A5068260708- Advancements in Battery Materials
- Advanced Photocatalysis Techniques
- Advanced Battery Materials and Technologies
- Luminescence Properties of Advanced Materials
- Catalytic Processes in Materials Science
- Supercapacitor Materials and Fabrication
- Electrocatalysts for Energy Conversion
- Perovskite Materials and Applications
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Gas Sensing Nanomaterials and Sensors
- Magnetic and transport properties of perovskites and related materials
- Copper-based nanomaterials and applications
- Advanced battery technologies research
- Catalysis and Oxidation Reactions
- Quantum Dots Synthesis And Properties
- ZnO doping and properties
- Ferroelectric and Piezoelectric Materials
- Electronic and Structural Properties of Oxides
- Advancements in Solid Oxide Fuel Cells
- TiO2 Photocatalysis and Solar Cells
- Advanced Battery Technologies Research
- Nuclear materials and radiation effects
- Advanced Condensed Matter Physics
- Multiferroics and related materials
Jilin University
2016-2025
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
2016-2025
Jilin Medical University
1998-2025
Shantou University
2025
Shantou University Medical College
2025
Shanghai Tenth People's Hospital
2022-2024
Tongji University
2022-2024
South China Agricultural University
2022-2024
Shanghai Municipal Center For Disease Control Prevention
2024
Bielefeld University
2024
High purity, spherical anatase nanocrystals were prepared by a modified sol-gel method. Mixing of anhydrous TiCl(4) with ethanol at about 0 degrees C yielded yellowish sol that was transformed into phase-pure 7.7 nm in size after baking 87 for 3 days. This synthesis route eliminates the presence fine seeds nanoscale brookite phase frequently occurs low-temperature formation reactions and also significantly retards transformation to rutile high temperatures. Heating as-is 2 h temperatures up...
Li-rich layered oxides have attracted much attention for their potential application as cathode materials in lithium ion batteries, but still suffer from inferior cycling stability and fast voltage decay during cycling. How to eliminate the detrimental spinel growth is highly challenging this regard. Herein, situ K+-doped Li1.20Mn0.54Co0.13Ni0.13O2 was successfully prepared using a potassium containing α-MnO2 starting material. A systematic investigation demonstrates first time, that doping...
Scheelite nanostructures Ca1−2x(Eu,Na)2xWO4 (0 < x ≤ 0.135) were prepared from 5 nm Ca0.968(Eu,Na)0.032WO4 by hydrothermal treatment. The preparation of at room temperature and subsequent treatment allow control over chemical compositions particle size CaWO4-based red phosphors that has not yet possible when using traditional methods. By careful structural electronic characterization, it is shown simultaneous substitutions Eu3+ Na+ Ca2+ sites this methodology, which allows one to vary the...
The brookite phase of TiO(2) is hardly prepared and rarely studied in comparison with the common anatase rutile phases. In addition, there exist immense controversies over cognition light-induced liveliness this material. Here, a novel, low-basicity solution chemistry method was first used to prepare homogeneous high-quality single-crystalline nanosheets surrounded four {210}, two {101}, {201} facets. These exhibited outstanding activity toward catalytic degradation organic contaminants...
Multicomponent spinel metal-oxide assembled mesoporous microspheres, promising anode materials for Li-ion batteries with superior electrochemical performance, are usually obtained using different kinds of precursors followed by high-temperature post-treatments. Nevertheless, calcinations often cause primary particles to aggregate and coarsen, which may damage the microsphere architectures, leading deterioration performance. In this work, binary microspheres MnCo2O4 were fabricated one-step...
S leaching induces rapid self-reconstruction and the ready formation of Ni 4+ in an Fe–NiSOH electrode, supporting high-efficiency stable alkaline large-current-density water/seawater oxidation.
Abstract Surface lattice oxygen in transition‐metal oxides plays a vital role catalytic processes. Mastering activation of surface and identifying the mechanism are crucial for development design advanced catalysts. A strategy is now developed to create spinel Co 3 O 4 /perovskite La 0.3 Sr 0.7 CoO interface by situ reconstruction enrichment region perovskite LSC activate oxygen. XAS XPS confirm that regulated chemical optimizes hybridized orbital between 3d 2p triggers more electrons site...
Catalysts are urgently needed to remove the residual CO in hydrogen feeds through selective oxidation for large-scale applications of proton exchange membrane fuel cells. We herein propose a new methodology that anchors high concentration oxygen vacancies at interface by designing CeO2–x/Cu hybrid catalyst with enhanced preferential activity. This catalyst, more than 6.1% fixed favorable interfacial sites, displays nearly 100% conversion efficiency H2-rich streams over broad temperature...
Nickel-rich layered metal oxide materials are prospective cathode for lithium ion batteries due to the relatively higher capacity and lower cost than LiCoO2. Nevertheless, disordered arrangement of Li+/Ni2+ in local regions these its impact on electrochemistry performance not well understood, especially LiNi1–x–yCoxMnyO2 (1–x–y > 0.5) cathodes, which challenge one's ability finding more superior advanced lithium-ion batteries. In this work, Ni–Co–Mn-based spherical precursors were first...
Abstract Designing efficient and durable electrocatalysts for seawater splitting to avoid undesired chlorine evolution reaction resist the corrosive is crucial electrolysis technology. Herein, a functional bimetal (Co Fe) designed specifically modify nickel phosphide (denoted as CoFe‐Ni 2 P) boosting splitting, where Fe atom improves conductivity of Ni P improving electron transfer, Co accelerates self‐reconstruction process favorably generate co‐incorporated NiOOH (CoFe‐NiOOH) species on...
Unraveling the role of surface oxygen sites in transition metal oxides during catalytic reactions has always been focus environmental and energy chemistry research. Herein, active cubic perovskite cobalt oxide were engineered to comprehend their crucial mechanism at molecular level. By removing those inert Sr/La–O termination layers, exposed on Co terminated Sr0.6La0.4CoO3−δ that furnished dominant process CO oxidation via Mars–van Krevelen (MvK) mechanism. The fabrication five-coordinate...
A series of Zn1−xMgxO samples with dopant content ranging from x = 0 to 0.10 were prepared by a novel rheological phase reaction route. All investigated X-ray diffraction, transmission electron microscopy, scanning inductive coupled plasma optical emission spectroscopy, infrared and UV−vis absorption the Barrett−Emmett−-Teller technique. The effects Mg2+ doping in ZnO on electronic structures photogradation methylene blue dye solution experimentally theoretically. exhibit high...
High-quality brookite flowers were fabricated via a facile solution chemistry technique. The synthetic conditions to the flower-like monitored by series of time-resolved experiments and further optimized adjusting concentrations Na+ OH− species involved in reaction system. Careful sample characterizations combined techniques X-ray diffraction, Raman, high resolution transmission electron microscopy, photoelectron spectroscopy, paramagnetic resonance spectra indicate formation highly...
Lattice variations and bonding characteristics in rutile TiO2 nanocrystals were examined by x-ray diffraction photoelectron spectroscopy. With a reduction the physical dimensions, show linear lattice expansion an anomalous covalency enhancement apparent contradiction to ionicity increase BaTiO3 CuO as reported recently S. Tsunekawa et al. [Phys. Rev. Lett. 2000, 85, 3440] V. R. Palkar B 1996, 53, 2167]. A surface defect dipole model is proposed explain these phenomena terms of strong...
Li‐rich layered materials are considered to be the promising low‐cost cathodes for lithium‐ion batteries but they suffer from poor rate capability despite of efforts toward surface coating or foreign dopings. Here, spinel‐layered Li‐Mn‐Co‐O microspheres reported as a new high‐rate cathode material Li‐ion batteries. The synthetic procedure is relatively simple, involving formation uniform carbonate precursor under solvothermal conditions and its subsequent transformation an assembled...
In this paper, we develop a fluorination methodology and optimize various synthesis conditions. We also demonstrate that photocatalytic redox activity is affected by the synergistic effect between surface phase structure.
Near infrared (NIR)-light emitting fluorescent probes have attracted extensive research attention in the bioimaging field due to their deep tissue penetration, minimal auto-fluorescence and lower emission light damage bio-tissues. Herein, we designed prepared NIR-light CDs (R-CDs) from spinach by a one-step solvothermal method. The R-CDs exhibited good water solubility, maximum fluorescence peak at 680 nm, high quantum yield of 15.34%, remarkable photo-stability resistance metal ions...
A visible-light-driven photocatalyst of brookite TiO<sub>2</sub> coupled with g-C<sub>3</sub>N<sub>4</sub> exhibited high efficiency for As<sup>3+</sup> oxidation, MO degradation, and hydrogen evolution.
Interfacial interactions are often found in human medical devices, hybrid solar cells, and catalysis. However, there is a lack of control these when tailoring the materials properties for many technological applications. As case study, we reported on synthesis Ag–CeO2 core–shell nanospheres with aim strengthening interfacial to give enhanced catalytic performance. All were synthesized by surfactant-free method subsequent annealing redox reaction. Systematic sample characterizations indicate...
Manipulating the distribution of rare-earth activators in multiple cation lattices can achieve versatile color output for single-phased phosphor-converted white light-emitting diodes (LEDs). However, successful cases are barely reported, owing to uncertain and special combination three primary colors LEDs. Herein, we took whitlockite β-Ca3(PO4)2 as a lattice host manipulate redistribution Eu2+ activators, surprising Mg2+-guided among different Ca sites is reported first time regulate...
Spinel Co3O4, consisting of two mixed valence states, Co2+ and Co3+, has attracted enormous interest as a promising electrocatalyst for oxygen evolution reaction (OER). Proper control on the relative proportion Co2+/Co3+ in cobalt oxide can greatly tune electronic structure further optimize its catalytic performance. Herein, hybrid coupling Co3O4 with black phosphorus (Co3O4@BP) is designed an efficient catalyst OER. Electron migration from BP to achieved Co3O4@BP, owing higher Fermi level...