A5032685046- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Polyoxometalates: Synthesis and Applications
- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- Supercapacitor Materials and Fabrication
- 2D Materials and Applications
- Physics of Superconductivity and Magnetism
- Advanced Condensed Matter Physics
- Advanced battery technologies research
- Metal-Organic Frameworks: Synthesis and Applications
- MXene and MAX Phase Materials
- Advanced Nanomaterials in Catalysis
- Iron-based superconductors research
- Microbial Fuel Cells and Bioremediation
- Graphene research and applications
- Advanced Sensor and Energy Harvesting Materials
- Electrochemical sensors and biosensors
- Rare-earth and actinide compounds
- Nanocluster Synthesis and Applications
- Conducting polymers and applications
- Solar Thermal and Photovoltaic Systems
- Corporate Taxation and Avoidance
- Solar-Powered Water Purification Methods
- Multiferroics and related materials
Harbin Institute of Technology
2016-2025
Chongqing Technology and Business University
2024-2025
Health & Life (Taiwan)
2025
Zhejiang A & F University
2025
Inner Mongolia University of Technology
2021-2023
Harbin University
2014-2021
State Council of the People's Republic of China
2019-2021
Sechenov University
2020
National Institute of Standards and Technology
2005-2019
NIST Center for Neutron Research
2006-2018
The recent discovery of superconductivity in $(\mathrm{Ba},\mathrm{K}){\mathrm{Fe}}_{2}{\mathrm{As}}_{2}$, which crystallizes the ${\mathrm{ThCr}}_{2}{\mathrm{Si}}_{2}$ (122) structure as compared with LnFeAsO (Ln is lanthanide) systems that possess ZrCuSiAs (1111) structure, demonstrates exciting potential FeAs-based materials for high-${T}_{C}$ superconductivity. Here we report neutron diffraction studies show a tetragonal-to-orthorhombic distortion associated onset $\mathbf{q}=(101)$...
The relation between the spin-density wave (SDW) and superconducting order is a central topic in current research on FeAs-based high-TC superconductors. Conflicting results exist LaFeAs(O, F)-class of materials, for which whether SDW superconductivity are mutually exclusive or they can coexist has not been settled. Here we show that (Ba, K)Fe2As2 system, an extended range compositions. availability single crystalline samples high value energy gaps would make materials model system to...
Piezoelectric two-dimensional (2D) van der Waals (vdWs) materials are highly desirable for applications in miniaturized and flexible/wearable devices. However, the reverse-polarization between adjacent layers current 2D layered results decreasing their in-plane piezoelectric coefficients with layer number, which limits practical applications. Here, we report a class of an identical orientation polarization. Their (e22) increase thereby allowing fabrication flexible piezotronic devices large...
Abstract Simultaneously improving electrochemical activity and stability is a long‐term goal for water splitting. Herein, hierarchical N‐doped carbon nanotubes on nanowires derived from PPy are grown cloth, serving as support NiCo oxides/sulfides. The electrodes annealed in N 2 or H /N display improved intrinsic hydrogen evolution reaction (HER) glucose oxidation reaction. Compared with Pt/C||Ir/C alkaline media, the electrolysis assembled exhibits cell voltage of 1.38 V at 10 mA cm −2 ,...
We have shown that various porphyrin-containing nanostructures can be easily synthesized by a surfactant-assisted self-assembly (SAS) method, where an oil/aqueous medium is employed. When chloroform solution of zinc 5,10,15,20-tetra(4-pyridyl)-21H,23H-porphine (ZnTPyP) was added dropwise into cetyltrimethylammonium bromide (CTAB) aqueous solution, diverse ZnTPyP-based nanostructures, including hollow nanospheres, solid nanotubes, nanorods, and nanofibers, were successfully assembled....
Abstract Ni/NiO core–shell nanowires on nickel foam (NF) are successfully synthesized using an “acid‐hungry” strategy. The 3D electrode with large accessible active sites and improved conductivity, possesses optimized ionic electronic transport path during electrochemical processes. High areal capacitance of 1.65 F cm −2 is obtained at ultrahigh current density 100 mA , which 19.88 times higher than pristine NF. direct growth makes the present supercapacitor robust for long‐term cycling...
The transition temperature ${T}_{C}\ensuremath{\approx}26\text{ }\text{ }\mathrm{K}$ of the recently discovered superconductor ${\mathrm{LaFeAsO}}_{1\ensuremath{-}x}{\mathrm{F}}_{x}$ is extremely sensitive to lanthanide ion, reaching 55 K for Sm containing oxypnictides. Therefore, it important determine how moment on affects overall magnetism in these systems. Here we report a neutron diffraction study Nd Long-ranged antiferromagnetic order apparent NdFeAsO below 1.96 K. Rietveld refinement...
2D semiconductors have emerged as a crucial material for use in next‐generation optotelectronics. Similar to microelectronic devices, vertical heterostructures will most likely be the elemental components future nanoscale electronics and To date, of mostly reported van der Waals are restricted layer crystals. In this work, it is demonstrated that nonlayered CdS can epitaxially grown on layered MoS 2 substrate form new quasi heterostructure with clean interface by chemical vapor deposition....
H2 production via electrocatalytic water splitting is greatly hindered by the sluggish oxygen evolution reaction (OER). The urea oxidation (UOR) draws specific attention not only because of its lower theoretical voltage 0.37 V compared with OER (1.23 V), but also for treating sewage water. Herein, Ni/NiO nanosheets an ultrathin N-doped C layer containing a Schottky Ni and NiO heterointerface constructed. Because self-driven charge redistribution at heterointerface, janus domains are...
Highly stretchable and conductive core–sheath nanofibers are significant for flexible wearable microelectronics. Core–sheath fibers were massively fabricated from ultralong chemical vapor deposition (CVD)-grown graphene bundles. They exhibited superior conductivity excellent mechanical properties that exceeded those of the reduced oxide fibers. The intrinsic dynamic fracture procedure mechanism investigated. Furthermore, safe strain sensors based on as-prepared CVD have been demonstrated as...
Considering the unique layered structure and novel optoelectronic properties of individual MoS2 MoSe2, as well quantum coherence or donor-acceptor coupling effects between these two components, rational design artificial growth in-plane mosaic MoS2/MoSe2 lateral heterojunctions film on conventional amorphous SiO2/Si substrate are in high demand. In this article, large-area, uniform, high-quality was successfully grown for first time by chemical vapor deposition (CVD) technique. MoSe2 along...
Inelastic neutron scattering reveals a broad continuum of excitations in ${\mathrm{Pr}}_{2}{\mathrm{Zr}}_{2}{\mathrm{O}}_{7}$, the temperature and magnetic field dependence which indicate continuous distribution quenched transverse fields ($\mathrm{\ensuremath{\Delta}}$) acting on non-Kramers ${\mathrm{Pr}}^{3+}$ crystal ground state doublets. Spin-ice correlations are apparent within 0.2 meV Zeeman energy. A random phase approximation provides an excellent account data with...
Dipeptide-polyoxometalates (POMs)-graphene oxide (GO) ternary hybrid is an excellent peroxidase-like mimic, exhibiting enhanced activity compared to POMs alone. The was readily prepared through a reprecipitation method involving electrostatic encapsulation of H3PW12O40 (PW12) by cationic diphenylalanine (FF) peptide and coassembly FF@PW12 spheres with graphene (GO). Using 3,3′,5,5′-tetramethylbenzidine (TMB) as the chromogenic substrate, evaluated in heterogeneous phase, it 13 times higher...
Recent discovery of piezoelectricity that existed in two-dimensional (2D) layered materials represents a key milestone for flexible electronics and miniaturized wearable devices. However, so far the reported these 2D is too weak to be used any practical applications. In this work, we discovered grain boundaries (GBs) monolayer MoS2 can significantly enhance its piezoelectric property. The output power devices made butterfly-shaped was improved about 50% by GB-induced effect. enhanced...
Schottky core-corona Co/CoP clusters strung on CNT can effectively favour water dissociation, H* adsorption/desorption and glucose formyl C–H activation, thus significantly enhancing H<sub>2</sub> production performance <italic>via</italic> oxidation reaction.
Electrochemical water splitting into hydrogen is a promising strategy for production powered by solar energy. However, the cell voltage of an electrolyzer still too high practical application, which mainly limited sluggish oxygen evolution reaction process. To this end, hybrid electrolyzers have drawn tremendous attention. Herein, coaxial Ni/Ni3S2@N-doped nanofibers are directly grown on nickel foam (NF), highly active reaction. Meanwhile, Ni3S2@N-doped NF prepared in Ar atmosphere display...
Microbial fuel cells (MFCs) are promising ecofriendly techniques for harvesting bioenergy from organic and inorganic matter. Currently, it is challenging to design MFC anodes with favorable microorganism attachment fast extracellular electron transfer (EET) rate high performance. Here we prepared N-doped carbon nanotubes (NCNTs) on felt (CF) used as a support growing hierarchical Co8FeS8-FeCo2O4/NCNTs core-shell nanostructures (FeCo/NCNTs@CF). We observed improved wettability, specific areal...