A5012902307- Advanced Photocatalysis Techniques
- Electrocatalysts for Energy Conversion
- TiO2 Photocatalysis and Solar Cells
- Advanced battery technologies research
- Quantum Dots Synthesis And Properties
- Electrochemical Analysis and Applications
- Perovskite Materials and Applications
- CO2 Reduction Techniques and Catalysts
- Copper-based nanomaterials and applications
- Fuel Cells and Related Materials
- Conducting polymers and applications
- Advanced Nanomaterials in Catalysis
- Transition Metal Oxide Nanomaterials
- Ionic liquids properties and applications
- Covalent Organic Framework Applications
- ZnO doping and properties
- Gas Sensing Nanomaterials and Sensors
- Oxidative Organic Chemistry Reactions
- Ammonia Synthesis and Nitrogen Reduction
- Nanomaterials for catalytic reactions
- Iron oxide chemistry and applications
- Advanced Thermoelectric Materials and Devices
- Inorganic Fluorides and Related Compounds
- Radical Photochemical Reactions
- Power Systems and Renewable Energy
North China Electric Power University
2025
Dalian University of Technology
2019-2025
Wuhan University of Science and Technology
2024-2025
Smart Material (Germany)
2025
State Key Laboratory of Fine Chemicals
2020-2025
Qingdao University of Science and Technology
2025
Qingdao University of Technology
2025
Dalian University
2020-2024
Wuhan Institute of Technology
2023
Wuhan University of Technology
2016-2020
Abstract Highly active and low-cost electrocatalysts for water oxidation are required due to the demands on sustainable solar fuels; however, developing highly efficient catalysts meet industrial requirements remains a challenge. Herein, we report monolayer of nickel–vanadium-layered double hydroxide that shows current density 27 mA cm −2 (57 after ohmic-drop correction) at an overpotential 350 mV oxidation. Such performance is comparable those best-performing nickel–iron-layered hydroxides...
As one of the most remarkable oxygen evolution reaction (OER) electrocatalysts, metal chalcogenides have been intensively reported during past few decades because their high OER activities. It has that electron-chemical conversion into oxides/hydroxides would take place after OER. However, transition mechanism such unstable structures, as well real active sites and catalytic activity for these not understood yet; therefore a direct observation electrocatalytic water oxidation process,...
Water oxidation is the key process for many sustainable energy technologies containing artificial photosynthesis and metal-air batteries. Engineering inexpensive yet active electrocatalysts water mandatory cost-effective generation of solar fuels. Herein, we propose a novel hierarchical porous Ni-Co-mixed metal sulfide (denoted as NiCoS) on Ti3C2T x MXene via metal-organic framework (MOF)-based approach. Benefiting from unique structure strong interfacial interaction between NiCoS sheets,...
Light driven water splitting was achieved by a tandem dye-sensitized photoelectrochemical cell with two photoactive electrodes. The photoanode is constituted an organic dye L0 as photosensitizer and molecular complex Ru1 oxidation catalyst on meso-porous TiO2, while the photocathode constructed P1 photoabsorber Co1 hydrogen generation nanostructured NiO. By combining photoanode, this DS-PEC can split visible light under neutral pH conditions without applying any bias.
Electrochemical water splitting to produce hydrogen bears a great commitment for future renewable energy conversion and storage. By employing an in situ chemical vapor deposition (CVD) process, we prepared bimetal (Ni Mo) sulfide-based hybrid nanowire (NiS2/MoS2 HNW), which was composed of NiS2 nanoparticles MoS2 nanoplates, revealed that it is efficient electrocatalyst the evolution reaction (HER) over wide pH range due collective effects rational morphological design synergistic...
Electrochemical CO2 reduction reaction (CO2RR) to formate is considered as one of the most promising routes for value-added fuels and chemical productions. The achievement excellent activity high Faradaic efficiency in a wide potential range critical mature applications. To this regard, we first employed density functional theory simulations predict Bi nanotubes nanosheets CO2RR selectivity toward formate. theoretical thermodynamic analysis energetics suggests that limiting HCOOH decreases...
Abstract Noble‐metal‐free bimetal‐based electrocatalysts have shown high efficiency for water oxidation. Ni and/or Co in these are essential to provide a conductive, high‐surface area and chemically stable host. However, the necessity of or limits scope low‐cost electrocatalysts. Herein, we report hierarchical hollow FeV composite, which is Ni‐ Co‐free highly efficient electrocatalytic oxidation with low overpotential 390 mV (10 mA cm −2 catalytic current density), Tafel slope 36.7 dec −1 ,...
Photocatalytic CO 2 reduction to value‐added fuels is an appealing avenue in response global warming and the energy crisis, but it still suffers from high barriers, low conversion efficiencies, poor photostability. Herein, a novel S‐scheme SnNb O 6 /CdSe–diethylenetriamine (SNO/CdSe–DET) heterojunction designed by microwave‐assisted solvothermal process, composed of 2D ultrathin SNO nanosheets (NSs) amine‐modified CdSe–DET nanorods (NRs). The SNO/CdSe–DET composite without any co‐catalyst...
Abstract This study introduces zeolitic imidazolate framework‐8 (ZIF‐8) as the first metal‐organic framework based transparent surface passivation layer for photo‐electrochemical (PEC) water splitting. A significant enhancement PEC oxidation is demonstrated on in situ seamless coating of ZIF‐8 Ni foam (NF) supported ZnO nanorod arrays photoanode. The performance improved by optimizing thickness and grafting Ni(OH) 2 nanosheets synergetic co‐catalyst. With respect to ZnO/NF, optimized...
The ability to regulate charge separation is pivotal for obtaining high efficiency of any photoelectrode used solar fuel production. Vacancy engineering metal oxide semiconductor a major strategy but has faced formidable challenge in bulk transport because the elusive self-trapping site. In this work, new deep eutectic solvent engineer bismuth vacancies (Bivac ) BiVO4 photoanode reported; novel Bivac can remarkably increase diffusion coefficient by 5.8 times (from 1.82 × 10-7 1.06 10-6 cm2...
Abstract The S‐scheme heterojunctions have great potential for photocatalytic carbon dioxide reduction due to their unique carrier migration pathways, superior separation efficiencies, and high redox capacities. However, the precise process of oriented powerful electron transport remains a challenge. Herein, an InOCd bond‐modulated heterojunction In 2 O 3 /CdSe‐DETA is synthesized by simple microwave‐assisted hydrothermal method accelerated photogenerated transfer. Meanwhile, oxygen...
The extensive consumption of fossil fuels has caused the rapid increase in CO2 level atmosphere, forcing people to find a clean and efficient technology conversion alleviate emissions develop value-added products. Among various systems, electroreduction chemicals is feasible way for practical applications. Copper, only metal that can catalyze reduction multi-carbon products, attracted most attention among catalysts. However, slow reaction kinetics, low product selectivity, as well poor...
Abstract The recognition of the surface reconstruction catalysts during electrochemical CO 2 reduction (CO2RR) is essential for exploring and comprehending active sites. Although superior performance Cu–Zn bimetallic sites toward multicarbon C 2+ products has been established, dynamic not fully understood. Herein, Zn‐doped Cu O nano‐octahedrons are used to investigate effect stability by leaching redeposition on CO2RR. Correlative characterizations confirm Zn from O, which redeposited at...
Abstract Photosynthesis of hydrogen peroxide (H 2 O ) is regarded as an economically efficient and environmentally friendly synthesis method. However, the scalability photocatalytic H production (PHP) hindered by sluggish reaction kinetics rapid recombination photogenerated charge carriers. In this study, organic amine‐constrained ions intercalated carbon nitride/CdSe‐diethylenetriamine (K + /I − ‐CN/CdSe‐D) S‐scheme heterojunction synthesized using organic–inorganic hybrid approach employed...
Summary of photocurrent <italic>vs.</italic> time and (inset) total theoretical H<sub>2</sub> generated for the 7 different NiO electrodes compared in this study.
Photoelectrochemical (PEC) cells using molecular catalysts to split water into hydrogen and oxygen have been investigated intensively during the past years. However, high-cost of Pt counter electrodes instability PEC hinder practical applications. We describe in this article a Pt-free tandem cell, for first time, employing ruthenium- cobalt-catalysts with strong dipicolinic acid anchoring groups on respective photoanode photocathode total splitting. The cell showed an effective steady...
Interfacial properties currently hinder the performance of Si/organic heterojunction solar cells for an alternative to high-efficiency and low-cost photovoltaics. Here, we present a simple repeatable wet oxidation method developing surface passivation layer, SiOx, on Si fabrication Si/poly(3,4-ethylene-dioxythiophene):polystyrenesulfonate (PEDOT:PSS) cells. The uniform dense SiOx thin layer introduced by oxidizing aqueous solution H2O2 or HNO3 provided better stronger wettability surface,...
Graphdiyne with a highly π-conjugated structure of sp- and sp<sup>2</sup>-hybridized carbon networks serves as superior additive to boost the activity water oxidation catalysts.
Two-dimensional (2D) organic–inorganic hybrid perovskite materials have recently attracted tremendous attention for use in solar cells (PSCs) by virtue of their considerable long-term stability. However, the primary stumbling block application PSC is relatively lower power conversion efficiency (PCE) compared with conventional 3D perovskite. In this work, through a binary solvent engineering dimethylformamide (DMF)/dimethyl sulfoxide (DMSO) precursor solution, high-performance 2D planar are...
The molecular water oxidation catalyst 1 was electrochemically polymerized on a dye-sensitized TiO2 electrode and an Fe2O3 nanorod electrode. High photocurrent densities of ca. 1.4 mA cm–2 for poly-1+RuP@TiO2 0.4 poly-1@Fe2O3 were achieved under pH-neutral conditions. A kinetic isotope effect (KIE) study shows that poly-1 catalyzes the surface via radical coupling mechanism.