenides are considered as cost-effective, highly active, and stable materials with great potential in the application of electrocatalytic hydrogen production. However, their limited quantity active sites poor conductivity have hampered efficiency Combining calculations experiments, we demonstrate that P dopants could be new basal plane MoS2 help improve intrinsic electronic conductivity, leading to a significantly improved activity for evolution....
Bulk-scale production of individual graphene sheets is still challenging although several methodologies have been developed. We report here a rapid and cost-effective approach to reduction oxide (GO) using hydroxylamine as reductant. demonstrated that the GO with could take place quickly under mild condition, as-produced sheet showed high electrical conductivity, fair crystalline state, admirable aqueous dispersibility without any stabilizing reagents. A mechanism for removal epoxide...
Herein, the authors explicitly reveal dual‐functions of N dopants in molybdenum disulfide (MoS 2 ) catalyst through a combined experimental and first‐principles approach. The achieve an economical, ecofriendly, most efficient MoS ‐based hydrogen evolution reaction (HER) N‐doped nanosheets, exhibiting onset overpotential 35 mV, 121 mV at 100 mA cm −2 Tafel slope 41 dec −1 . are (1) activating HER catalytic activity S‐edge (2) enhancing conductivity basal plane to promote rapid charge...
Low-coordination atoms (LCAs) have been proven to play a critical role in boosting electrocatalysis. However, for enhancing catalytic activity, suitably engineering the LCAs catalysts through rational design remains challenge. Herein, we demonstrated self-supporting NiO/Co3O4 hybrids advanced oxygen evolution reaction (OER) performance. Contributed an abundance of heterointerfaces and increased vacancies at interfaces, numerous were generated NiO/Co3O4. Consequently, heterostructures...
Cobalt pyrite (CoS2) is one of the promising candidate catalysts for electrocatalytic hydrogen evolution because its efficient catalytic activity sites and inherent metallicity. Herein, we report greatly improved CoS2 resulting from Mn doping. First, give theoretical prediction that most excellent dopant to activate with smallest Gibbs free energy (|ΔGH*|) while remaining metallic. Second, provide experimental evidence, Mn-doped nanowires are prepared by a hydrothermal postsulfuration...
Here, N-doped cobalt pyrite (CoS2) electrocatalytic material is developed via utilizing the synergic effect of N dopants and S vacancies. The catalyst displays high activity stability for hydrogen evolution reaction. Density functional theory calculations electrochemical characterizations reveal that CoS2 directly associated with content vacancies, where proper combinations vacancies yield a minimized overpotential close to commercial Pt. What's more, optimized performance has been achieved...
Atomically thin metallic Ni<sub>3</sub>N nanosheets fabricated as the hydrogen evolution cathode exhibit remarkable HER activity close to that of a commercial Pt/C electrode. The Ni atoms accompanied by surrounding N on N–Ni surface demonstrate small Δ<italic>G</italic><sub>H*</sub> 0.065 eV due Ni–N co-effect, and thus act most active sites.
Abstract The development of efficient earth-abundant electrocatalysts for oxygen reduction, evolution, and hydrogen evolution reactions (ORR, OER, HER) is important future energy conversion storage devices, which both rechargeable Zn–air batteries water splitting have raised great expectations. Herein, we report a single-phase bimetallic nickel cobalt sulfide ((Ni,Co)S 2 ) as an electrocatalyst OER ORR. Owing to the synergistic combination Ni Co, (Ni,Co)S exhibits superior electrocatalytic...
Abstract This review selectively describes the recent progress in interactions of proteins (enzymes) and short-chain peptides with graphene oxide (GO). Particularly, advances immobilization mechanisms enzymes on GO, catalytic properties immobilized enzymes, their applications are summarized detail. The interfacings as assembled conjugates, potential discussed briefly. possible ongoing development for assembly conjugates GO a controlled manner is speculated upon.
Electrocatalytic nitrate reduction reaction (NO3–RR) technology provides a promising solution to recover the nutrition from wastewater through catalyzing into value-added NH3. However, selectivity and efficiency of electrocatalysts are frustrated due imbalance *H adsorption (for NO3 hydrogenation) unavoidable adjacent self-coupling on active sites, resulting in competitive hydrogen evolution (HER). Here, we report PdCu single-atom alloy (SAA) catalyst that allows isolated Pd sites produce...
Non-Pt-based catalysts are urgently required to produce abundant hydrogen in electrochemical water splitting, order make the evolution reaction (HER) feasible and energy efficient.
We give a systematic study of the HER catalytic activity transition metal doped NiS<sub>2</sub> by first principles calculations and experiments.
Soft porous crystals (SPCs) with both crystallinity and flexibility have evolved as emerging materials for lots of applications. However, the development purely organic SPCs (SPOCs) advanced functionalities significantly lags behind. Herein, we report construction an emission-tunable SPOC a rationally designed squaraine derivative (named SPOC-SQ). SPOC-SQ is featured core four peripheries electron donor−π–acceptor (D−π–A) characteristics, which facilitates formation crystal framework...
Abstract The sluggish kinetics of oxygen reduction reaction (ORR) at low temperatures and the fast degradation cathode are main obstacles to commercialization solid oxide fuel cells (SOFCs). However, it is still very challenging achieve both high catalytic activity favorable stability for single‐phase materials. Herein, a highly active durable nanocomposite (Ba 0.5 Sr ) 0.75 Pr 0.25 Co 0.575 Fe 0.3 W 0.125 O 3‐δ (BSPCFW) low‐temperature SOFC (≤650 °C) presented, which self‐assembles into two...
We present herein a systematic study of polycrystalline magnetocaloric compound ErFe2Si2. It exhibits transition from the antiferromagnetic to paramagnetic phase around 3.0 K according magnetic and heat capacity measurements. Neutron powder diffraction revealed that ErFe2Si2 possesses superlattice structure with propagation vector (0, 0, 0.5). The can be modeled by transverse spin density wave (cosine-modulated) or spiral type, which cannot distinguished solely neutron (NPD) pattern fitting....
Abstract Magnetic antiskyrmions, the anti‐quasiparticles of magnetic skyrmions, possess alternating Bloch‐ and Néel‐type spin spirals, rendering them promising for advanced spintronics‐based information storage. To date, antiskyrmions are demonstrated in a few bulk materials featuring anisotropic Dzyaloshinskii–Moriya interactions limited number artificial multilayers. Identifying novel film capable hosting isolated is critical memory applications topological spintronics. Herein, formation...
Spirometry findings, such as restrictive spirometry and airflow obstruction, are associated with renal outcomes. Effects of findings preserved ratio impaired (PRISm) its trajectories on outcomes unclear. This study aimed to investigate the impact baseline future chronic kidney disease (CKD) events. UK Biobank cohort included participants CKD who underwent at (2006–2010). Lung function were determined using follow-up (2014–2020). Cox proportional hazards multivariate regression analysis was...
One dimensional spinel CoFe2O4 nanofibers were synthesized via the electrospinning technique. The calcined at different temperatures. All show excellent oxygen evolution reaction (OER) performance. 750 °C have a multi-particle nanochain structure. exhibits catalytic performance for OER in 1 M KOH (pH = 14) producing current density of 10 mA cm-2 an overpotential 0.34 V, and small onset potential 1.32 V versus RHE, better than that commercial Ir/C (20%) catalyst. Furthermore, stability...
Cobalt pyrite (CoS<sub>2</sub>) is considered to be a promising catalyst for the hydrogen evolution reaction (HER) due its intrinsic metallicity and high catalytic activity.