A5048638809- Advanced Photocatalysis Techniques
- Perovskite Materials and Applications
- Gas Sensing Nanomaterials and Sensors
- Covalent Organic Framework Applications
- Crystal Structures and Properties
- Copper-based nanomaterials and applications
- Catalytic Processes in Materials Science
- Electronic and Structural Properties of Oxides
- Advanced Nanomaterials in Catalysis
- Ga2O3 and related materials
- X-ray Diffraction in Crystallography
- CO2 Reduction Techniques and Catalysts
- Luminescence Properties of Advanced Materials
- Metal-Organic Frameworks: Synthesis and Applications
- Quantum Dots Synthesis And Properties
- MXene and MAX Phase Materials
- TiO2 Photocatalysis and Solar Cells
- Crystallization and Solubility Studies
- 2D Materials and Applications
- ZnO doping and properties
- High-pressure geophysics and materials
- Electrocatalysts for Energy Conversion
- Multiferroics and related materials
- Inorganic Fluorides and Related Compounds
- Solid-state spectroscopy and crystallography
China University of Geosciences (Beijing)
2016-2025
Second Affiliated Hospital of Nanchang University
2025
Nanchang University
2025
Fuzhou University
2023-2024
National Taipei University of Technology
2024
Guilin University of Technology
2020-2024
National Kaohsiung University of Science and Technology
2024
Chinese Academy of Sciences
2001-2024
Nanjing Tech University
2024
Wuhan Institute of Technology
2024
Efficient photo- and piezoelectric-induced molecular oxygen activation are both achieved by macroscopic polarization enhancement on a noncentrosymmetric piezoelectric semiconductor BiOIO3 . The replacement of V5+ ions for I5+ in IO3 polyhedra gives rise to strengthened , which facilitates the charge separation photocatalytic catalytic process, renders largely promoted induced reactive species (ROS) evolution, such as superoxide radicals (. O2- ) hydroxyl OH). This work advances...
We herein demonstrate self-doping of the CO32– anionic group into a wide bandgap semiconductor Bi2O2CO3 realized by one-pot hydrothermal technique. The photoresponsive range self-doped can be extended from UV to visible light and band gap continuously tuned. Density functional theory (DFT) calculation results that foreign ions are doped in caves constructed four adjacent effectively narrow lowering conduction position meanwhile generating impurity level. photocatalytic performance is...
The fabrication of multiple heterojunctions with tunable photocatalytic reactivity in full-range BiOBr-BiOI composites based on microstructure modulation and band structures is demonstrated. are constructed by precipitation at room temperature characterized systematically. Photocatalytic experiments indicate that there two types heterostructures distinct mechanisms, both which can greatly enhance the visible-light performance for decomposition organic pollutants generation photocurrent....
Abstract Piezoelectric‐based catalysis that relies on the charge energy or separation efficiency of carriers has attracted significant attention. The piezo‐potential induced by strain stress can induce a giant electric field, which been demonstrated to be an effective means for shifting transferring electrons and holes. In recent years, intense efforts have made in this subject, research mainly focussed two aspects: i) Alteration surface piezocatalysis; ii) photo‐generated catalytic activity...
A facile and controllable in situ reduction strategy is used to create surface oxygen vacancies (OVs) on Aurivillius-phase Sr2 Bi2 Nb2 TiO12 nanosheets, which were prepared by a mineralizer-assisted soft-chemical method. Introduction of OVs the extends photoresponse cover whole visible region also tremendously promotes separation photoinduced charge carriers. Adsorption activation CO2 molecules catalyst are greatly enhanced. In gas-solid reaction system without co-catalysts or sacrificial...
Abstract Prompt recombination of photogenerated electrons and holes in bulk on the surface photocatalysts harshly impedes photocatalytic efficiency. However, simultaneous manipulation photocharges two locations is challenging. Herein, synchronous promotion separation photoinduced charges for prominent CO 2 photoreduction by coupling macroscopic spontaneous polarization oxygen vacancies (OVs) BiOIO 3 single crystals reported. The oriented growth single‐crystal nanostrips along [001]...
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Abstract Thin layer fabrication and crystal facet engineering favor the prompt charge transfer from bulk to surface of a material spatial separation among different facets, tremendously benefitting photocatalytic activity. However, thickness composition are considered as two entwined characteristics layered materials with well‐defined tunable shapes, which possess great promise achieve simultaneous manipulation separation. Herein, it is demonstrated that one solution for aforementioned issue...
Abstract Utilizing mechanical energy to produce hydrogen is emerging as a promising way generate renewable energy, but challenged by low efficiency and scanty cognition. In this work, graphitic carbon nitride (g‐C 3 N 4 ) with an atomically thin sheet‐like structure applied for prominent piezocatalytic photo‐enhanced H 2 production. It revealed that the anomalous piezoelectricity in g‐C originates from strong in‐plane polarization along ‐axis, contributed superimposed polar tri‐s‐triazine...
Solar-energy-driven CO2 conversion into value-added chemical fuels holds great potential in renewable energy generation. However, the rapid recombination of charge carriers and deficient reactive sites, as two major obstacles, severely hampers photocatalytic reduction activity. Herein, a desirable surface halogenation strategy to address aforementioned concerns over Sillén-related layer-structured photocatalyst Bi2 O2 (OH)(NO3 ) (BON) is demonstrated. The halogen ions that are anchored on Bi...
Abstract Semiconductor photocatalysis acts as a sustainable green technology to convert solar energy for environmental purification and production of renewable energy. However, the current photocatalysts suffer from inefficient photoabsorption, rapid recombination photogenerated electrons holes, inadequate surface reactive sites. Introduction oxygen vacancies (OVs) in has been demonstrated be an efficacious strategy solve these issues improve photocatalytic efficiency. This review...
All-inorganic Pb-free bismuth (Bi) halogen perovskite quantum dots (PQDs) with distinct structural and photoelectric properties provide plenty of room for selective photoreduction CO2. However, the efficient conversion CO2-to-CO high selectivity on Bi-based PQDs driven by solar light remains unachieved, precise reaction path/mechanism promoted surface halogen-associated active sites is still poorly understood. Herein, we screen a series nontoxic stable Cs3Bi2X9 (X = Cl, Br, I) photocatalytic...
Photocatalytic CO 2 reduction attracts substantial interests for the production of chemical fuels via solar energy conversion, but activity, stability, and selectivity products were severely determined by efficiencies light harvesting, charge migration, surface reactions. Structural engineering is a promising tactic to address aforementioned crucial factors boosting photoreduction. Herein, timely comprehensive review focusing on recent advances in photocatalytic conversion based design...
The novel Ce and F codoped Bi2WO6 samples have been successfully obtained by a facile one-step hydrothermal reaction for the first time. They were characterized X-ray diffraction patterns (XRD), scanning electron microscopy (SEM), transmission (TEM), high-resolution TEM (HRTEM), photoelectron spectroscopy (XPS), UV–vis diffuse reflectance spectra (DRS) photoluminescence (PL) spectra. presence of Ce3+, Ce4+, F– dopants in was confirmed XPS. change microstructure optical band gap has also...
Non-centrosymmetric polar Bi<sub>2</sub>O<sub>2</sub>(OH)(NO<sub>3</sub>) with a rational band structure and {001} active exposing facets is developed as robust layered photocatalyst for photooxidative diverse industrial contaminants pharmaceuticals.
We disclose the fabrication of a mediator-free direct Z-scheme photocatalyst system BiVO4/g-C3N4 using mixed-calcination method based on more reliable interfacial interaction. The facet coupling occurred between g-C3N4 (002) and BiVO4 (121), it was revealed by X-ray diffraction (XRD), photoelectron spectroscopy (XPS) transmission electron microscope (TEM). crystal structure optical properties as-prepared samples have also been characterized Fourier-transform infrared (FTIR), scanning...
Through the combination of Bi3+ and a large negative charge ion (BO3)3–, two novel Bi-based borate photocatalysts Bi4B2O9 Bi2O2[BO2(OH)] with layered structure have been successfully developed. For first time, borates were investigated as photocatalysts. They synthesized by solid-state reaction hydrothermal method, respectively, further characterized XRD, SEM, TEM, HRTEM, DRS. possess direct indirect transition optical band gaps 3.02 2.85 eV, respectively. Density functional calculations...
Precursor hydrothermal pre-treatment protocol was used to yield porous and thin g-C<sub>3</sub>N<sub>4</sub> nanosheets for enhanced photocatalytic H<sub>2</sub> evolution NO removal.
Structure matters: Owing to the structure and arrangement of [Be3B3O12F]10− group (see picture, left, Be blue, B olive, F green, O red), mixed-cation fluorine beryllium borate NaSr3Be3B3O9F4 (right) exhibits a large second harmonic generation effect short UV absorption edge. Its crystals show no layering tendency, making it promising for applications in deep-UV nonlinear optics. Detailed facts importance specialist readers are published as "Supporting Information". Such documents...
Abstract Graphitic carbon nitride (g‐C 3 N 4 ) have attracted great attention in the field of energy conversion and storage due to its unique layered structure, tunable bandgap, metal‐free characteristic, high physicochemical stability, easy accessibility. 2D g‐C nanosheets features short charge/mass transfer path, abundant reactive sites functionalization, which are beneficial optimizing their performance different fields. However, reviews comprehensive applications for rare. Herein, this...