- Advanced Sensor and Energy Harvesting Materials
- Demographic Trends and Gender Preferences
- Conducting polymers and applications
- Graphene research and applications
- Intergenerational Family Dynamics and Caregiving
- Tactile and Sensory Interactions
- Technology and Human Factors in Education and Health
- Dengue and Mosquito Control Research
- Muscle activation and electromyography studies
- Supercapacitor Materials and Fabrication
- Synthesis and properties of polymers
- Graphene and Nanomaterials Applications
- Mesoporous Materials and Catalysis
- Insurance, Mortality, Demography, Risk Management
- Innovative Energy Harvesting Technologies
- Discourse Analysis and Cultural Communication
- Photonic and Optical Devices
- Zeolite Catalysis and Synthesis
- Neuroscience and Neural Engineering
- Advanced Materials and Mechanics
- Optical Coatings and Gratings
- Silicone and Siloxane Chemistry
- Carbon and Quantum Dots Applications
- Hand Gesture Recognition Systems
- Layered Double Hydroxides Synthesis and Applications
Tsinghua University
2018-2024
Institute of Microelectronics
2018-2024
Huazhong University of Science and Technology
2022
Center for Information Technology
2019
University of Guelph
2014
CPC Heilongjiang Provincial Committee Party School
2008
Jilin University
2005
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
2005
Gansu Academy of Agricultural Sciences
2004
Institute of Plant Protection
2004
Due to its excellent flexibility, graphene has an important application prospect in epidermal electronic sensors. However, there are drawbacks current devices, such as sensitivity, range, lamination, and artistry. In this work, we have demonstrated a multilayer skin based on laser scribing graphene, whose patterns programmable. A process been developed remove the unreduced oxide. This method makes not only transferable butterflies, human bodies, any other objects inseparably elegantly,...
The flexible pressure sensor is one of the essential components wearable device, which a critical solution to applications artificial intelligence and human–computer interactions in future. Due its simple manufacturing process measurement methods, research related piezoresistive mechanical sensors booming, those are already widely used industry. However, existing almost all based on negative resistance variations, making it difficult reach balance between sensitivity detection range. Here,...
Most mute people cannot speak due to their vocal cord lesion. Herein, assist "speak", we proposed a wearable skinlike ultrasensitive artificial graphene throat (WAGT) that integrated both sound/motion detection and sound emission in single device. In this work, the growth patterning of can be realized at same time, thin poly(vinyl alcohol) film with laser-scribed was obtained by water-assisted transferring process. virtue low-resistant substrate, WAGT has high sensitivity (relative...
Textiles are materials that extensively used in everyday life; textile-based sensors can, therefore, be regarded as ideal devices for a health monitor. However, previously reported textile have limited prospects due to their single function or incompatibility. Traditional generally focus on signal detection, which has not been able combined with an actuator provide real-time status feedback. Thus, date, there no well-established monitoring systems based intelligent textiles. Herein, we...
MXenes have attracted great attention for their potential applications in electrochemical and electronic devices due to excellent characteristics. Traditional sound sources based on the thermoacoustic effect demonstrated that a conductor needs an extremely low heat capacity high thermal conductivity. Hence, thin MXene film with per unit area (HCPUA) special layered structure is emerging as promising candidate build loudspeakers. However, use of source device has not been explored. Herein, we...
Current wearable sensors are fabricated with substrates, which limits the comfort, flexibility, stretchability, and induces interface mismatch. In addition, substrate prevents evaporation of sweat is harmful to skin health. this work, we have enabled substrate-free laser scribed graphene (SFG) electronic (e-skin) multifunctions. Compared e-skin substrate, SFG has good gas permeability, low impedance, flexibility. Only assisted using water, can be transferred almost any objects including...
Automatic speech recognition (ASR) is helpful to improve quality of life. However, the performance ASR degrades in case noisy environment, limited privacy, and disorders. Herein, we analyze generation mechanism utilize dual-biological-channel for recognition. We also propose a dual-channel graphene-based electromyographic (EMG) mechanical sensor (DGEMS) that can simultaneously collect two bio-signals at same point. The EMG electrodes have better compared with commercial electrodes, sensors...
In recent years, flexible light-emitting devices (LEDs) have become the main focus in field of display technology. Graphene, a two-dimensional layered material, has attracted great interest LEDs due to its excellent properties. However, there are many problems such as efficiency, lifetime, and flexibility not well solved. Herein, we successfully prepared LED using laser-induced reduced graphene oxide (LIRGO). The LIRGO achieves luminescence lifetime over 60 hours wall plug efficiency up 1.4%...
Graphene with excellent electronic, thermal, optical, and mechanical properties has great potential applications. The current devices based on graphene grown by micromechanical exfoliation, chemical vapor deposition (CVD), thermal decomposition of silicon carbide are still expensive inefficient. Laser scribing technology, a low-cost time-efficient method fabricating graphene, is introduced in this review. patterning can be directly performed solid flexible substrates. Therefore, many novel...
We demonstrate a novel strategy for the preparation of mesoporous silica-supported, highly dispersed, stable metal and bimetal nanoparticles with both size site control. The supporting silica, functionalized by polyaminoamine (PAMAM) dendrimers, is prepared repeated Michael addition methyl acrylates (MA) amidation reaction ethylenediamine (EDA), using aminopropyl-functionalized silica as starting material. encapsulation within dendrimer-propagated achieved chemical reduction...
Zoom metalens doublet exhibits unprecedented advantages over the traditional zoom lens in many aspects, like ultra-compactness, CMOS compatibility, and miniaturization. However, most of them can only work a narrow band due to chromatic aberration. Here, we numerically demonstrate broadband achromatic inspired by Moir\'e principle. This design is achieved globally optimizing multi-wavelength phase profiles visible. The achieve continuous 1-10 range at wavelengths 440 nm, 540 640 featuring...
Graphene has good electrical properties, flexibility, and biocompatibility, making it an ideal material to monitor electrocardiogram (ECG) signals. However, the production cost feasibility of large-scale limit application graphene electrodes. Here, we demonstrate a roll-to-roll (R2R) method transfer grown by open-R2R chemical vapor deposition onto ethylene vinyl acetate/polyethylene terephthalate (EVA/PET) substrate make non-disposable ECG This can produce continuous graphene/EVA/PET film...
Graphene is an excellent two-dimensional (2D) material and can be deployed as sound emitters based on electrical thermoacoustic effect (ETA). Traditional graphene-based ETA emitter renders ineffective audio quality in low frequency range due to its small output magnitude large total harmonic distortion. Here we propose a packaging method that boosts from 58 dB 70 at 5 kHz well fully digital operation eliminates major source of distortion down 2.29%. Besides, Bluetooth module applied extend...
Ultrasound imaging is an effective method for noninvasive examination of both biological and non-biological structures. As the core parts ultrasound imaging, existing medical probes consist bulky piezoelectric ceramics. And development direction ultrasonic decrease in probe volume increase resolution. However, it hard conventional to follow this trend. In report, some novel micromachined transducer (pMUT) arrays nondestructive evaluation are introduced. PZT chosen as material due its high...
<h2>Summary</h2> Recent advancements in flexible strain sensors utilizing nanomaterials and advanced carbon materials have showcased remarkable sensitivity, promising vast application potential. However, achieving a superior gauge factor (GF) with exceptional outstanding stability at controllable range is still critical challenge. We introduce the "soft break mechanism," which enables reversible resistance switching through graphene interlayer displacement rGO laminate (CPLs) distance...
Graphene is a promising material for thermoacoustic sources due to its extremely low heat capacity per unit area and high thermal conductivity. However, current graphene devices have limited device relatively cost, which limit their applications of daily use. Here, we adopt dip-coating method fabricate large-scale cost-effective sound source. This source has the three-dimensional (3D) porous structure that can increase contact between air, thus assisting release into air. In this method,...