A5042880320- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- Advanced Photocatalysis Techniques
- ZnO doping and properties
- Gas Sensing Nanomaterials and Sensors
- Copper-based nanomaterials and applications
- Nanocluster Synthesis and Applications
- Perovskite Materials and Applications
- Advanced biosensing and bioanalysis techniques
- Luminescence Properties of Advanced Materials
- Advanced Thermoelectric Materials and Devices
- Gold and Silver Nanoparticles Synthesis and Applications
- Metal-Organic Frameworks: Synthesis and Applications
- Ga2O3 and related materials
- Covalent Organic Framework Applications
- Advanced Memory and Neural Computing
- Supercapacitor Materials and Fabrication
- Electronic and Structural Properties of Oxides
- Electrocatalysts for Energy Conversion
- Aerogels and thermal insulation
- Electrospun Nanofibers in Biomedical Applications
- Catalytic Processes in Materials Science
- Semiconductor Quantum Structures and Devices
- Electrochemical Analysis and Applications
- Advanced Semiconductor Detectors and Materials
Vietnam Academy of Science and Technology
2016-2025
Institute of Materials Science
2007-2024
National Institute for Materials Science
2015
CEA Grenoble
2009-2013
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2009-2013
Institut Nanosciences et Cryogénie
2009-2013
Université Joseph Fourier
2009-2010
Structure et Propriétés d'Architectures Moléculaires
2009-2010
Centre National de la Recherche Scientifique
2009-2010
Metal organic frameworks (MOFs) are attractive materials to generate multifunctional catalysts for the electrocatalytic reduction of CO2 hydrocarbons. Here we report synthesis Cu and Zn modified Al-fumarate (Al-fum) MOFs, in which promotes selective CO oxygenates hydrocarbons an cascade. nanoparticles (NPs) were introduced Al-fum MOF by a double solvent method promote in-pore metal deposition, resulting reduced Cu-Zn@Al-fum drop-cast on hydrophobic gas diffusion electrode electrochemical...
2D/2D step-scheme (S-scheme) piezo-photocatalysts for the production of fine chemicals, such as hydrogen peroxide (H2O2), have attracted significant attention global scientists owing to efficiency in utilizing surface piezoelectric effects from 2D materials overcome rapid charge recombination photocatalytic processes. In this research, we reported fabrication S-doped VOx deposited on g-C3N4 produce H2O2 via piezo-photocatalytic process with high yields at 20.19 mmol g–1 h–1, which was 1.75...
Sustainability in catalysis is increasingly becoming the primary target academic and industrial studies. Regarding material perspective, designing heterojunction nanocatalysts to produce small molecules, such as hydrogen peroxide (H2O2), has been an attractive research theme recent decades. Nonetheless, most reported materials suffer from a complicated synthetic process with various steps using unbenign solvents, hindering practical applications on scale. This study proposed facile one-step...
Increasing active sites in catalysts is of utmost importance for catalytic processes. In this regime, single‐atom dispersing on graphitic carbon nitrides (g‐C 3 N 4 ) to produce fine chemicals, such as hydrogen peroxide (H 2 O ), current interest due not only enhancing performance but also reducing the loading necessary metals. Herein, g‐C engineered by atomically aluminum (Al) or indium (In) provide centers via one‐step thermal shock polymerization. The addition Al and can accelerate...
Chemically synthesized InP/ZnS core/shell quantum dots (QDs) are studied using time-resolved photoluminescence spectroscopy and x-ray diffraction. Zinc stearate, which is added during the synthesis of InP core, significantly improves optical characteristics QDs. The luminescence yield (QY) reaches 60%–70% emission tunable from 485 to 586 nm by varying Zn2+:In3+ molar ratio growth temperature. observed increased Stokes shift, decay time, QY in presence Zn rationalized formation an In(Zn)P...
The valorization of shrimp wastes to develop advanced materials brings economic and environmental advantages. This paper presents a facile eco-friendly synthesis chitosan-derived carbon (CCS) CCS/[email protected](OH)2 (CSSN) aerogel nanocomposite for supercapacitor application, in which NiO Ni(OH)2 nanoparticles were tightly attached the porous surface CCS aerogel. As result, CCSN-300 carbonized at 300 °C has high porosity electrical conductivity demonstrates its potential as an active...
Abstract Hydrogen peroxide (H 2 O ) production via oxygen (O reduction reaction (ORR) in pure water O) through graphitic carbon nitrides (g‐C 3 N 4 )‐based piezo‐photocatalysts is an exciting approach many current studies. However, the low Lewis‐acid properties of g‐C limited catalytic performance because adsorption efficacy. To overcome this challenge, interaction precursors with various solvents are utilized to synthesize , possessing multiple nitrogen‐vacant species thermal shocking...
This letter reports on the comparative photoluminescence study of InP/ZnS quantum dots in close-packed solid state and colloidal solution. The steady-state spectrum peaks at a longer wavelength than that ones. Time-resolved shows possess shorter luminescence decay time strongly increased spectral shift with delayed from excitation moment comparison observed behavior is discussed basis energy transfer enabled by short interparticle distance between dots.
Abstract Elucidating the impact of heteroatoms in graphitic carbon nitrides (g‐C 3 N 4 ) is utmost importance to rationalize materials. Hence, this study, oxygen‐doped g‐C containing trace amounts halogen structures for piezo‐photosynthesis hydrogen peroxides (H 2 O fabricated. The findings reveal that oxygen atoms may be inserted into in‐plane structures, while tend become intercalated between layers. Furthermore, presence ammonium molten salts (NH X) during synthesis alters concentration...
Abstract Engineering active sites to boost the catalytic performance of semiconducting materials is current interest. Herein, enhanced hydrogen peroxide (H 2 O ) production via oxygen (O reduction through a surface‐substituting strategy reported, in which surface Zn─O bonds are partially halogenated one‐step simple calcination process. The experimental data validated presence halogen on modulated band structures prepared materials, leading with optimal samples, ZnO‐Cl, generating up 6.3 µmol...
Conductivity σ and thermal conductivity κ are directly related to carrier concentration while Seebeck coefficient S is inversely proportional concentration. Therefore, improving thermoelectric (TE) performance challenging. Here, the first-time analysis of secondary phase-controlled TE in terms density-of-state effective mass md∗, weighted mobility μw quality factor B discussed ZnO system. The results show that spinel phase Ga2O3(ZnO)9 not only impacts on but also at high temperature, effect...
Bismuth vanadate (BiVO4) has emerged as one of the most promising materials that can be used for fabrication solar-driven water splitting photoanodes. However, its photocatalytic activity is limited by low charge carriers' mobility, fast carrier recombination, and slow kinetics oxidation reaction. In this study, silver phosphate nanoparticles (Ag3PO4 NPs) are decorated on BiVO4 surface via a facile photodeposition Ag NPs, which subsequently oxidized into Ag3PO4 NPs photoelectrochemical...
Fe 3 O 4 and Dox do not affect the fluorescence of Cyanine 5.5 A3 conjugate can be effectively used in MR NIR-fluorescence tumor imaging.
The Po Nagar Towers (Thap Ba) complex, an iconic heritage site of Cham culture and a nationally recognized special relic, has stood in Nhatrang, Vietnam, for over thousand years. We report here preliminary analysis original ancient bricks from the using combination appropriate characterization techniques, including X-ray fluorescence (XRF), diffraction (XRD), Raman micro-spectroscopy, thermal dilatometry, compressive strength testing, water sorption. Mechanical properties firing temperatures...
The optical transitions in ensembles of colloidal CdSe-based quantum dots (QDs) have been systematically studied as a function the net QDs’ polarity/polarization and solvent’s polarity. While general trend observed for all QD systems dispersed different solvents is similar, spectral shifts are more pronounced core QDs than core/shell structures. Our results can be rationalized by taking account electric field experienced that from their effective polarization polarities (quantum confined...