Highly uniform Fe3O4/SiO2 core/shell nanoparticles functionalized by phosphorescent iridium complexes (Ir) have been strategically designed and synthesized. The Fe3O4/SiO2(Ir) nanocomposite demonstrates its versatility in various applications: the magnetic core provides capability for resonance imaging great enhancement of spin-orbit coupling complex makes it well suited labeling simultaneous singlet oxygen generation to induce apoptosis.

A multiple degrees of freedom prosthetic hand, NTU Hand, was developed in our laboratory. The paper focuses on the development a myoelectric discrimination system for multi-degree hand. uses two surface electrodes to acquire electromyography (EMG) signal from flexor digitorum superficialis muscle and extensor pollicis brevis muscle. Since eight types hand movements, such as three-jaw chuck, lateral hook grasp, power cylindrical centralized grip, flattened wrist flexion are often used daily...

A novel nanocomposite device, which consists of liquid crystals and semiconductor nanorods, has been designed fabricated. It reveals a very unique useful behavior in that the polarization emission from nanorods can be controlled by an external bias. The large magnitude anisotropy 0.63 quantitatively interpreted well terms dielectric contrast between crystal. Our approach is quite general, applicable to other nanomaterials, it utilizes currently mature crystal display technology. results open...

A novel molecular thermometer with ratiometric fluorescence readout was designed and synthesized. Within a sensing temperature range of 33 to 41 °C, the color nanothermometer changes from blue green. The change magnitude is about 8.7-fold, rendering visual differentiation by naked eyes feasible.

Several biological processes involve glycans, yet understanding their ligand specificities is impeded by inherent diversity and difficult acquisition. Generating broad synthetic sugar libraries for bioevaluations a powerful tool in unraveling glycan structural information. In the case of widely distributed heparan sulfate (HS), however, 48 theoretical possibilities its repeating disaccharide call approaches that should minimize effort an undoubtedly huge undertaking. Here we employed...

Abstract A supercritical carbon dioxide (SCCO 2 ) fluid, characterized by gas‐like diffusivity, near‐zero surface tension, and excellent mass transfer properties, is used as a precursor to produce silicon oxycarbide (SiOC) coating. SCCO disperses reacts with Si particles form an interfacial layer consisting of Si, O, C. After 850 °C annealing process, conformal SiOC coating forms, resulting in core‐shell Si@SiOC particles. High‐resolution transmission electron microscopy its X‐ray line‐scan...

Abstract The development of high‐energy‐density and high‐safety lithium‐ion batteries requires advancements in electrolytes. This study proposes a high‐entropy ionic liquid/ether composite electrolyte, which is composed N ‐propyl‐ ‐methylpyrrolidinium bis(trifluoromethanesulfonyl)imide (PMP–TFSI) liquid, dimethoxymethane (DME), lithium difluoro(oxalato)borate (LiDFOB), fluoroethylene carbonate (FEC), 1,1,2,2‐tetrafluoroethyl‐2,2,3,3‐tetrafluoropropyl ether (TTE). In this unique coordination...

One single material that emits white light is of paramount interest for the development light-emitting diodes (WLEDs). Here we report a novel nanocomposite, in which new type excited-sate intramolecular proton transfer (ESIPT) molecule, namely 5-(1,2-dithiolan-3-yl)-N-(2-{[4-(3-hydroxy-4-oxo-4H-chromen-2-yl)phenyl](methyl)amino}ethyl)pentanamide (HF-N-LA), anchored onto surface ultrasmall CdSe quantum dots through dithiol functionality. Authentic with CIE coordinate (0.33, 0.33) could then...

Atomically thin transition metal dichalcogenides (TMDC) have received much attention due to their wide variety of optical and electronic properties. Among various TMDC materials, molybdenum disulfide (MoS2) has been intensely studied owing its potential applications in nanoelectronics optoelectronics. However, two-dimensional MoS2 photodetectors suffer from low responsivity cross section. Combining with plasmonic nanostructures can drastically increase scattering section enhance local...

The proposed line voltage recovery (LVR) and the total harmonic distortion improvement (THDI) technique improve power factor (PF) (THD) over a wide range in boundary conduction mode controlled corrector (PFC). LVR detects input root-mean-square to generate digital equivalent code THDI for optimizing THD by tuning on-time value at different voltages. In addition, provide feedforward path reduce ripple of feedback further improving THD. Therefore, PFC controller can keep high PF low voltage....

The proposed perturbation on-time technique suppresses total harmonic distortion (THD) and, thus, improves the power factor in correction (PFC) controller. Besides, adaptive control of minimum off time by inhibit can improve efficiency even at low ac input voltage. Therefore, highly integrated PFC converter fabricated TSMC 800-V ultrahigh voltage process achieve THD 6%, high PF 99%, and 95% output 90 W.

A novel strategy to prepare zirconium phosphate/Nafion nanocomposite proton exchange membrane (PEM) from exfoliated phosphate and Nafion solution was proposed investigated. It found that could be well-dispersed disorderly in the membrane. Compared neat 117 thin film, methanol permeability reduced by 77% while conductivity only decreased 7% with 3 wt % phosphate. Results obtained also showed addition of increase thermal stability PEM.

Via a facile, one-pot solvothermal synthesis, highly uniform FePt/Fe3O4 core-shell nanoparticles are successfully developed, which further demonstrates their superiority in the MR imaging of living cells.

The traffic demand is increasing drastically, and millimeter wave (mmWave) bands have the potential to offer much higher throughput due broad spectrum. We two main contribution under urban NLOS mmWave cellular system. First, an orthogonality concept used in spatial-time domain resource allocation perform scheduling, which gives consideration fairness. Second, we focus on mac layer design that can deal with inter-cell interference at same time. proposed a mechanism allow some cooperation...

Abstract A novel reaction‐based cross‐linked polymeric nanoprobe with a self‐calibrating ratiometric fluorescence readout to selectively detect H 2 O is reported. The fabricated by using hydrophobic ‐reactive boronic ester groups, crosslinker units, and environmentally sensitive 3‐hydroxyflavone fluorophores through miniemulsion polymerization. On treatment , the esters in polymer are cleaved form hydrophilic alcohols subsequently lead hydrophobic–hydrophilic transition. Covalently linked...

The proposed triple loop modulation (TLM) can ensure reliability of the power factor correction (PFC) system due to improvement transient response. In conventional design, low bandwidth less than 20 Hz that rejects ac source 60/120 coupling deteriorates in case output load variation. Contrarily, TLM automatically adjust rapidly increase or decrease inductor current shorten response time. Besides, steady state, stability be guaranteed by low-frequency compensation pole without being affected...

Abstract Owing to their excellent carrier mobility, high absorption coefficient, exceptional quantum efficiency, and low‐cost solution processability, perovskite dots (PQDs) are a promising candidate for photodetection. However, PQDs‐based photodetectors typically show poor optoelectronic performances, mainly limited by weak light–matter interaction. In this work, MAPbBr 3 PQDs hybridized with graphene (Gr) morphologically controlled plasmonic gold nanocrystals (AuNCs) demonstrate superior...

This paper will design a resource allocation algorithm, mainly on downlink transmission by Base Station (BS) to User Equipments (UEs) implemented using directional antenna. The is accomplished Pair-Wisely Bottom-Up (PWBU) approach, targeting time-efficient based o

The dc characteristics of an interesting InP-InGaAs heterojunction bipolar transistor (HBT) with a superlattice (SL) structure incorporated in the base-collector (B-C) junction are demonstrated. In SL structure, holes injected from collector collide confined and impact them out across valence-band discontinuities. With collector-emitter (C-E) voltage V/sub CE/ less than C-E breakdown BV/sub CE0/, current gain can be increased at base-current inputs because released inject into base to cause...

The paper presented the perturbation on-time (POT) control technique to suppress total harmonic distortion (THD) improve performance of power factor correction (PFC) in AC-DC converter. Simultaneously, it can efficiency through proposed inhibit time (ITC) mechanism at low AC input voltage. test circuit fabricated TSMC 800V UHV process show highly-integrated PFC controller. Experimental results demonstrate THD 8%, which high PF 99%. Besides, 95% be ensured output 90W.