A5029749512- GaN-based semiconductor devices and materials
- Color Science and Applications
- Impact of Light on Environment and Health
- Luminescence Properties of Advanced Materials
- Thin-Film Transistor Technologies
- Circadian rhythm and melatonin
- Organic Light-Emitting Diodes Research
- Advanced Sensor and Energy Harvesting Materials
- Perovskite Materials and Applications
- Semiconductor Quantum Structures and Devices
- Optical Wireless Communication Technologies
- Tactile and Sensory Interactions
- Infrared Target Detection Methodologies
- Spectroscopy and Laser Applications
- CCD and CMOS Imaging Sensors
- Semiconductor Lasers and Optical Devices
- Thermal Radiation and Cooling Technologies
- Color perception and design
- Gas Sensing Nanomaterials and Sensors
- Radiation Detection and Scintillator Technologies
- ZnO doping and properties
- Advanced Optical Imaging Technologies
- Image and Video Quality Assessment
- Quantum Dots Synthesis And Properties
- Light effects on plants
Xiamen University
2016-2025
Xiamen University of Technology
2015-2024
Hefei University of Technology
2022
Henan Polytechnic University
2021
Zhangzhou Normal University
2021
Tan Kah Kee Innovation Laboratory
2021
Collaborative Innovation Center of Chemistry for Energy Materials
2015-2016
Fujian Research Institute of Light Industry
2015
CsPbBr3 perovskite quantum dots (PQDs)/ethylene vinyl acetate (EVA) composite films were prepared via a one-step method; on the basis of this, both supersaturated recrystallization PQDs and dissolution EVA realized in toluene. The display outstanding green-emitting performance with high color purity 92% photoluminescence (PL) yield 40.5% at appropriate PQD loading. They possess long-term stable luminescent properties air water, benefiting from effective protection by matrix. Besides,...
Touch control intention recognition is an important direction for the future development of human-machine interactions (HMIs). However, implementation parallel-sensing functional modules generally requires a combination different logical blocks and circuits, which results in regional redundancy, redundant data, low efficiency. Here, location-and-pressure intelligent tactile sensor (LPI sensor) unprecedentedly combined with sensing, computing, logic proposed, enabling efficient...
It is demonstrated that Sr<sub>5</sub>(PO<sub>4</sub>)<sub>3</sub>Cl:Eu<sup>2+</sup> blue-emitting phosphor features good thermal ability, high color purity and a suitable candidate for the application in near-UV w-LEDs.
Abstract Intuitive, efficient, and unconstrained interactions require human–machine interfaces (HMIs) to accurately recognize users' manipulation intents. Susceptibility interference conditional usage mode of HMIs will lead poor experiences that limit their great interaction potential. Herein, a programmable ultrasensitive haptic interface enabling closed‐loop is reported. A cross‐scale architecture design strategy proposed fabricate the interface, which optimizes hierarchical contact...
Abstract Robotic skins that integrate artificial tactile sensing elements can substantially complement the perception dimension of social robots, presenting an indispensable part in human‐robot interaction (HRI). However, existing design frameworks compromise between versatility and sustainability due to restricted range characteristics available for a single constituent. Here alterable robotic skin constructed from homogeneous units are proposed, capable cyclically realtering their inherent...
Abstract Tactile intent recognition systems, which are highly desired to satisfy human's needs and humanized services, shall be accurately understanding identifying intent. They generally utilize time‐driven sensor arrays achieve high spatiotemporal resolution, however, encounter inevitable challenges of low scalability, huge data volumes, complex processing. Here, an event‐driven touch (IR sensor) with in‐sensor computing capability is presented. The merit enables the IR ultrahigh...
Abstract Efficient and flexible interactions require precisely converting human intentions into computer-recognizable signals, which is critical to the breakthrough development of metaverse. Interactive electronics face common dilemmas, realize high-precision stable touch detection but are rigid, bulky, thick or achieve high flexibility wear lose precision. Here, we construct highly bending-insensitive, unpixelated, waterproof epidermal interfaces (BUW interfaces) demonstrate their...
Poor stability always restricts the application of all-inorganic perovskite quantum dots (PQDs). Herein, 2D hexagonal boron nitride (h-BN) nanosheets were firstly utilized to stabilize CsPbBr3 PQDs through a facile heterogeneous nucleation–growth process at room temperature. In synthesized h-BN/CsPbBr3 PQD nanocomposites, cubic adhere on h-BN nanosheet surfaces, benefiting from high specific surface area and abundant mesopores nanosheets. The nanocomposites prepared optimized loading...
Yellow emitting Sm 3+ -doped NaBa 1-x BO 3 (0.01 ≤ x 0.13) phosphors were synthesized by conventional solid state reaction method. The phase structure and luminescence properties of the as-prepared investigated. These can be effectively excited 403 nm near-ultraviolet light feature a satisfactory yellow performance. emission peaks are observed at 560 nm, 603 650 originating from transitions 4 G 5∕2 → 6 H , 7∕2 9∕2 respectively. Investigation concentration-dependent spectra indicates that...
We investigate divergent behaviors in the emission of blue and green light-emitting diodes (LEDs) when they are subjected to current-stress aging. Microscopic hyperspectral imaging is introduced measure spatially resolved mappings peak intensity, energy, full width at half maximum. Also, plots external quantum efficiency versus injection current measured determine extent Shockley-Read-Hall (SRH) nonradiative recombination rate based on two-level model. As a result, phenomenological model...
Abstract Embodied intelligent tactile systems represent a groundbreaking paradigm for autonomous agents, facilitating dynamic perception and adaptation in unstructured environments. Traditional von Neumann architectures suffer from inefficiencies due to the separation of sensing memory units, where mechanical relaxation is often overlooked as non‐informative noise rather than utilized computational resource. The transition dynamics stimulation encoding their potential neuromorphic...
A solution for multi-functional indoor light sources is proposed to achieve the new concept of healthy lighting. remotely controllable source that embodies a quadruple-chip light-emitting diode and driven by pulse-width-modulation currents designed. Therefore, spectral power distributions (SPDs) can be readily controlled. An algorithm, namely optical ratio developed select all suitable SPDs adapted various applications. Principles selection are based on those traditional visual indices, as...
Three-hump InGaN-based white light-emitting diodes (LEDs) precoated with traditional yellow/green phosphors and red-emitting quantum dots (QDs), have been numerically investigated. Under variations of eight correlated color temperatures (CCTs), three wavelengths, two bandwidths, peak heights, optimal results luminous efficacy radiation (LER) rendering index (CRI) are identified retained through filtering off billions unqualified candidates. These include LER = 390 lm/W CRI 90 [chromaticity...
Three- and four-hump InGaN-based white light-emitting diodes (LEDs) have been computationally investigated. The investigation includes three-hump LEDs precoated with green- red-emitting quantum dots (QDs) green-, yellow-, QDs. Results show scotopic/photopic (S/P) ratios <formula formulatype="inline" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex Notation="TeX">$>$</tex></formula> 3.80 color rendering indices (CRIs)...
Abstract Thermal rectifiers whose forward heat fluxes are greater than reverse counterparts have been extensively studied. Here we discovered, idealized and derived the ultimate limit of such rectification ratios, which partially validated by numerical simulations, experiments micro-scale Hamiltonian-oscillator analyses. For thermal conductivities (κ) linear with temperature, this is simply a value 3. those nonlinear temperatures, maxima equal κ max /κ min , where two extremes denote values...