- Advanced Photocatalysis Techniques
- Copper-based nanomaterials and applications
- TiO2 Photocatalysis and Solar Cells
- Force Microscopy Techniques and Applications
- Quantum Dots Synthesis And Properties
- Metal-Organic Frameworks: Synthesis and Applications
- Laser-Ablation Synthesis of Nanoparticles
- Polymer crystallization and properties
- Electrodeposition and Electroless Coatings
- Carbon Nanotubes in Composites
- Ga2O3 and related materials
- Gold and Silver Nanoparticles Synthesis and Applications
- Nonlocal and gradient elasticity in micro/nano structures
- Nanomaterials for catalytic reactions
- Advanced Machining and Optimization Techniques
- Advanced materials and composites
- Electrocatalysts for Energy Conversion
- Hydrogen Storage and Materials
- Semiconductor materials and interfaces
- Advanced battery technologies research
- Multiferroics and related materials
- Mechanical and Optical Resonators
- Ammonia Synthesis and Nitrogen Reduction
- Chalcogenide Semiconductor Thin Films
- Advanced Surface Polishing Techniques
Shanghai Institute for Science of Science
2025
Institute of Science Tokyo
2025
Tokyo Institute of Technology
2022-2024
National Yang Ming Chiao Tung University
2018-2022
In this work, we demonstrated the practical use of Au@Cu2O core-shell and Au@Cu2Se yolk-shell nanocrystals as photocatalysts in photoelectrochemical (PEC) water splitting photocatalytic hydrogen (H2) production. The samples were prepared by conducting a sequential ion-exchange reaction on nanocrystal template. displayed enhanced charge separation Au core yolk can attract photoexcited electrons from Cu2O Cu2Se shells. localized surface plasmon resonance (LSPR) Au, other hand, facilitate...
This study presents the synthesis and characterization of Au nanoparticle-decorated BiFeO3 (Au-BiFeO3) nanocrystals fabricated by a hydrothermal technique. The key focus is augmented photocatalytic properties these for effective photodegradation methylene blue (MB), common industrial dye. magnetic Au-BiFeO3 merely differ from those BiFeO3. decoration nanoparticles onto introduces heterojunction structures that lead to charge-carrier separation under illumination. Time-resolved...
With the escalating demand for clean and sustainable energy sources, hydrogen emerges as a paramount contender, necessitating efficient innovative production methods of water splitting. This review ventures into burgeoning field yolk@shell nanostructures their pivotal role in advancing splitting technologies. The synthesis, unique properties, multifaceted applications across electrocatalytic (EC), photocatalytic (PC), photoelectrocatalytic (PEC) processes are evaluated. We start with brief...
In recent years, yolk–shell nanocrystals have become the spotlight of research worldwide because fascinating structural properties such as a permeable shell, an interior void space, and movable yolk. Numerous studies reported various compositions nanocrystals. Among them, comprising metal yolk semiconductor shells are particularly interesting they can be geared to mass transport-related utilizations, for example, photocatalysis. We sequential ion-exchange process prepare metal–semiconductor...
The COVID‐19 pandemic has underscored the paramount importance of maintaining clean and safe environments. Strengthening environmental purification measures is pivotal for better preparedness resilience against future health crises. Photocatalytic fibers, due to their versatility adaptability various application scenarios, play a role in field purification. In this perspective, light shed on advancements employing photocatalytic fibers tackle issues encompassing dye degradation, antibiotics...
Wastewater containing synthetic dyes has caused a significant risk to the environment and human health. Among various methods treat wastewater, photocatalysis recommends itself as particularly efficient tool for removal of from industrial effluents. In this work, [email protected]2O protected] nanocrystals with controllable shell thicknesses 38.1 ± 2.8 ([email protected]2O-2), 48.1 3.7 protected]2O-3) 59.1 4.1 nm have been prepared immobilized on polyethylene terephthalate (PET) fabrics...
In this study, the strain rate dependence in yield strengths of electrodeposited gold micro-pillars is evaluated for design movable components MEMS devices. The are fabricated from by focused ion beam system. quantified sensitivity, and sensitivity calculated strength obtained compression tests having different sizes at rates. An increase following a reduction pillar size observed, which sample effect. Also, weakening observed decrease rate, dependence, found be roughly 0.03.
Gold is a promising material for movable components in MEMS devices by the high mass density, which allows reduction of Brownian noise. Mechanical properties metallic materials are known to be affected sample size effect. When bending test utilized, geometry effect another factor. In this study, effects shape cross-section, or cross-sectional effect, evaluated using micro-cantilevers with trapezoidal cross-section. The yield stresses ranged from 112 MPa 185 composed single crystalline gold,...
This study reports on the use of supercritical CO2 (scCO2) for metallization ultrahigh-molecular-weight polyethylene (UHMW-PE) filaments, which are used as functional components in weavable devices. UHMW-PE is well known its chemical and impact resistance, making it suitable bulletproof clothing shields. However, resistance poses a challenge metallization. By utilizing scCO2 solvent catalyzation process, uniform defect-free layer Ni-P successfully deposited filaments. The deposition rate...
Ni–W alloys have received considerable interest as a promising structural material for microelectromechanical systems (MEMS) due to their exceptional properties, including hardness, ductility, corrosion resistance, and thermal stability. However, the electrodeposition of in MEMS fabrication process achieve intact structures with thickness several tens micrometers is challenging occurrence cracking caused by side reactions internal stresses during process. To address this issue, our focus was...
Combining semiconductor nanocrystals with metal particles has proven as a useful approach of improving the photocatalytic activity. On other hand, yolk@shell interior, void space can provide large surface area and homogeneous environment for reactant molecules, both which are favorable catalytic applications. In this work, Au@Cd1-xZnxSe tunable compositions (x values) were prepared used hydrogen generation. The enhanced activity was attributed to pronounced charge separation induced by Au...