A5011465210- Advanced Sensor and Energy Harvesting Materials
- Acoustic Wave Resonator Technologies
- Conducting polymers and applications
- Innovative Energy Harvesting Technologies
- Mechanical and Optical Resonators
- Advanced MEMS and NEMS Technologies
- Advanced biosensing and bioanalysis techniques
- Supercapacitor Materials and Fabrication
- Tactile and Sensory Interactions
- Energy Harvesting in Wireless Networks
- Plasmonic and Surface Plasmon Research
- Photonic and Optical Devices
- Gold and Silver Nanoparticles Synthesis and Applications
- Optical Coherence Tomography Applications
- Gas Sensing Nanomaterials and Sensors
- Ultrasonics and Acoustic Wave Propagation
- Biosensors and Analytical Detection
- Advanced Fiber Optic Sensors
- Ferroelectric and Piezoelectric Materials
- Metamaterials and Metasurfaces Applications
- Muscle activation and electromyography studies
- Graphene research and applications
- Luminescence and Fluorescent Materials
- Polydiacetylene-based materials and applications
- Electrowetting and Microfluidic Technologies
Chongqing University
2016-2025
Chongqing University of Technology
2015-2025
Beijing Tsinghua Chang Gung Hospital
2024
Tsinghua University
2024
China Electric Power Research Institute
2017-2023
California Institute for Biomedical Research
2023
Army Medical University
2019
Southwest Hospital
2019
University of Electronic Science and Technology of China
2018-2019
Agency for Science, Technology and Research
2010-2018
Sensors based on triboelectric nanogenerators (TENGs) have gained worldwide interest owing to their advantages of low cost and self-powering. However, the detection most vibration sensors (TVS) is restricted frequency, whereas high-frequency signals are successfully measured in recent studies; sensitivity still requires improvement. Hence, a highly sensitive sensor TENG (HSVS-TENG) with ultrawide frequency response presented. This study first introduce quasi-zero stiffness structure into...
A triboelectric generator (TEG) for scavenging flow-driven mechanical -energy to directly power a wireless sensor node is demonstrated the first time. The output performances of TEGs with different dimensions are systematically investigated, indicating that largest about 3.7 mW one TEG can be achieved under an external load 3 MΩ.
Efficient scavenging the kinetic energy from air-flow represents a promising approach for obtaining clean, sustainable electricity. Here, we report an elasto-aerodynamics-driven triboelectric nanogenerator (TENG) based on contact electrification. The reported TENG consists of Kapton film with two Cu electrodes at each side, fixed ends in acrylic fluid channel. relationship between output power density and its channel dimensions is systematically studied. size 125 × 10 1.6 mm(3) delivers...
Simultaneous on-chip sensing of multiple greenhouse gases in a complex gas environment is highly desirable industry, agriculture, and meteorology, but remains challenging due to their ultralow concentrations mutual interference. Porous microstructure extremely high surface areas metal-organic frameworks (MOFs) provide both excellent adsorption selectivity affinity for multigas sensing. Herein, it described that integrating MOFs into multiresonant surface-enhanced infrared absorption (SEIRA)...
The growth of the chemical industry has brought tremendous challenges to sensing technology. Chemical sensors based on metamaterials have great potential because their label-free and non-destructive characteristics. However, applied in mainly been investigated from measurement sample concentration or determination dielectric properties at a fixed frequency. Here we present metamaterial integrated microfluidic (MIM) sensor for multi-band property chemicals, which is promising identification...
The formation of bacterial biofilms is a key factor in the emergence chronic infections due to strong resistance conventional antibiotics.
Surface-enhanced infrared absorption (SEIRA) spectroscopy is a powerful technique that overcomes the issue of low molecular cross-sections in spectroscopy. Due to collective oscillations electrons regime, SEIRA using resonant metamaterial provides greatly enhanced (up 107) electromagnetic fields extending up tens nanometers from metamaterial. The near-field enables spectroscopic analysis and ultrasensitive on-chip sensing molecules. This interesting characteristic has aroused widespread...
Abstract MicroRNAs play an important role in early development, cell proliferation, apoptosis, and death, are aberrantly expressed many types of cancers. To understand their function diagnose cancer at stage, it is crucial to quantitatively detect microRNA without invasive labels. Here, a plasmonic biosensor based on surface‐enhanced infrared absorption (SEIRA) for rapid, label‐free, ultrasensitive detection miR‐155 reported. This technology leverages metamaterial perfect absorbers...
Abstract The past few decades have witnessed the tremendous progress of human–machine interface (HMI) in communication, education, and manufacturing fields. However, due to signal acquisition devices’ limitations, research on HMI related communication aid applications for disabled is progressing slowly. Here, inspired by frogs’ croaking behavior, a bionic triboelectric nanogenerator (TENG)‐based ultra‐sensitive self‐powered electromechanical sensor muscle‐triggered application developed....
Tailoring light-matter interactions via plasmonic nanoantennas (PNAs) has emerged as a breakthrough technology for spectroscopic applications. The detuning between molecular vibrations and resonances, fundamental inevitable optical phenomenon in interactions, reduces the interaction efficiency, resulting weak molecule sensing signal at strong state. Here, it is demonstrated that low efficiency from can be tackled by overcoupled PNAs (OC-PNAs) with high ratio of radiative to intrinsic loss...
Abstract Triboelectric nanogenerators (TENGs) as a clean energy‐harvesting technology are experiencing significant growth in the pursuit of carbon neutrality, accompanied by increasing use environmentally friendly biomaterials. However, biomaterials exhibit inferior triboelectric properties compared with petro‐materials, hindering development bio‐based TENGs. Here, leveraging crystal boundary‐tuning strategy, we develop chitosan aerogel‐based TENG (CS‐TENG) that is capable delivering power...
Abstract The human voice stands out for its rich information transmission capabilities. However, communication is susceptible to interference from noisy environments and obstacles. Here, we propose a wearable wireless flexible skin-attached acoustic sensor (SAAS) capable of capturing the vibrations vocal organs skin movements, thereby enabling recognition human-machine interaction (HMI) in harsh environments. This system utilizes piezoelectric micromachined ultrasonic transducers (PMUT),...
Abstract The surface charge density and the output impedance of triboelectric nanogenerators (TENGs) are two critical factors for TENGs to speed up their commercialization, so it is important explore unique methods reduce increase density. Here, an approach demonstrated effectively boost performance TENG while reducing by utilizing grating‐electrode‐enabled plasmon excitation. A sustainable enhanced about 40 µA (short‐circuit current) 350 V (peak‐to‐peak voltage at a resistance 10 MΩ)...
Metamaterial absorbers have proven their ability to sense in the terahertz domain. However, sensitivity is always limited by poor spatial overlap between analyte and localized enhanced electromagnetic field. Here, we try tackle this challenge utilizing an absorber with a bilayer cross-shaped plate-hole structure ingeniously excite hot-spots covering analyte. As result, significantly improved, theoretically about 7 18 times higher than that of conventional its complementary absorber,...
Abstract The thickness of the sensitive layer has an important influence on sensitivity a shear horizontal surface acoustic wave (SH-SAW) biosensor with delay-line structure and lower numbers graphene produce better for biological detection. Therefore, label-free highly SH-SAW chemical vapor deposition (CVD-)-grown single-layered (SLG) endotoxin detection was developed in this study. With methodology, biosensors were fabricated 36° Y-90° X quartz substrate base frequency 246.2 MHz, effective...
Abstract Multifunctional chemical sensing is highly desirable in industry, agriculture, and environmental sciences, but remains challenging due to the diversity of substances reactions. Surface‐enhanced infrared absorption (SEIRA) spectroscopy can potentially address above problems by ultra‐sensitive detection molecular fingerprint vibrations. Here, a multifunctional platform based on dual‐resonant SEIRA device for sensitive on‐chip poly(ethyl cyanoacrylate) (PECA) reported. It...
The novel coronavirus (COVID-19) is spreading globally due to its super contagiousness, and the pandemic caused by it has serious damage health social economy of all countries in world. However, conventional diagnostic methods are not conducive large-scale screening early identification infected persons their long detection time. Therefore, there an urgent need develop a new COVID-19 test method that can deliver results real time on-site. In this work, we fast, ultra-sensitive,...