A5067976839- Supercapacitor Materials and Fabrication
- 2D Materials and Applications
- Advanced Sensor and Energy Harvesting Materials
- MXene and MAX Phase Materials
- Surface Modification and Superhydrophobicity
- Graphene research and applications
- Chalcogenide Semiconductor Thin Films
- Electrocatalysts for Energy Conversion
- Bone Tissue Engineering Materials
- Electrochemical sensors and biosensors
- Fluid Dynamics and Heat Transfer
- Nanowire Synthesis and Applications
- Extracellular vesicles in disease
- Solar-Powered Water Purification Methods
- Additive Manufacturing Materials and Processes
- Nanoplatforms for cancer theranostics
- Vagus Nerve Stimulation Research
- Electrochemical Analysis and Applications
- Fluid Dynamics and Thin Films
- Neural Networks and Reservoir Computing
- Photonic and Optical Devices
- Electrowetting and Microfluidic Technologies
- Metal and Thin Film Mechanics
- Laser-Ablation Synthesis of Nanoparticles
- Ultrasound and Hyperthermia Applications
City University of Hong Kong
2023-2025
Beijing Institute of Technology
2019-2024
Chongqing University of Technology
2022-2023
Hong Kong Polytechnic University
2023
Ultratransparent electrodes have attracted considerable attention in optoelectronics and energy technology. However, balancing storage capability transparency remains challenging. Herein, an situ strategy employing a temporally spatially shaped femtosecond laser is reported for photochemically synthesizing of MXene quantum dots (MQDs) uniformly attached to reduced graphene oxide (LRGO) with exceptional electrochemical capacitance ultrahigh transparency. The mechanism plasma dynamics the...
Micro-supercapacitors are promising miniaturized energy storage devices that have attracted considerable research interest. However, their widespread use is limited by inefficient microfabrication technologies and low density. Here, a flexible, designable micro-supercapacitor can be fabricated single pulse laser photonic-reduction stamping. A thousand spatially shaped pulses generated in one second, over 30,000 micro-supercapacitors produced within 10 minutes. The narrow gaps were dozens of...
Downsizing electrode architectures have significant potential for microscale energy storage devices. Asymmetric micro-supercapacitors play an essential role in various applications due to their high voltage window and density. However, efficient production sophisticated miniaturization of asymmetric remains challenging. Here, we develop a maskless ultrafast fabrication multitype micron-sized (10 × 10 μm2) via temporally spatially shaped femtosecond laser. MXene/1T-MoS2 can be integrated with...
Poly( l -lactic acid) (PLLA) is a widely used U.S. Food and Drug Administration–approved implantable biomaterial that also possesses strong piezoelectricity. However, the intrinsically low stability of its high-energy piezoelectric β phase random domain orientations associated with current synthesis approaches remain critical roadblock to practical applications. Here, we report an interfacial anchoring strategy for fabricating core/shell PLLA/glycine (Gly) nanofibers (NFs) by...
Bioelectronic medicine is a rapidly growing field where targeted electrical signals can act as an adjunct or alternative to drugs treat neurological disorders and diseases via stimulating the peripheral nervous system on demand. However, current existing strategies are limited by external battery requirements, injury inflammation caused mechanical mismatch between rigid electrodes soft nerves. Here we report wireless, leadless, battery-free ferroelectret implant, termed NeuroRing, that wraps...
Flexible sensors based on laser-induced graphene (LIG) are widely used in wearable personal devices, with the morphology and lattice arrangement of LIG key factors affecting their performance various applications. In this study, femtosecond-laser-induced MXene-composited (LIMG) is to improve electrical conductivity by incorporating MXene, a 2D material high concentration free electrons, into structure. By combining pump-probe detection, breakdown spectroscopy (LIBS), density functional...
Micro-supercapacitors (MSCs) represent a pressing requirement for powering the forthcoming generation of micro-electronic devices. The simultaneous realization high-efficiency synthesis electrode materials and precision patterning MSCs in single step presents an ardent need, yet it poses formidable challenge. Herein, unique shaped laser-induced patterned electron synchronization excitation strategy has been put forward to photochemical RuO
Molybdenum disulfide (MoS2) micro/nanostructures are desirable for tuning electronic properties, developing required functionality, and improving the existing performance of multilayer MoS2 devices. This work presents a useful method to flexibly microprocess flakes through femtosecond laser pulse direct writing, which can directly fabricate regular nanoribbon arrays with ribbon widths 179, 152, 116, 98, 77 nm, arbitrarily pattern form such as single nanoribbon, labyrinth array, cross...
Crops require water and fertilizers to grow. However, the shortage of freshwater limits regions where plants, especially crops, can be grown, misuse chemical imposes a burden on environment human health. This study develops self-sufficient system that passively capture produce plant nutrients from air through integration fog-to-water converter spark-type droplet-based electric generator. The proof-of-concept system, based large-scale 3D wedged spines, achieves conversion efficiency 35%...
Writing spatial information on ultrafast all-optical switching is essential for constructing processing units in photonic applications, such as optical communication and computing networks. However, most methods ignore the fabrication imaging of controllable area, limiting its further design devices. Here, we propose a method to spatially write based MAPbI3 perovskite with nanocone structure visualize effect arbitrary designed area. Due light confinement using fs laser, strongly absorbed by...
Metallic 1T MoS2 nanosheets are highly desirable for application in catalysis, energy storage, and production due to their high electrical conductivity abundant active sites. Here, this work presents a new strategy prepare 1T-phase through light exfoliation chemical doping by femtosecond laser ablation of bulk 2H-phase crystals Fe ion solution. Femtosecond induces the with breakage bonds increased activity MoS2, which is conducive adsorption atoms on hence reversion original 2H phase phase,...
Ubiquitous biological processes exhibit the ability to achieve spontaneous directionally guided droplet transport. Maskless three-dimensional (3D) fabrication of various miniature bionic structures, a method applicable materials, is subject processing limitations. This remains large obstacle realizing self-driven, continuous, and controllable unidirectional liquid spreading. Thus, we present flexible maskless 3D for fabricating spreading surfaces by using phase spatially shaped femtosecond...
Ultra-thin 2D materials have great potential as electrodes for micro-supercapacitors (MSCs) because of their facile ion transport channels. Here, a high-precision controllable photonic-synthesis strategy that provided 1 inch wafer-scale ultra-thin film arrays alloyed W
Abstract Downsizing electrode architectures provides great potential for the fabrication of microscale energy storage devices. With their extended voltage window and high density, asymmetric microsupercapacitors (MSCs) play an essential role in various applications. However, efficient manufacturing MSCs remains challenging. Herein, maskless lithography–based ultrafast multitype micron-sized planar one step through temporally spatially shaped femtosecond laser is presented. are only 10 × µm 2...