A5030303130- Ferroelectric and Piezoelectric Materials
- Microwave Dielectric Ceramics Synthesis
- Multiferroics and related materials
- Dielectric materials and actuators
- Acoustic Wave Resonator Technologies
- Dielectric properties of ceramics
- Advanced Sensor and Energy Harvesting Materials
- Geological and Geochemical Analysis
- Advanced Photocatalysis Techniques
- High-pressure geophysics and materials
- Perovskite Materials and Applications
- Luminescence Properties of Advanced Materials
- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- 2D Materials and Applications
- Extraction and Separation Processes
- earthquake and tectonic studies
- Mineralogy and Gemology Studies
- Electrocatalysts for Energy Conversion
- Electronic and Structural Properties of Oxides
- Nanoparticles: synthesis and applications
- Glass properties and applications
- Copper-based nanomaterials and applications
- Geological Studies and Exploration
- Geoscience and Mining Technology
Hangzhou Dianzi University
2016-2025
Materials Research Center
2025
University of Chinese Academy of Sciences
2024
Institute of Geology and Geophysics
2024
Hangzhou Xixi hospital
2016-2021
Hangzhou Academy of Agricultural Sciences
2016-2020
Tongji University
2011-2016
Heze University
2011
Chinese Academy of Geological Sciences
2000-2009
Institute of Geology and Geophysics
2002-2006
Using three different sintering methods: spark plasma sintering, two‐step and normal ( Ba 0.85 Ca 0.15 )( Zr 0.1 Ti 0.9 ) O 3 BCZT lead‐free piezoelectric ceramics with grain sizes in the range of 0.4–32.2 μm were prepared. The effects size on electrical properties temperature stability systematically investigated. Results showed that reducing shifted both T c T‐R to higher temperatures, tended enhance relaxor behavior. A strong dependence was observed, ~10 a critical point for fabricating...
Developing advanced luminescent materials and techniques is of significant importance for anti-counterfeiting applications, remains a huge challenge. In this work, new efficient approach achieving dual-mode luminescence with tunable color outputs via Gd3+ -mediated interfacial energy transfer, Ce3+ -assisted cross-relaxation, core-shell nanostructuring strategy reported. The introduction into the inner core not only serves regulation upconversion emission, but also facilitates ultraviolet...
Graphitic carbon nitride (g-C3N4) is a promising photocatalyst for solar H2 generation, but the practical application of g-C3N4 still limited by low separation efficiency photogenerated charge carriers. Herein, we report construction ternary g-C3N4/graphene/MoS2 two-dimensional nanojunction photocatalysts enhanced visible light photocatalytic production from water. As demonstrated photoluminescence and transient photocurrent studies, intimate nanojuction can efficiently accelerate transfer,...
High photoinduced charge-carrier-separation efficiency plays a crucial factor in determining the photocatalytic activities of photocatalysts, and it remains challenging to steer charge separation an accurate manner. Herein, we address this important challenge by growing Co2P cocatalyst onto edges black phosphorus (BP) nanosheets craft Co–P bonds Co2P/BP photocatalyst. As demonstrated photocurrent measurement first-principle calculation, acting faciliate atomic-level charge-flow steering can...
A high-performance lead-free relaxor ferroelectric ceramic capacitor designed by a multiscale optimization strategy for energy storage applications.
Designing superb dielectric capacitors is valuable but challenging since achieving simultaneously large energy-storage (ES) density and high efficiency difficult. Herein, the synergistic effect of grain refining, bandgap widening, domain engineering proposed to boost comprehensive ES properties by incorporating CaTiO3 into 0.92NaNbO3 -0.08BiNi0.67 Ta0.33 O3 matrix (as abbreviated NN-BNT-xCT). Apart from refining multiple local distortions embedded in labyrinthine submicro-domains, as...
The development of high-performance lead-free dielectric ceramic capacitors is essential in the field advanced electronics and electrical power systems. A huge challenge, however, how to simultaneously realize large recoverable energy density (Wrec ), ultrahigh efficiency (η), satisfactory temperature stability effectuate next-generation high/pulsed applications. Here, a strategy utilizing nanoscale polarization heterogeneous regions demonstrated for capacitors, showing comprehensive...
Lead-free BiFeO3-based (BF) materials with colossal spontaneous polarization and high Curie temperatures exhibit considerable potential for groundbreaking developments in dielectric capacitors. However, their inherent limitations, such as restricted breakdown strength (Eb) pronounced remanent polarization, critically restrict advancements energy storage capabilities. Herein, we achieve an exceptional recoverable density of 12.2 J cm−3 impressive efficiency 90.1% via the strategic design a...
The (1− x ) ( Bi 0.5 Na TiO 3 − Ba Al Ta O ((1− BNT ‐ BAT lead‐free piezoceramics was fabricated using a conventional solid‐state reaction method. temperature and composition‐dependent strain behavior, dielectric, ferroelectric (FE), piezoelectric, pyroelectric properties have been systematically investigated to develop piezoelectric materials with large response for actuator application. As the content increased, FE order is disrupted resulting in degradation of remanent polarization,...
The effect of LiNbO3 (LN) addition on the ferroelectric behavior and piezoelectric properties Bi0.5(Na0.80K0.20)0.5TiO3 (BNKT20) lead-free piezoceramics were systematically investigated. Results showed that LN substitution into BNKT20 induced a transition from coexistence tetragonal rhombohedral phases to relaxor pseudocubic phases, which is accompanied by significant disruption order with shift ferroelectric-relaxor temperature TF-R down room temperature. Accordingly, large accompanying...
A novel perovskite La<sub>0.5</sub>Na<sub>0.5</sub>TiO<sub>3</sub>:Eu<sup>3+</sup>red-emitting phosphor and the related phosphor-in-glass (PiG) inorganic color converter for high-power warm w-LEDs were fabricated.
Exploiting an appropriate strategy to prepare fine crystal quality black phosphorus nanosheet (BPNS) catalyst is a major challenge for its practical application in catalysis. Herein, we address this by developing rapid electrochemical expansion scale preparation of BPNSs from bulk phosphorus, which was demonstrated be active cocatalyst photocatalytic nitrogen fixation the presence CdS as photocatalyst. The transient photocurrent and charge density studies show that can efficiently accelerate...
CoS<sub>2</sub>@NGC@NF gives a significant increase of OER catalytic activity due to the injection electrons from NGC CoS<sub>2</sub>, lowering Fermi level NGC, facilitating adsorption and activation O-containing intermediates.
In this study, a lead-free ceramic system comprising (0.94 - x)Bi0.5Na0.5TiO3-0.06BaTiO3-xBi(Zn0.5Ti0.5)O3 (BNT-BT-BZT) was designed and prepared by conventional solid-state reaction method. The effect of the addition BZT on phase transition characteristics associated electromechanical properties BNT-BT systematically discussed schematic diagram established. had strong impact as well strain piezoelectric activity. coexistence, which involves ferroelectric rhombohedral-relaxor pseudocubic...