A5104108741- Advancements in Battery Materials
- High Entropy Alloys Studies
- Advanced Battery Materials and Technologies
- Advanced Battery Technologies Research
- Advanced Materials Characterization Techniques
- Supercapacitor Materials and Fabrication
- Thin-Film Transistor Technologies
- Electrocatalysts for Energy Conversion
- Semiconductor materials and devices
- nanoparticles nucleation surface interactions
- Organic Electronics and Photovoltaics
- Advancements in Semiconductor Devices and Circuit Design
- Force Microscopy Techniques and Applications
- Laser-Ablation Synthesis of Nanoparticles
- Analytical Chemistry and Sensors
- High-Temperature Coating Behaviors
- Radio Frequency Integrated Circuit Design
- Copper-based nanomaterials and applications
- 2D Materials and Applications
- Nonlinear Optical Materials Studies
- Catalytic Processes in Materials Science
- MXene and MAX Phase Materials
- Graphene research and applications
- Polymer Surface Interaction Studies
- Hydrogen's biological and therapeutic effects
National Tsing Hua University
1996-2024
National Cheng Kung University
2023
National Hsinchu University of Education
2015-2018
National Taipei University of Technology
2012-2017
Feng Chia University
2014
I-Shou University
2010-2012
Far East University
2009
Taiwan Semiconductor Manufacturing Company (Taiwan)
2002-2004
National Yang Ming Chiao Tung University
2003
New Jersey Institute of Technology
1981
High-entropy alloy (HEA) nanocrystals have attracted extensive attention in catalysis. However, there are no effective strategies for synthesizing them a controllable and predictable manner. With quinary HEA made of platinum-group metals as an example, we demonstrate that their structures with spatial compositions can be predicted by quantitatively knowing the reduction kinetics metal precursors entropy mixing under dropwise addition five-metal precursor solution. The time to reach steady...
We report a catalyst family of high-entropy alloy (HEA) atomic layers having three elements from iron-group metals (IGMs) and two platinum-group (PGMs). Ten distinct quinary compositions IGM-PGM-HEA with precisely controlled square arrangements are used to explore their impact on hydrogen evolution reaction (HER) oxidation (HOR). The PtRuFeCoNi perform enhanced catalytic activity durability toward HER HOR when benchmarked against the other commercial Pt/C catalysts. Operando synchrotron...
To improve the kinetic performance of LiMn<sub>0.8</sub>Fe<sub>0.2</sub>PO<sub>4</sub>, a facile and controllable non-stoichiometric one-pot stepwise feeding solvothermal approach is successfully developed for preparing nickel-doped LiMn<sub>0.8</sub>Fe<sub>0.2</sub>PO<sub>4</sub> nanosheets.
Transition-metal dichalcogenides (TMDs), a two-dimensional (2D) nanostructured material, has, to greater extent, technological applications in catalysis, sensors, lithium-ion batteries, and optoelectronic devices due their unique structure electrical properties. Recently, the 2D TMD tungsten disulfide (WS2) has been regarded as one of most promising anode candidates for batteries. However, exploration WS2 sheets with 1T metallic phase still remains prodigious challenge improve its...
Abstract Atomic Force Microscopy (AFM) and Scanning Electron (SEM) were used to investigate the surface structure morphology of 10,000, 30,000, 100,000 dalton molecular weight cutoff (MWCO) polyethersulfone (PES) ultrafiltration membranes, results are compared. Although both approaches reveal pore in 30,000 MWCO diameters derived from SEM smaller than those measured by AFM. This discrepancy is a result diminution dimensions during sample preparation for SEM, that is, solvent exchange...
A uniform 3D interconnected conductive carbon network modified LiMn<sub>0.8</sub>Fe<sub>0.2</sub>PO<sub>4</sub> micro agglomerate was synthesized <italic>via</italic> three-step solid-state method combined with carburizing and two-step pore-forming.
A series of star-shaped multi-polar chromophores (compounds 1-3) containing functionalized quinoxaline and quinoxalinoid (indenoquinoxaline pyridopyrazine) units has been synthesized characterized for their two-photon absorption (2PA) properties both in the femtosecond nanosecond time domain. Under our experimental conditions, these model fluorophores are found to manifest strong wide-dispersed near-infrared region. It is demonstrated that molecular structures with multi-branched π...
Accelerating the alkaline hydrogen evolution reaction (HER), which involves slow cleavage of HO-H bonds and adsorption/desorption (H*) hydroxyl (OH*) intermediates, requires developing catalysts with optimal binding strengths for these intermediates. Here, unconventional hexagonal close-packed (HCP) high-entropy alloy (HEA) atomic layers are prepared composed five platinum-group metals to enhance HER synergistically. The breakthrough is made by layer-by-layer heteroepitaxial deposition...
Multi-walled carbon-nanotube (MWCNT)-decorated WTe2 nanostars (WTe2@CNT nanocomposites) are to be employed for the first time as anode candidates in development of lithium-ion (Li-ion) batteries. WTe2@CNT nanocomposites deliver a high discharge capacity 1097, 475, 439, 408, 395 and 381 mA h g-1 with an increasing current density 100, 200, 400, 600, 800 1000 g-1, respectively, while exhibit reversible 655, 402, 362, 290 197 aforementioned densities. Furthermore, superior 592 at 500 retention...
Abstract The surface topography and pore structure of ultrafiltration membranes can be investigated with atomic force microscopy. In this study, it was found that the substitution ethanol for water as immersion medium improved resolution fine 10K polyethersulfone membranes. Pores in membrane from 7 to 9 nm diameter were measured, which coincides range expected 10,000 molecular weight cutoff (MWCO) It is believed image enhancement results increased damping concomitant noise reduction...
Abstract A set of small star‐shaped chromophores composed three fluorene‐based congeners have been synthesized and shown experimentally to possess strong widely dispersed two‐photon absorptivities in the visible near‐IR region under irradiation femtosecond nanosecond laser pulses. In addition, number electron‐donating fluorenyl units incorporated final structure was closely connected molecular activities these model compounds. Effective optical power attenuation stabilization behaviors dye...
Abstract The multiple input output (MIMO) antenna consists of two printed inverted‐F antennas whose interelement distance is 7 mm. isolation the MIMO improved since ground plane modified to achieve a pattern diversity effect. measurement results, such as impedance bandwidth, mutual coupling coefficient, radiation were identified having good performance. further evaluated with an evaluation criterion that includes correlation coefficient and gain, results indicate successful All demonstrate...
The crystal phase with a specific stacking sequence of atoms largely affects the catalytic performance metal nanocrystals. Since control at same composition is extremely difficult, phase-dependent nanocrystals studied rarely. Here, we show synthesis Ru different percentages face-centered cubic (FCC) and hexagonal close-packed (HCP) phases via kinetic control, further revealing quantitative correlation between percentage initial reduction rate Ru(III) precursors. Specifically, manipulate...