A5100355964- Advanced Photocatalysis Techniques
- Crystallization and Solubility Studies
- Carbon and Quantum Dots Applications
- X-ray Diffraction in Crystallography
- Electrocatalysts for Energy Conversion
- Quantum Dots Synthesis And Properties
- Nanocluster Synthesis and Applications
- Advanced Nanomaterials in Catalysis
- Advanced battery technologies research
- Catalytic Processes in Materials Science
- Copper-based nanomaterials and applications
- ZnO doping and properties
- Advanced biosensing and bioanalysis techniques
- Perovskite Materials and Applications
- Metal-Organic Frameworks: Synthesis and Applications
- Luminescence and Fluorescent Materials
- Electrochemical sensors and biosensors
- Conducting polymers and applications
- Supercapacitor Materials and Fabrication
- Gas Sensing Nanomaterials and Sensors
- Electrochemical Analysis and Applications
- Fuel Cells and Related Materials
- Advancements in Battery Materials
- Nanomaterials for catalytic reactions
- Ga2O3 and related materials
Shanxi University
2016-2025
Southern University of Science and Technology
2017-2025
Beijing Academy of Quantum Information Sciences
2025
Soochow University
2016-2025
Chinese Academy of Sciences
2016-2025
Shantou University
2023-2025
Changzhou University
2015-2025
Sichuan University
2008-2025
North China Electric Power University
2015-2025
North Carolina State University
2014-2025
An enduring catalyst built from carbon Splitting water into its constituent elements, hydrogen and oxygen, generally requires the assistance of metal catalysts. Liu et al. now show that a metal-free hybrid material composed nitrogen can promote this reaction all on own, with help some visible light. The photocatalyst combines one (C 3 N 4 ) known to split peroxide second (CDot) breaks down before it damage first. robust stability bodes well for practical implementation optimized analogs in...
Carbon nanodots (C-dots) have generated enormous excitement because of their superiority in water solubility, chemical inertness, low toxicity, ease functionalization and resistance to photobleaching. In this review, by introducing the synthesis photo- electron-properties C-dots, we hope provide further insight into controversial emission origin (particularly upconverted photoluminescence) stimulate research potential applications, especially photocatalysis, energy conversion,...
Size control: A one-step alkali metal-assisted electrochemical method for the fabrication of carbon quantum dots (CQDs) with size-dependent photoluminescence is presented (see picture). Their upconversion luminescence may provide a way development novel photocatalysts. Detailed facts importance to specialist readers are published as "Supporting Information". Such documents peer-reviewed, but not copy-edited or typeset. They made available submitted by authors. Please note: The publisher...
A bioinspired, reusable, paper-based gold-nanoparticle film is fabricated by depositing an as-prepared thin on airlaid paper. This system with enhanced surface roughness and low thermal conductivity exhibits increased efficiency of evaporation, scale-up potential, proven reusability. It also demonstrated to be potentially useful in seawater desalination. Solar-enabled evaporation a solar-energy-harvesting technology that can used modern power plants, chemical desalination plants.1-6 Multiple...
We report direct observation of an unexpected anisotropic swelling Si nanowires during lithiation against either a solid electrolyte with lithium counter-electrode or liquid LiCoO2 counter-electrode. Such expansion is attributed to the interfacial processes accommodating large volumetric strains at reaction front that depend sensitively on crystallographic orientation. This results in lithiated remarkable dumbbell-shaped cross section, which develops due plastic flow and ensuing necking...
High quality carbon nanodots (C-dots) with high purity were synthesized through a mild, one-step electrochemical approach, without the assistance of any chemicals but only pure water. This productivity method makes synthetic process C-dots synthesis both economical as well environment-friendly. The prepared are predominantly multi-layer graphene oxide, luminescence and up-conversion photoluminescence (emission light at shorter wavelengths than excitation wavelength). Meanwhile, showed...
A low-cost CoMoP@C electrocatalyst exhibits high efficiency and stable HER performance superior to commercial 20% Pt/C, can directly work in seawater for the with a Faradaic of 92.5%.
In this study, we report the facile fabrication of Ag3PO4, CQDs/Ag3PO4, Ag/Ag3PO4 and CQDs/Ag/Ag3PO4 photocatalysts (CQDs, carbon quantum dots). For CQDs/Ag3PO4 CQDs/Ag/Ag3PO4, because insoluble, photoinduced electron transfer, upconversion luminescence reservoir properties CQDs, complex exhibit enhanced photocatalytic activity structural stability over photodecomposition organic compounds (methyl orange) under irradiation visible light. Furthermore, synergistic effect CQDs intense surface...
Water-soluble fluorescent N-doped carbon dots (NCDs) were synthesized by a facile one-pot ultrasonic reaction between glucose and ammonium hydroxide. Besides exhibiting strong luminescence in the visible-to-near infrared range, obtained NCDs displayed clear upconversion photoluminescence properties. Moreover, showed excellent photocatalytic property photodegradation of methyl orange under visible light.
The design of highly efficient, durable, and earth-abundant catalysts for the oxygen evolution reaction is crucial to a variety important energy conversion storage processes. Here, we use carbon quantum dots (CQDs, ∼5 nm) form hybrids with ultrathin nickel-iron layered double-hydroxide (NiFe-LDH) nanoplates. resulting CQD/NiFe-LDH complex exhibits high electrocatalytic activity (with an overpotential ∼235 mV in 1 M KOH at current density 10 mA cm(-2)) stability evolution, which almost exceed...
Graphene has initiated intensive research efforts on 2D crystalline materials due to its extraordinary set of properties and the resulting host possible applications. Here authors report controllable large‐scale synthesis C 3 N, a crystalline, hole‐free extension graphene, structural characterization, some unique properties. N is fabricated by polymerization 2,3‐diaminophenazine. It consists honeycomb lattice with homogeneous distribution nitrogen atoms, where both atoms show D 6h ‐symmetry....
Abstract Carbon dots (Cdots) are an important probe for imaging and sensing applications because of their fluorescence property, good biocompatibility, low toxicity. However, complex procedures strong acid treatment often required Cdots suffer from photoluminescence (PL) emission. Herein, a facile general strategy using carbonization precursors then extraction with solvents is proposed the preparation nitrogen‐doped (N‐Cdots) 3‐(3,4‐dihydroxyphenyl)‐ L ‐alanine ( ‐DOPA), ‐histidine,...
Using advanced in situ transmission electron microscopy, we show that the addition of a carbon coating combined with heavy doping leads to record-high charging rates silicon nanowires. The and phosphorus each resulted 2 3 orders magnitude increase electrical conductivity nanowires that, turn, 1 order rate. In addition, electrochemical solid-state amorphization (ESA) inverse ESA were directly observed characterized during two-step phase transformation process lithiation: crystalline (Si)...
Abstract Understanding the microscopic mechanisms of electrochemical reaction and material degradation is crucial for rational design high‐performance lithium ion batteries (LIBs). A novel nanobattery assembly testing platform inside a transmission electron microscope (TEM) has been designed, which allows direct study structural evolution individual nanowire or nanoparticle electrodes with near‐atomic resolution in real time. In this review, recent progresses several important anode...
Carbon quantum dots (CQDs)/Cu2O composite with protruding nanostructures on the surface is prepared by facile one-step ultrasonic treatment. We demonstrate for first time that this photocatalytic system could harness (near) infrared light to enhance activity based collective effect of superior reflecting ability Cu2O and up-converted photoluminescence property CQDs.
In this study, we report the facile fabrication of Fe2O3/CQDs nanocomposites, and investigate their effective photocatalytic activity for photodegradation toxic gas (gas-phase benzene methanol) under visible light. The crucial roles CQDs in enhancement composites are illustrated.
Abstract Artificial photosynthesis of H 2 O from and , as a spotless method, has aroused widespread interest. Up to date, most photocatalysts still suffer serious salt-deactivated effects with huge consumption photogenerated charges, which severely limit their wide application. Herein, by using phenolic condensation approach, carbon dots, organic dye molecule procyanidins 4-methoxybenzaldehyde are composed into metal-free photocatalyst for the photosynthetic production in seawater. This...
High-efficiency and high-selectivity catalytic oxidation of alkanes under mild conditions is a major objective current catalysis chemistry chemical production. Despite extensive development efforts on new catalysts for cyclohexane oxidation, commercial processes still suffer from low conversion, poor selectivity, excessive production waste. We demonstrate the design synthesis composites made metal nanoparticles carbon quantum dots (CQDs) high-efficiency photocatalyst systems green...
A brief review of CDots from the perspective traditional QDs clarifies basic concepts, unique characteristics and challenges.
The infection of bacteria and fungus is one the most challenging global threats to human health. With recent advancement in nanoscience nanotechnology, much progress has been achieved development antimicrobial nanomedicine; however, these nanomaterial-based antibacterial agents still suffer from potential biological toxicity, poor degradation, various secondary pollution. Here, we demonstrate fabrication low-toxic degradable carbon dots (CDs) vitamin C by one-step electrochemical method....
Selective oxidation of alcohols is a fundamental and significant transformation for the large-scale production fine chemicals, UV visible light driven photocatalytic systems alcohol have been developed, however, long wavelength near infrared (NIR) (IR) not yet fully utilized by present systems. Herein, we reported carbon quantum dots (CQDs) can function as an effective photocatalyst selective benzyl to benzaldehyde. Based on NIR photo-induced electron transfer property its activity H2O2...
Novel Fe2O3 hollow spheres with mesopores on the surface were first synthesized a large scale by facile and efficient hydrothermal process, without templates in system. The samples characterized transmission electron microscopy (TEM), scanning (SEM), X-ray diffraction (XRD), photoelectron spectroscopy (XPS), N2 adsorption−desorption. When amorphous used as photocatalytic material, they performed better than nanocrystal samples. This synthetic procedure is straightforward thus facilitates...