A5071649958- Advanced Sensor and Energy Harvesting Materials
- Conducting polymers and applications
- Advanced Memory and Neural Computing
- Neuroscience and Neural Engineering
- Graphene research and applications
- 2D Materials and Applications
- Gas Sensing Nanomaterials and Sensors
- Muscle activation and electromyography studies
- Analytical Chemistry and Sensors
- Thermal properties of materials
- EEG and Brain-Computer Interfaces
- Tactile and Sensory Interactions
- Photonic and Optical Devices
- MXene and MAX Phase Materials
- Advanced Thermoelectric Materials and Devices
- Perovskite Materials and Applications
- Organic Electronics and Photovoltaics
- Advanced Photonic Communication Systems
- Polydiacetylene-based materials and applications
- Transition Metal Oxide Nanomaterials
- Photoreceptor and optogenetics research
- Chalcogenide Semiconductor Thin Films
- Ferroelectric and Negative Capacitance Devices
- Non-Invasive Vital Sign Monitoring
- Nanowire Synthesis and Applications
University of Chinese Academy of Sciences
2022-2024
Aerospace Information Research Institute
2022-2024
State Key Laboratory of Transducer Technology
2022-2024
Chinese Academy of Sciences
2022-2024
Tsinghua University
2018-2022
Institute of Microelectronics
2018-2022
Center for Information Technology
2019
Central South University
2016-2017
High-performance electromagnetic interference (EMI) shielding materials with ultralow density, excellent flexibility, and good mechanical properties are highly desirable for aerospace wearable electronics. Herein, honeycomb porous graphene (HPG) fabricated by laser scribing technology is reported EMI applications. Due to the structure, HPG exhibits an effectiveness (SE) up 45 dB at a thickness of 48.3 μm. The single-piece ultrahigh absolute (SSE/t) 240 123 cm2/g density 0.0388 g/cm3, which...
We report an artificial eardrum using acoustic sensor based on two-dimensional MXene (Ti3C2Tx), which mimics the function of a human for realizing voice detection and recognition. Using with large interlayer distance micropyramid polydimethylsiloxane arrays can enable two-stage amplification pressure sensing. The shows extremely high sensitivity 62 kPa-1 very low limit 0.1 Pa. Notably, benefiting from ultrasensitive eardrum, machine-learning algorithm real-time classification be realized...
Pressure sensors with high sensitivity, a wide linear range, and quick response time are critical for building an intelligent disease diagnosis system that directly detects recognizes pulse signals medical health applications. However, conventional pressure have limited sensitivity nonideal ranges. We proposed multichannel flexible perception array based on polyimide/multiwalled carbon nanotube–polydimethylsiloxane nanocomposite/polyimide (PI/MPN/PI) sandwich-structure sensor can be applied...
Realization of biological synapses using electronic devices is regarded as the basic building blocks for neuromorphic engineering and artificial neural network. With advantages biocompatibility, low cost, flexibility, compatible with printing roll-to-roll processes, synapse based on organic transistor great interest. In this paper, simulation by ion-gel gated field-effect transistors (FETs) poly(3-hexylthiophene) (P3HT) active channel demonstrated. Key features synaptic behaviors, such...
Single-crystal (SC) perovskite is currently a promising material due to its high quantum efficiency and long diffusion length. However, the reported photodetection range (<800 nm) response time (>10 μs) are still limited. Here, promote development of perovskite-integrated optoelectronic devices, this work demonstrates wider shorter photodetector by integrating SC CH3NH3PbBr3 (MAPbBr3) on silicon (Si). The Si/MAPbBr3 heterojunction with an improved interface exhibits high-speed,...
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...
Pb-free perovskite material is considered to be a promising utilized in next-generation X-ray detectors due its high absorption coefficient, decent carrier transport properties, and relatively low toxicity. However, the pixelation of with an industry-level photolithography processing method remains challenging poor structural stability. Herein, we use Cs2AgBiBr6 as prototype investigate interaction photolithographic polar solvents. Inspired by that, propose wafer-scale patterning method,...
Abstract Transistors are getting close to their physical limitation, and complex chip design technologies have made the hotspot problem more serious. Graphene hBN, as representative 2D semi‐metal dielectric materials, possess excellent thermal conductivities. Intrinsic film composite materials been investigated, showing great potential for next‐generation thermal‐management materials. There products that already commercialized based on graphene but many companies seem be sitting fence,...
High‐performance organic heterojunction phototransistors are fabricated using highly ordered copper phthalocyanine (CuPc) and para ‐sexiphenyl ( p ‐6P) thin films. The ‐6P film plays an important role on the performance of CuPc/ phototransistors. It acts as a molecular template layer to induce growth CuPc film, which dramatically improves charge transport decreases grain boundaries. On other hand, can form effective with is greatly helpful enhance light absorption photogenerated carriers....
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...
The cortisol in human body is a crucial biomarker terms of wellness management, mental state monitoring and stress-related disorder diagnosis. Therefore, the rapid, reliable facile measurement concentration has attracted extensive research interest. However, traditional detection such as immunosensing requires demanding laboratory layout, lengthy procedures high costs, which means, consequently, it incompatible with current goal sensing. Given contradiction, an electrochemical sensor based...
CdS heterostructure nanomaterials are attractive for their potential applications in integrated optoelectronic devices. Herein, the high-quality CdS/CdS:SnS2 superlattice nanowires were synthesized through a micro-environmental controlled co-evaporation technique, which shows periodic emission properties and that structures alternating. For first time, we demonstrate fabrication of high-performance ultraviolet photodetectors using unique nanowires. The studied compared to those devices based...
Synaptic transistors coupled by proton neurotransmitters with a multiple in-plane gate structure were fabricated for the first time using silicon oxide nanowires.
There is a growing need for developing machine learning applications. However, implementation of the algorithm consumes huge number transistors or memory devices on-chip. Developing capability in single device has so far remained elusive. Here, we build Markov chain based on native oxide two dimensional multilayer tin selenide. After probing electrical transport vertical oxide/tin selenide/tin heterostructures, sudden current jumps are observed during set and reset processes. Furthermore,...
Thermoacoustic (TA) effect has been discovered for more than 130 years. However, limited by the material characteristics, performance of a TA sound source could not be compared with magnetoelectric and piezoelectric loudspeakers. Recently, graphene, two-dimensional lowest heat capacity per unit area, was to have good performance. Compared traditional source, graphene sources (GTASSs) many advantages, such as small volume, no diaphragm vibration, wide frequency range, high transparency,...
Two-dimensional (2D) hybrid perovskite sandwiched between two long-chain organic layers is an emerging class of low-cost semiconductor materials with unique optical properties and improved moisture stability. Unlike conventional semiconductors, ion migration in a phenomenon possibly responsible for long carrier lifetime, current-voltage hysteresis, low-frequency giant dielectric response. While there are many studies bulk perovskite, not much known its 2D counterparts, especially induced by...
Inspired by the reinforced concrete structure, nanomesh-reinforced graphene pressure sensor (NRGPS) has been realized with ultra large linearity (1 MPa), high sensitivity (4.19 kPa −1 ), and excellent stability (more than 10 000 cycles).
Abstract Thermal energy conversion and utilization of integrated circuits is a very important research topic. Graphene new 2D material with superior electrical, mechanical, thermal, optical properties, which expected to continue Moore's law make breakthroughs in the direction “More than Moore.” Graphene‐based functionalized devices are applied various aspects, including thermal devices, due their high conductivity rectification. According coupling different physical quantities,...
Two-dimensional (2D) heterostructures show great potential in achieving negative differential resistance (NDR) effects by Esaki diodes and or resonant tunneling diodes. However, most of the reported diode-based NDR devices realized bulk 2D films lack sufficient gate tunability, tuning behavior from appearing to vanishing remains elusive. Here, a gate-tunable device is based on vertically stacked black phosphorus (BP) molybdenum disulfide (MoS2) thin heterojunction. At room temperature,...