A5035264471- Advanced Photocatalysis Techniques
- Electrocatalysts for Energy Conversion
- Copper-based nanomaterials and applications
- Ionic liquids properties and applications
- CO2 Reduction Techniques and Catalysts
- Quantum Dots Synthesis And Properties
- Advanced battery technologies research
- Electronic and Structural Properties of Oxides
- ZnO doping and properties
- Catalytic Processes in Materials Science
- Supercapacitor Materials and Fabrication
- Semiconductor materials and devices
- Gas Sensing Nanomaterials and Sensors
- Chalcogenide Semiconductor Thin Films
- Nanowire Synthesis and Applications
- 2D Materials and Applications
- Iron oxide chemistry and applications
- Ga2O3 and related materials
- Solid State Laser Technologies
- Graphene research and applications
- Perovskite Materials and Applications
- Electrochemical Analysis and Applications
- Aerogels and thermal insulation
- Anodic Oxide Films and Nanostructures
- Advanced Mathematical Theories and Applications
Sun Yat-sen University
2020-2025
University of Siegen
2022-2025
Hasselt University
2025
Changchun University of Science and Technology
2010-2024
City University College of Science and Technology
2023
Yingkou Institute of Technology
2021
University of British Columbia
2020
Vancouver Biotech (Canada)
2020
Hohai University
2012-2020
State Key Laboratory of New Ceramics and Fine Processing
2016-2018
Electrocatalytic oxygen evolution reaction (OER) is a core responsible for converting renewable electricity into storable fuels; yet, it kinetically challenging, because of the complex proton-coupled multielectron transfer process. Transition-metal-based electrocatalysts, which provide possibility realization low-cost, high-activity, and stable OER in alkaline solution, therefore have attracted significant research interest recent years. A fundamental understanding...
The improved energy band alignment of Pt/TiO<sub>2</sub>/Ga<sub>2</sub>O<sub>3</sub>/Cu<sub>2</sub>O structure results in a positive onset potential ∼1 V<italic>vs.</italic>RHE and stable cathodic photocurrent under appropriate TiO<sub>2</sub>deposition temperature.
In this review, we discuss the merits and major challenges of p-type binary ternary Cu-based metal oxide photocathodes present latest research effort in modifying materials towards high-performance photocathodes.
The combination of Cu and Ag presents a promising way to steer the CO2 reduction products through regulating surface active sites. However, difficulty in forming CuAg alloy with controllable atomic ratio impedes in-depth understanding structure-activity relationship catalysts. Herein, we use E-beam evaporation synthesize series films uniform distribution stoichiometry reveal real reaction mechanism on for electrochemical process. Compared Cu, Cu1-xAgx (x = 0.05-0.2) showed an apparent...
The incorporation of oxygen vacancies in hematite has been investigated as a promising route to improve evolution reaction activity photoanodes used photoelectrochemical water oxidation. However, introducing intentionally α-Fe2O3 for active solar splitting through facile and effective methods remains challenge. Herein, air plasma treatment is shown produce α-Fe2O3, ultrathin nanoflakes are investigate the effect on performance Increasing duration power found increase density leads...
A highly efficient low-band-gap (1.2-0.8 eV) photoelectrode is critical for accomplishing conversion of visible-near-infrared sunlight into storable hydrogen. Herein, we report an Sb2Se3 polycrystalline thin-film photocathode having a low band gap (1.2-1.1 hydrogen evolution wide solar-spectrum utilization. The was fabricated by facile thermal evaporation single powder source onto the Mo-coated soda-lime glass substrate, followed annealing under Se vapor and surface modification with...
Large-scale and high-quality Cu2O microcrystalline films with high photoactivity are synthesized using a novel low-cost method. The enhanced is achieved through the formation of having well-defined crystal facets porous structure. fabricated by decomposing previously Cu(OH)2 nanowires on Cu foil under vacuum. Subsequent growth during annealing process driven outward diffusion ions oxidation. Crystal induces coalescence results in microcrystals enclosed four {111} facets. Photoelectrochemical...
The trade-off between light absorption and carrier transport in semiconductor thin film photoelectrodes is a major limiting factor of their solar-to-hydrogen efficiency for photoelectrochemical water splitting. Herein, we develop heterogeneous doping strategy that combines surface with bulk gradient to decouple photoelectrode. Taking La Mg doped Ta3N5 photoanode as an example, enhanced achieved by through alleviating anisotropic optical absorption, while efficient the maintained band...
The performance of perovskite solar cells is enhanced by modulating the Pb–O bond in a Lewis adduct <italic>via</italic> adding some strong bases into PbI<sub>2</sub>/DMF solutions.
Abstract The homojunction induced by twin structure in semiconductors is found to be highly effective decreasing the bulk recombination. Theoretical and experimental results have demonstrated “back back” potentials directional diffusion that originate from could facilitate charge separation transport of BiVO 4 (BVO) single crystals. As expected, resultant can lead significantly enhanced photocatalytic activity. To eliminate significant reduction performance caused solution mediated interface...
The Lewis acid-base reaction between PbI2 and solvent molecules is popular in fabricating films by a two-step method for making perovskite solar cells. Here, we control the microstructure of through modulating adding small amount N-methyl pyrrolidone into PbI2/DMF solution. with excellent crystallinity full coverage are fabricated spin-coating mixed solution on substrate, which leads to high quality layers low recombination rate efficiency carrier transfer. As result, power conversion best...
Abstract The limited material removal rate of conventional chemical mechanical polishing (CMP) significantly hinders the fabrication efficiency and surface quality, thereby preventing development gallium nitride (GaN)-based devices. Moreover, incorporation photoelectrochemistry in CMP has garnered increasing attention because its potential to enhance quality GaN process. However, a considerable gap still exists comprehensive understanding specific photoelectrochemical (PEC) behavior GaN....
CuO nanowire/microflower structure on Cu foil is synthesized by annealing a Cu(OH)2 nanowire/CuO microflower at 250 °C in air. The with its large surface area leads to an efficient catalysis and charge transfer glucose detection, achieving high sensitivity of 1943 μA mM(-1) cm(-2), wide linear range up 4 mM low detection limit μM for amperometric sensing alkaline solution. With second consecutive growth nanowires the microflowers, obtained nanowire/microflower/nanowire further increases 2424...
Semi-oxidized Co pre-catalysts are oxidized and self-assembled into defective CoOOH with a much higher O vacancy density during the OER, benefiting bonding of oxygen species on catalyst surface promoting catalytic activity.
Silicon (Si) is a suitable absorber for constructing highly efficient solar cells and photoelectrodes, because of its narrow band gap (1.12 eV), Earth abundance, excellent optoelectronic property. When it serves as photoanodes water oxidation, Si corrodes continuously, thermodynamically favorable anodic oxidation surface to SiOx the subsequent dissolution in alkaline electrolytes. The instability becomes main bottleneck that limits further application, thus stabilization under operation...
Abstract The electrochemical reduction of CO 2 (eCO RR) that exclusively produces one product at industrial current density is crucial for the substantial storage renewable energy. Modulating electronic structure atomically dispersed catalysts can effectively regulate adsorption rate‐determining‐step intermediates to achieve desired products. Here, study constructs a hybrid catalyst consisting single Ag atoms and atomic clusters supported on nitrogen‐doped multi‐walled carbon nanotubes...