A5064038482- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- Copper-based nanomaterials and applications
- Advanced battery technologies research
- CO2 Reduction Techniques and Catalysts
- Silicon and Solar Cell Technologies
- Thin-Film Transistor Technologies
- Catalytic Processes in Materials Science
- Fuel Cells and Related Materials
- Semiconductor materials and devices
- Chalcogenide Semiconductor Thin Films
- Ga2O3 and related materials
- Electronic and Structural Properties of Oxides
- 2D Materials and Applications
- solar cell performance optimization
- Nanowire Synthesis and Applications
- Quantum Dots Synthesis And Properties
- Catalysis and Hydrodesulfurization Studies
- Advanced biosensing and bioanalysis techniques
- Electrochemical sensors and biosensors
- Solar-Powered Water Purification Methods
- Biodiesel Production and Applications
- Hybrid Renewable Energy Systems
- Metal-Organic Frameworks: Synthesis and Applications
- Multiferroics and related materials
Soochow University
2016-2025
Yunnan Normal University
2020-2021
Suzhou Research Institute
2017-2020
University of Michigan
2018-2019
Atomic Ir-doped NiCo layered double hydroxide as a robust bifunctional catalyst for highly efficient and durable overall water splitting.
The sustainable production of chemicals and fuels from abundant solar energy renewable carbon sources provides a promising route to reduce climate-changing CO2 emissions our dependence on fossil resources. Here, we demonstrate solar-powered formate readily available biomass wastes feedstocks via photoelectrochemistry. Non-precious NiOOH/α-Fe2O3 Bi/GaN/Si wafer were used as photoanode photocathode, respectively. Concurrent photoanodic oxidation photocathodic reduction towards with high...
Water splitting in a photoelectrochemical cell, which converts sunlight into hydrogen energy, has recently received intense research. Silicon is suitable as viable light-harvesting material for constructing such cell; however, there need to improve its stability and explore cheap efficient cocatalyst. Here we fabricate highly stable photocathodes by integrating crystalline MoS2 catalyst with ∼2 nm Al2O3 protected n+p-Si. acts protective passivative layer of the Si surface, while sputtering...
Solar water splitting using Si photoelectrodes in photoelectrochemical (PEC) cells offers a promising approach to convert sunlight into sustainable hydrogen energy, which has recently received intense research. This review summarizes the recent advances development of efficient and stable for solar splitting. The definition representation efficiency stability are firstly introduced. We then present several basic strategies designing highly photoelectrodes, including surface textures,...
Oxygen-vacancy-rich nickel hydroxide nanosheets as a multifunctional layer between Ir and Si toward enhanced solar hydrogen production in alkaline media.
Designing a highly efficient and stable photoelectrochemical (PEC) tandem cell for unassisted solar water splitting is considered promising approach large-scale energy storage.
When a Si photocathode is used in photoelectrochemical cell for H2 production, an open nanostructure capable of enhanced light absorption, low surface recombination, and being fully protected by thin protective layer highly desirable. Here, we explored stable efficient multi-crystalline (mc) n+p silicon photocathode. A pyramid-like on mc-Si wafer was fulfilled through two-step metal-catalyzed chemical etching process, then junction Al2O3 constructed. The exhibits high stability continuous...
Highly efficient and stable Si photocathodes were fabricated for water splitting by manipulating the loading of Pt catalyst TiO<sub>2</sub> protective layer.
Photoelectrochemical (PEC) conversion of CO2 in an aqueous medium into high-energy fuels is a creative strategy for storing solar energy and closing the anthropogenic carbon cycle. However, rational design catalytic architectures to selectively efficiently produce target product such as CO has remained grand challenge. Herein, efficient selective Si photocathode production reported by utilizing TiO2 interlayer bridge Au nanoparticles n+ p-Si. The can not only effectively protect passivate...
A bifunctional NiCoS/NiCoP catalyst with bistratal structure for 10.8%-efficient and stable overall solar water splitting.
Integrating nanostructured catalysts with semiconductors is a prevalent strategy for the design of photoelectrochemical (PEC) photocathodes toward CO2 reduction reaction (CO2RR). However, it still challenge to achieve high efficiency and selectivity due incompatible catalyst/semiconductor heterogeneous interface. Here, proposed that engineering oxygen vacancy in TiO2 interlayer plays multifunctional role boosting PEC activity CO2RR on Bi catalyst modified Si photocathode (denoted as...
A combination of hydrogen passivation, electroless deposition a Pt catalyst and coating TiO2 protective layer leads to an unprecedented 11.5% energy conversion efficiency one-week stability n+np+-Si photocathode for solar water splitting.
Developing robust, low-cost, and scalable catalysts for photoelectrochemical (PEC) water splitting devices is crucial the sustainable hydrogen evolution reaction (HER). MoS2 has emerged as a potent alternative to Pt-based HER. However, active sites of 2H-MoS2 are reported locate at edges, leaving large number inert basal planes useless. Herein, facile strategy activate plane via an in situ PEC protocol. Both experimental studies theoretical calculations reveal emergence O–Mo–S on planes,...
Silicon semiconductor functionalized with molecular catalysts emerges as a promising cathode for photoelectrochemical (PEC) CO2 reduction reaction (CO2 RR). However, the limited kinetics and stabilities remains major hurdle development of such composites. We herein report an assembling strategy silicon photocathodes via chemically grafting conductive graphene layer onto surface n+ -p Si followed by catalyst immobilization. The covalently-linked effectively enhances photogenerated carriers...
Excellent photoelectrochemical activity was demonstrated for an easily prepared porous Ni-O/Ni/Si photoanode with onset potential of 0.93 VRHE, a photocurrent 39.7 mA cm-2 at 1.23 energy conversion efficiency 3.2% and stability above 100 h.
Many earth-abundant transition metal dichalcogenides (TMDs) have been employed as catalysts for H2 evolution reaction (HER); however, their impactful integration onto photocathodes photoelectrochemical (PEC) HER is less developed. In this study, we directly sputtered a MoSe2 catalyst an n+p-Si photocathode efficient and stable PEC-HER. An onset potential of 0.4 V vs. RHE, saturated photocurrent 29.3 mA/cm2, fill factor 0.32, energy conversion efficiency 3.8% were obtained under 100 mA/cm2 Xe...
Converting CO2 to value-added chemicals through a photoelectrochemical (PEC) system is creative approach toward renewable energy utilization and storage. However, the rational design of appropriate catalysts while being effectively integrated with semiconductor photoelectrodes remains considerable challenge for achieving single-carbon products high efficiency. Herein, we demonstrate novel sulfidation-induced strategy in situ grown sulfide-derived Ag nanowires on Si photocathode (denoted as...
Currently, p-type silicon has been studied as a photocathode in photoelectrochemical cell for water splitting where an n+ thin layer is usually fabricated on electrode surface order to increase band bending at the n+p interface relative aqueous solution/p-Si interface. However, this leads high Auger recombination reaction We report herein efficient and stable based single-crystal n-type Si with rear np+ junction, different from conventional one front junction. Using Al2O3 protecting layer,...