A5038400993- Advanced Sensor and Energy Harvesting Materials
- Conducting polymers and applications
- Supercapacitor Materials and Fabrication
- Advanced battery technologies research
- Tactile and Sensory Interactions
- Electrospun Nanofibers in Biomedical Applications
- Gas Sensing Nanomaterials and Sensors
- Innovative Energy Harvesting Technologies
- ZnO doping and properties
- Advanced Sensor Technologies Research
- Muscle activation and electromyography studies
- Refrigeration and Air Conditioning Technologies
- Sensor Technology and Measurement Systems
- Electric and Hybrid Vehicle Technologies
- Heat Transfer and Boiling Studies
- Chalcogenide Semiconductor Thin Films
- Solar-Powered Water Purification Methods
- Mechanical and Optical Resonators
- Thermal properties of materials
- Advanced MEMS and NEMS Technologies
- Advanced Battery Technologies Research
- Nonlocal and gradient elasticity in micro/nano structures
- Gaze Tracking and Assistive Technology
- Interactive and Immersive Displays
- Layered Double Hydroxides Synthesis and Applications
Xi'an Jiaotong University
2018-2023
Yantai University
2022-2023
Abstract Accurate temperature measurements can efficiently solve numerous critical problems and provide key information. Herein, a flexible micro-three-dimensional sensor, with combination of platinum indium oxide to form thermocouples, is designed fabricated by microfabrication process achieve in situ real-time measurements. The stability reliability the sensor are greatly improved optimizing parameters, structural design, preparation methods. A novel structure better malleability designed,...
The integration of complex oxides with a wide spectrum functionalities on Si, Ge and flexible substrates is highly demanded for functional devices in information technology. We demonstrate the remote epitaxy BaTiO3 (BTO) using graphene intermediate layer, which forms prototype heterogeneous epitaxial systems. surface orientation dictates outcome epitaxy. Single crystalline BTO3-δ films were grown graphene/Ge (011), whereas (001) led to textured films. plays an important role passivation....
Abstract The development of excellently stretchable, highly mobile, and sustainable power supplies is great importance for self‐power wearable electronics. Transpiration‐driven hydrovoltaic generator (HPG) has been demonstrated to be a promising energy harvesting strategy with the advantages negative heat zero‐carbon emissions. Herein, this work demonstrates fiber‐based stretchable HPG high output, portability, knittability, generation. Based on functionalized micro‐nano water diffusion...
Abstract Flexible electronics have demonstrated various strategies to enhance the sensory ability for tactile perception and wearable physiological monitoring. Fibrous microstructures attracted much interest because of their excellent mechanical properties fabricability. Herein, a structurally robust fibrous mat was first fabricated by electrospinning, followed sequential process functionalization utilizing ultrasonication treatment in situ polymerization growth. Electrospun polyurethane...
Tactile sensors have been widely used in the areas of health monitoring and intelligent human-machine interface. Flexible tactile based on nanofiber mats made by electrospinning can meet requirements comfortability breathability for wearing body very well. Here, we developed a flexible self-powered sensor that was sandwich assembled electrospun organic electrodes piezoelectric layer. The metal-free thermal plastic polyurethane (PU) nanofibers decorated with multi-walled carbon nanotubes were...
Electrostatic nanogenerators or capacitive sensors that leverage electrostatic induction for power generation sensing, has attracted significant interests due to their simple structure, ease of fabrication, and high device stability. However, in order such devices work, an additional source a post-charging process is necessary activate the effect. In this nanogenerator fabricated using electrospun polystyrene (PS) mats dip-coated graphene oxide (GO) films as self-charged components. The...
Semiconductor-based gas sensors are of great interest in both industrial and research settings, but poor selectivity has hindered their further development. Current efforts including doping, surface modifications facet controlling have been proved effective. However, the “methods-selectivity” correlation is ambiguous because uncontrollable defects states during experiments. Here, as a case study, using DFT method, we studied adsorption features commonly tested gases—CH2O, H2, C2H5OH,...
Characteristics, such as large measurement range, good repeatability and stability, are the guarantee for a wide application of flexible three-dimensional force sensors in robots other smart devices. In this research, sensor is presented, whose structure includes force-sensitive cells, fixed under bump support layer, filled around cells. This setup allows to quickly recover, after released, ensure its excellent performance. The production method very simple has advantage large-scale low-cost...
In this work, to construct a sunlight-powered energy storage system, single wall carbon nanotubes (SWCNTs)-based symmetric micro-supercapacitors (MSCs) were fabricated by one-step, facile spraying method. The electrodes exhibited satisfactory conductivity with sheet resistance of 275 Ω/sq. Moreover, potassium hydroxide-poly(vinyl alcohol) (KOH-PVA) and phosphoric acid-nonionic surfactant liquid crystal (PA-NI LC) gel electrolytes prepared applied design all-solid-state MSC devices. Compared...
The ability of electrospun polyvinylidene fluoride (PVDF) fibers to produce piezoelectricity has been demonstrated for a while. Widespread applications PVDF as an energy conversion material, however, have not materialized due the random arrangement fabricated by traditional electrospinning. In this work, developed 3D electrospinning technique is utilized fabricate micro wall made up densely stacked in fiber-by-fiber manner. Results from X-ray diffraction (XRD) and Fourier transform infrared...
Herein, hybrid micro-supercapacitors (MSCs), consisting of positive CoNi layer double hydroxides (LDHs) decorated on carbon nanotubes (CoNi LDHs@CNTs) and negative CNT electrodes, were assembled by facile drop-coated electrodeposition methods. The as-fabricated MSCs optimized in view electrochemical performance, the LDHs-2@CNTs//CNT MSC exhibited a favorable performance was thus chosen to be candidate for device package. packaged demonstrated large areal capacitance 11.0 mF·cm-2 at current...
Electrospun-based ZnO granular nanofibers (GNFs), with the feature which are able to modulate energy band along axises of fibers, regarded as great candidates develop UV photodetectors high performance. However, when exposed air, oxygen absorption and desorption make devices suffer from sluggish response. Here, via an easy cost effective method polydimethylsiloxane (PDMS) coating, photo-response speed electrospun-based GNFs was enhanced by more than 10 <sup...
A flexible tactile sensor was proposed to measure the three-dimensional forces. The consisted of a bump structure, top and bottom electrodes, piezoelectric sensitive layer substrate layer. electrodes were prepared by lift-off process. When force applied, four under structure would collect different charge signals, which can be detected electric current variations. In experiments, when forces range from 0 10N with angles applied best non-linearity 1.89%. This could used in intelligent...
A novel microsensor has been designed for the measurement of thermal conductivity fluids based on three omega (3ω) method. First, we theoretically analyzed heat conduction using 3ω method to demonstrate mechanism measure a fluid. For main structure microsensor, heater was supported by thin dielectric layers. In order obtain optimal parameters, used finite element simulate working condition microsensor. simulation model, effects thicknesses and layers λ fluid were analyzed. The results...
Herein, a novel conductive poly(N-phenylglycine) (PNPG) polymer was successfully prepared, byin situelectrochemical polymerization method (+0.75 VversusAg/AgCl) for 10 min, on flexible stainless-steel plate coated with thin Au film (Au/SS) to serve as binder-free pseudocapacitive PNPG/Au/SS electrode energy storage devices. Compared the without coating, exhibited better electrochemical performance larger specific capacitance (495 F g-1at current density of 2 A g-1), higher rate and lower...
Smart gloves have played an increasingly important role in health monitoring, human-computer interaction and other fields. In order to make smart glove comfortable wear, a flexible was fabricated this paper. This kind of can obtain the magnitude distribution pressure palm bending degree five fingers by using corresponding signal acquisition system. According results displayed system, various parts gestures be judged. These conclusions provide references for subsequent analysis.
As the critical branch of wearable sensors, strain sensors with lightweight and high stretchability have been widely demanded in human gesture recognition robotics engineering. However, most cannot simultaneously satisfy requirements sensitivity a broad detection range, attributed to poor fixed connection commonly used sensing elements. Here, single-fiber structure composed polyurethane (PU) as stretchable core MXenes/Carbon nanotubes (CNTs) conductive shell was fabricated by wet spinning...