A5088778869- Advanced Photocatalysis Techniques
- Copper-based nanomaterials and applications
- MXene and MAX Phase Materials
- Covalent Organic Framework Applications
- Electrocatalysts for Energy Conversion
- 2D Materials and Applications
- CO2 Reduction Techniques and Catalysts
- Gas Sensing Nanomaterials and Sensors
- Ammonia Synthesis and Nitrogen Reduction
- Perovskite Materials and Applications
- Catalytic Processes in Materials Science
- TiO2 Photocatalysis and Solar Cells
- Quantum Dots Synthesis And Properties
- Metal-Organic Frameworks: Synthesis and Applications
- Advanced battery technologies research
- Advanced Nanomaterials in Catalysis
- ZnO doping and properties
- Nanomaterials for catalytic reactions
- Fuel Cells and Related Materials
- Electronic and Structural Properties of Oxides
- Advanced biosensing and bioanalysis techniques
- Recycling and Waste Management Techniques
- Caching and Content Delivery
- Conducting polymers and applications
- Microplastics and Plastic Pollution
The University of Adelaide
2016-2025
Wuhan University of Technology
2009-2012
The production of clean and renewable hydrogen through water splitting using photocatalysts has received much attention due to the increasing global energy crises. In this study, a high efficiency photocatalytic H(2) was achieved graphene nanosheets decorated with CdS clusters as visible-light-driven photocatalysts. materials were prepared by solvothermal method in which oxide (GO) served support cadmium acetate (Cd(Ac)(2)) precursor. These nanosized composites reach H(2)-production rate...
Abstract Scalable and sustainable solar hydrogen production through photocatalytic water splitting requires highly active stable earth-abundant co-catalysts to replace expensive rare platinum. Here we employ density functional theory calculations direct atomic-level exploration, design fabrication of a MXene material, Ti 3 C 2 nanoparticles, as efficient co-catalyst. nanoparticles are rationally integrated with cadmium sulfide via hydrothermal strategy induce super high visible-light...
This perspective highlights the rational design of efficient electrocatalysts and photo(electro)catalysts for N<sub>2</sub> reduction to ammonia (NH<sub>3</sub>) under ambient conditions.
Porous P-doped g-C<sub>3</sub>N<sub>4</sub>nanosheets prepared by combining P doping and thermal exfoliation exhibit a high visible-light photocatalytic H<sub>2</sub>-production activity of 1596 μmol h<sup>−1</sup>g<sup>−1</sup>and quantum efficiency 3.56% at 420 nm.
The generation of green hydrogen (H2 ) energy using sunlight is great significance to solve the worldwide and environmental issues. Particularly, photocatalytic H2 production a highly promising strategy for solar-to-H2 conversion. Recently, various heterostructured photocatalysts with high efficiency good stability have been fabricated. Among them, 2D/2D van der Waals (VDW) heterojunctions received tremendous attention, since this architecture can promote interfacial charge separation...
Abstract Flexible non‐metal oxygen electrodes fabricated from phosphorus‐doped graphitic carbon nitride nano‐flowers directly grown on carbon‐fiber paper exhibit high activity and stability in reversibly catalyzing reduction evolution reactions, which is a result of N, P dual action, enhanced mass/charge transfer, active surface area. The performance comparable to that the state‐of‐the‐art transition‐metal, noble‐metal, catalysts. Remarkably, flexible nature these allows their use folded...
Cu(OH)2 cluster-modified TiO2 (Cu(OH)2/TiO2) photocatalysts were prepared by a simple precipitation method using Degussa P25 powder (P25) as support and copper nitrate precursor. Low-power ultraviolet light emitting diodes (UV-LEDs) used the source for photocatalytic water splitting reaction. The samples show especially high H2-production activity from aqueous solutions containing ethylene glycol sacrificial reagent even without Pt co-catalyst. optimal loading content was found to be 0.29...
Conventional titania photocatalysts possess good activity and stability, but require near-ultraviolet (UV) irradiation (about 4% of the solar spectrum) for effective photocatalysis, which severely limits their practical applications. Here we report synthesis new visible-light-driven Ni(OH)2-modified CdS nanorod-type composite by a simple precipitation method using nanorods as support Ni(NO3)2 nickel hydroxide precursor. A special emphasis is placed on effect Ni(OH)2 content in this...
Abstract Photocatalytic CO 2 reduction is an effective means to generate renewable energy. It involves redox reactions, of and oxidation water, that leads the production solar fuel. Significant research effort has therefore been made develop inexpensive practically sustainable semiconductor‐based photocatalysts. The exploration atomic‐level active sites on surface semiconductors can result in improved understanding mechanism photoreduction. This be applied design synthesis efficient In this...
The design and synthesis of metal oxide nanomaterials is one the key steps for achieving highly efficient energy conversion storage on an industrial scale.
Abstract Engineering high‐energy interfacial structures for high‐performance electrocatalysis is achieved by chemical coupling of active CoO nanoclusters and high‐index facet Mn 3 O 4 nano‐octahedrons (hi‐Mn ). A thorough characterization, including synchrotron‐based near edge X‐ray absorption fine structure, reveals that strong interactions between both components promote the formation Mn‐O‐Co species high oxidation state CoO, from which electrons are drawn III ‐O present in hi‐Mn . The...
Abstract Transitional metals are widely used as co‐catalysts boosting photocatalytic H 2 production. However, metal‐based suffer from high cost, limited abundance and detrimental environment impact. To date, metal‐free co‐catalyst is rarely reported. Here we for the first time utilized density functional calculations to guide application of phosphorene a high‐efficiency CdS, Zn 0.8 Cd 0.2 S or ZnS. Particularly, modified CdS shows apparent quantum yield 34.7 % at 420 nm. This outstanding...
A three-dimensional (3D) catalyst was fabricated by using N-doped graphene films as scaffolds and nickel nanoparticles building blocks via a heterogeneous reaction process. This unique structure enables high loadings optimal electrode contact, leading to surprisingly catalytic activity towards OER, which almost approaches that of the state-of-the-art precious OER electrocatalysts (IrO2). Moreover, process features favourable kinetics strong durability during long-term cycling. The...
A ternary ZnxCd1-xS-based material in the co-presence of NiS and reduced graphene oxide (RGO) is designed synthesized. It shows a high solar photocatalytic H2-production activity apparent quantum efficiency 31.1% at 420 nm. This represents one most active metal sulfide photocatalysts absence noble-metal cocatalysts significantly improved performance can be attributed to positive synergetic effect RGO over ZnxCd1-xS.
Abstract The aggravating extreme climate changes and natural disasters stimulate the exploration of low‐carbon/zero‐carbon alternatives to traditional carbon‐based fossil fuels. Solar‐to‐hydrogen (STH) transformation is considered as appealing route convert renewable solar energy into carbon‐free hydrogen. Restricted by low efficiency high cost noble metal cocatalysts, high‐performance cost‐effective photocatalysts are required realize realistic STH transformation. Herein, 2D FePS 3 (FPS)...
Abstract 2D metal organic frameworks (MOF) have received tremendous attention due to their organic–inorganic hybrid nature, large surface area, highly exposed active sites, and ultrathin thickness. However, the application of MOF in light‐to‐hydrogen (H 2 ) conversion is rarely reported. Here, a novel [Ni(phen)(oba)] n ·0.5 H O (phen = 1,10‐phenanthroline, oba 4,4′‐oxybis(benzoate)) for first time employed as general, high‐performance, earth‐abundant platform support CdS or Zn 0.8 Cd 0.2 S...
Abstract The conversion of water into clean hydrogen fuel using renewable solar energy can potentially be used to address global and environmental issues. However, conventional photocatalytic H 2 evolution from splitting has low efficiency poor stability. Hole scavengers are therefore added boost separation photoexcited electron–hole pairs improve stability by consuming the strongly oxidative holes. drawbacks this approach increased cost production waste. Recently, researchers have reported...
High-performance and low-cost photocatalysts play the key role in achieving large-scale solar hydrogen production. In this work, we report a liquid-exfoliation approach to prepare NiPS
Sustainable conversion of plastic waste to mitigate environmental threats and reclaim value is important. Ambient-condition photoreforming practically attractive convert hydrogen (H2); however, it has poor performance because mutual constraint between proton reduction substrate oxidation. Here, we realize a cooperative photoredox using defect-rich chalcogenide nanosheet-coupled photocatalysts, e.g., d-NiPS3/CdS, give an ultrahigh H2 evolution ∼40 mmol gcat-1 h-1 organic acid yield up 78 μmol...
Photocatalytic performance can be optimized via introduction of reactive sites. However, it is practically difficult to engineer these on specific photocatalyst surfaces, because limited understanding atomic-level structure-activity. Here we report a facile sonication-assisted chemical reduction for facets regulation oxygen deprivation Bi-based photocatalysts. The modified Bi2 MoO6 nanosheets exhibit 61.5 and 12.4 μmol g-1 CO CH4 production respectively, ≈3 times greater than pristine...