A5028493558- Advanced Photocatalysis Techniques
- Copper-based nanomaterials and applications
- Quantum Dots Synthesis And Properties
- Perovskite Materials and Applications
- X-ray Diffraction in Crystallography
- ZnO doping and properties
- Crystallization and Solubility Studies
- Gas Sensing Nanomaterials and Sensors
- Minerals Flotation and Separation Techniques
- Advancements in Battery Materials
- MXene and MAX Phase Materials
- Electrocatalysts for Energy Conversion
- 2D Materials and Applications
- Ga2O3 and related materials
- Catalytic Processes in Materials Science
- Chalcogenide Semiconductor Thin Films
- Iron oxide chemistry and applications
- Advanced Battery Technologies Research
- Crystallography and molecular interactions
- Hybrid Renewable Energy Systems
- Extraction and Separation Processes
- Metal Extraction and Bioleaching
- Magnetism in coordination complexes
- Semiconductor materials and devices
- Conducting polymers and applications
Fudan University
2023-2025
Max Planck Institute of Colloids and Interfaces
2025
The University of Queensland
2016-2024
Zhejiang University
2013-2023
Institute of Life Sciences
2023
Queensland University of Technology
2019
Guangxi University
2006-2018
Brisbane School of Theology
2017
State Key Laboratory of Silicon Materials
2014-2015
State Council of the People's Republic of China
2015
Oxygen vacancy (VO ) engineering is an effective method to tune the photoelectrochemical (PEC) performance, but influence of VO on photoelectrodes not well understood. Using hematite as a prototype, we herein report that functions in more complicated way PEC process than previously reported. Through comprehensive analysis key charge transfer and surface reaction steps processes photoanode, clarify can facilitate electrocatalytic while leading severe interfacial recombination at...
Abstract Owing to the sluggish kinetics for water oxidation, severe surface charge recombination is a major energy loss that hinders efficient photoelectrochemical (PEC) splitting. Herein, simple process developed preparing new type of low‐cost iron‐cobalt oxide (FeCoO x ) as an co‐catalyst suppress on bismuth vanadate (BiVO 4 photoanodes. The FeCoO /BiVO photoanode exhibits high photocurrent density 4.82 mA cm −2 at 1.23 V versus reversible hydrogen electrode under AM 1.5 G illumination,...
Atomic co-catalysts offer high potential to improve the photocatalytic performance, of which preparation with earth-abundant elements is challenging. Here, a new molten salt method (MSM) designed prepare atomic Ni co-catalyst on widely studied TiO2 nanoparticles. The liquid environment and space confinement effect leads dispersion ions TiO2, while strong polarizing force provided by promotes formation Ni−O bonds. Interestingly, atoms are found facilitate oxygen vacancies (OV) during MSM...
A new type of boron-doped graphitic carbon nitride (B-g-C3N4) nanosheets was prepared by a benign one-pot thermal polycondensation process. Systematic studies revealed that B-doping amount 1 at% into g-C3N4 (1at%B-g-C3N4) showed the best photocatalytic H2 evolution activity 1880 μmol h-1 g-1 under visible light irradiation (>400 nm), which is more than 12 times pristine bulk. Detailed characterizations high performance could be attributed to combination band structure engineering and...
Abstract Water molecules, which act as both solvent and reactant, play critical roles in photocatalytic reactions for methanol conversion. However, the influence of water on adsorption desorption liquid products, are two essential steps that control performance photocatalysis, has been well under‐explored. Herein, we reveal role heterogeneous processes conversion platinized carbon nitride (Pt/C 3 N 4 ) model photocatalyst. In situ spectroscopy techniques, isotope effects, computational...
ZnFe<sub>2</sub>O<sub>4</sub>/ZnO nanoheterostructures are synthesized by a facile template method. The hydrogen generation rate of without co-catalysts is up to 2.15 mmol h<sup>−1</sup> g<sup>−1</sup> under visible light irradiation (<italic>λ</italic> > 420 nm), which 45 times higher than the best yields ever reported for ZnFe<sub>2</sub>O<sub>4</sub>-based photocatalysts.
Structural evolution of SnS<sub>2</sub> from vertically or parallelly aligned nanosheets to ultra-small nanocrystals on nanocarbon surfaces is demonstrated and the latter exhibit enhanced rate performance cycling stability for both Li-ion Na-ion storage.
Abstract Tuning the bandgap of a semiconductor to achieve strong band‐to‐band visible light absorption is highly desirable but challenging for photocatalysis. This work presents facile molten‐salt‐assisted route prepare red‐colored polymerized carbon nitride (RPCN) nanosheets with remarkable redshifted and narrowed 1.9 eV. Both experimental findings theoretical calculations reveal that alkali heteroatoms are effective tune surface electronic structures nitride, resulting in significantly...
Abstract Oxygen vacancy (V O ) engineering is an effective method to tune the photoelectrochemical (PEC) performance, but influence of V on photoelectrodes not well understood. Using hematite as a prototype, we herein report that functions in more complicated way PEC process than previously reported. Through comprehensive analysis key charge transfer and surface reaction steps processes photoanode, clarify can facilitate electrocatalytic while leading severe interfacial recombination at...
Abstract Lead‐free double perovskite Cs 2 AgBiBr 6 has attracted increasing research interest in addressing the toxicity and stability challenges confronted by lead halide perovskites. While most of studies on this material have been focusing photovoltaic performance potential applications, its long‐term degradation mechanism are well under‐explored. Herein, high‐quality thin‐films developed for lead‐free solar cells with a decent efficiency 1.91%. By exploring ambient these devices, it is...
Abstract Solar hydrogen conversion represents a clean and economic approach to addressing global energy environmental issues, for which efficient photocatalysts are heavily pursued. Lead halide perovskites promising candidates phtocatalysts in solar generation due their attractive properties light absorption, photogenerated charge transportation, utilization. However, photocatalytic applications of lead limited owing poor stability the presence water or other polar solvent environment. This...
Abstract Tantalum nitride (Ta 3 N 5 ) with a suitable bandgap (≈2 eV) is regarded as one of the most promising photocatalysts for efficient solar energy harvesting and conversion. However, Ta suffers from low hydrogen production activity due to carrier mobility fast recombination. Thus, design nanostructures facilitate charge transport improve photocatalytic performance remains challenge. This study reports new type ultrathin nm) nanomesh high specific surface area (284.6 m 2 g −1 excellent...
Abstract Atomic co‐catalysts offer high potential to improve the photocatalytic performance, of which preparation with earth‐abundant elements is challenging. Here, a new molten salt method (MSM) designed prepare atomic Ni co‐catalyst on widely studied TiO 2 nanoparticles. The liquid environment and space confinement effect leads dispersion ions , while strong polarizing force provided by promotes formation Ni−O bonds. Interestingly, atoms are found facilitate oxygen vacancies (OV) during...
ConspectusGreen hydrogen as a clean energy carrier plays critical role in tackling climate change. Solar-driven water splitting is regarded one of the most promising strategies for green production, but solar-to-hydrogen (STH) conversion efficiency still far from industrial requirement. Defect engineering an effective strategy to enhance performance photocatalysts and photoelectrodes. In crystal, defects range micro- macro-levels, such atomic-scale vacancies dopants, distortion along...
Photoelectrochemical (PEC) water splitting has witnessed rapid development because of the potential converting solar energy into renewable fuels. Photoelectrodes and electrolytes are two basic components for a PEC system. Metal‐oxide photoanodes have been most popular electrode candidates their excellent performance, good stability, abundance, cost‐effective features. However, metal‐oxide suffer from serious charge recombination due to intrinsically poor electrochemical properties....
Abstract Lead (Pb) halide perovskites have witnessed highly promising achievements for high-efficiency solar cells, light-emitting diodes (LEDs), and photo/radiation detectors due to their exceptional optoelectronic properties. However, compound stability Pb toxicity are still two main obstacles towards the commercialization of perovskite-based devices. Therefore, it is substantial interest search non-toxic candidates with comparable photophysical characteristics. Metal-halide double...