A5065817301- Luminescence Properties of Advanced Materials
- Glass properties and applications
- Solid State Laser Technologies
- Perovskite Materials and Applications
- Luminescence and Fluorescent Materials
- Chinese history and philosophy
- Radiation Detection and Scintillator Technologies
- Inorganic Fluorides and Related Compounds
- Photorefractive and Nonlinear Optics
- Phase-change materials and chalcogenides
- Advanced Radiotherapy Techniques
- Quantum Dots Synthesis And Properties
- Advanced Photocatalysis Techniques
- Advanced Sensor and Energy Harvesting Materials
- Optical properties and cooling technologies in crystalline materials
- Organic Light-Emitting Diodes Research
- Polydiacetylene-based materials and applications
- Particle Accelerators and Free-Electron Lasers
- Random lasers and scattering media
- Photonic Crystals and Applications
- Japanese History and Culture
- Gas Sensing Nanomaterials and Sensors
- Immune cells in cancer
- Particle accelerators and beam dynamics
- Fibroblast Growth Factor Research
Chinese Academy of Sciences
2016-2025
Fujian Institute of Research on the Structure of Matter
2016-2025
Tan Kah Kee Innovation Laboratory
2021-2025
Fuzhou University
2015-2024
National University of Defense Technology
2024
State Key Laboratory of Structural Chemistry
2018-2024
Dalian Polytechnic University
2009-2023
City University of Hong Kong
2009-2023
Purdue University West Lafayette
2023
Fudan University
2023
Currently, the major commercial white light-emitting diode (WLED) is phosphor-converted LED made of InGaN blue-emitting chip and Ce3+:Y3Al5O12 (Ce:YAG) yellow phosphor dispersed in organic epoxy resin or silicone. However, binder high-power WLED may age easily turn due to accumulated heat emitted from chip, which adversely affects properties such as luminous efficacy color coordination, therefore reduces its long-term reliability well lifetime. Herein, an innovative luminescent material:...
In this work, a novel thermometry strategy based on the diversity in thermal quenching behavior of two intervalence charge transfer (IVCT) states oxide crystals is proposed, which provides promising route to design self‐referencing optical temperature sensing material with superior sensitivity and signal discriminability. Following strategy, uniform Tb 3+ /Pr :NaGd(MoO 4 ) 2 micro‐octahedrons are directionally synthesized. Originated from diverse responses between ‐Mo 6+ Pr IVCT states,...
New non-rare-earth-based oxide red phosphor discovery is of great interest in the field energy-efficient LED lighting. In this work, a novel blue-light activated CaMg2Al16O27:Mn(4+) (CMA:Mn(4+)) phosphor, showing strong emission peaked at ∼655 nm under 468 excitation, prepared by solid-state reaction route. The microstructure and luminescent performance red-emitting are investigated detail with aids X-ray diffraction refinement, diffuse reflection spectra, steady-state photoluminescence...
Owing to its low cost and admirable luminescent characteristics for use in warm white-light-emitting diode (w-LED) applications, the non-rare-earth Mn4+-activated red phosphor has emerged as a potent competitor of commercial Eu2+-doped nitrides recent years. In this work, novel red-emitting BaMgAl10–2xO17:xMn4+,xMg2+ is successfully synthesized, which exhibits bright narrow-band luminescence peaking at 660 nm with full width half-maximum merely ∼30 upon blue light excitation. The unique...
Abstract With the technological advancements of high‐quality lightings and high‐end displays, white light‐emitting‐diodes (w‐LEDs) are quickly developing towards high energy density excitation, output power device stability, which requires outstanding thermal properties phosphor color converters. In this connection, all‐inorganic luminescent glass ceramic (GC), exhibiting excellent physical/chemical stability to address serious aging yellowing issues conventional phosphor/silicone composite,...
This work highlights a novel double-perovskite red phosphor Gd<sub>2</sub>ZnTiO<sub>6</sub>:Mn<sup>4+</sup>for UV-based warm white LEDs.
State-of-the-art progress in strategy design based on the Ln<sup>3+</sup> luminescence involving dual emission construction for ratiometric thermometry is reviewed.
Abstract The launch of the big data era puts forward challenges for information preservation technology, both in storage capacity and security. Herein, a brand new optical medium, transparent glass ceramic (TGC) embedded with photostimulated LiGa 5 O 8 : Mn 2+ nanocrystals, capable achieving bit-by-bit write-in read-out photon trapping/detrapping mode, is developed. highly ordered nanostructure enables light–matter interaction high encoding/decoding resolution low bit error rate....
The high-powered alternating current (AC) light-emitting diode (LED) (AC-LED), featuring low cost, high energy utilization efficiency, and long service life, will become a new economic growth point in the field of semiconductor lighting. However, flicker AC-LED AC cycles is not healthy for human eyes, therefore need to be restrained. Herein we report an innovation persistent "phosphor-in-glass" (PiG) remote-type AC-LED, whose afterglow can efficiently activated by blue light. It...
Abstract Next‐generation high‐brightness lighting faces a big challenge in developing laser‐drivable color‐converting materials with effective thermal management. Herein, new material architecture of Al 2 O 3 ‐Y 5 12 : Ce 3+ (YAG: Ce) transparent composite ceramics coated film (TCC@Al) is proposed. The as‐prepared shows the highest conductivity (29.3 W m −1 K ) among YAG: Ce‐related (TC) ever reported owing to combination role short‐range conduction microcrystals and long‐range film....
The state-of-the-art alternating-current light-emitting diode (AC-LED) technique suffers from adverse lighting flicker during each AC cycle. Aiming to compensate the dimming time of AC-LED, herein, we report a novel Mg3Y2(Ge1-xSix)3O12:Ce(3+) inverse-garnet persistent phosphor whose afterglow is efficiently activated by blue light with luminescence in millisecond range. It experimentally demonstrated that Si doping tailors host bandgap, so both electron charging and detrapping process are...
This work highlights the practical applications of PiG luminescent material in long-lifetime high-power warm w-LEDs.
A novel Na<sub>2</sub>WO<sub>2</sub>F<sub>4</sub>:Mn<sup>4+</sup>red-emitting phosphor, exhibiting an ultra-intense zero phonon line at 620 nm, is demonstrated to be promising for LED lightings and displays.
Abstract The advent of wide color‐gamut LED backlight technology greatly improves the user experience in visions. bottleneck restricting progress this is to develop red phosphor with satisfactory spectral features and low cost. Herein, a novel non‐rare‐earth K 2 XF 7 :Mn 4+ (X = Ta, Nb) was successfully designed synthesized, exhibiting an admirable quantum efficiency ∼93.5%, extremely narrow FWHM ∼2.3 nm, high color purity ∼99.6%. Unlike previously reported Mn activated fluorides, suffers...
Currently, the development of efficient red-emitting persistent phosphor is still an ongoing challenge. Herein, a novel LPL Ca3Ti2O7:Pr3+ successfully prepared by high-temperature solid-state method. XRD Rietveld refinement analyses demonstrate high phase purity sample which crystallizes in orthorhombic Ccm21 space group with lattice parameters = 5.7702(5) Å, b 19.4829(7) and c 5.1214(2) Å. Electronic structure host matrix analyzed first-principle calculation using CASTEP code. The results...
This study highlights a highly sensitive dual-mode optical thermometer Pr<sup>3+</sup>:Gd<sub>2</sub>ZnTiO<sub>6</sub> for thermal readings over wide range of temperature.
“Bandgap engineering” is applied to design a new kind of Lu<sub>2</sub>CaMg<sub>2</sub>(Si<sub>1−x</sub>Ge<sub>x</sub>)<sub>3</sub>O<sub>12</sub>:Ce<sup>3+</sup>solid-solution phosphor applicable for low flickering AC-LED.
A single-ion activated single-phased Ba<sub>2</sub>Y<sub>3</sub>(SiO<sub>4</sub>)<sub>3</sub>F:Eu white-light phosphor with tunable chromaticity was prepared, which can be applicable for UV-based w-LEDs.
Abstract Up‐to‐date laser‐driven projection technology puts an urgent demand for green phosphor with stringent requirements on its performance. Herein, by virtue of a new architecture design based CsPbBr 3 ‐glass nanocomposite, i.e., glass ceramic film sintered sapphire plate, the application availability this famous green‐emitting is demonstrated in projection. The mono‐dispersed perovskite nanostructure amorphous matrix and negligible thermal corrosion during co‐sintering low‐melting‐glass...
Plasmon-driven photochemical N<sub>2</sub> fixation in pure water can be realized over MoO<sub>3−x</sub> nanosheets under visible to NIR excitation.
Abstract Up-to-date laser-driven lightings confront a challenge of simultaneously achieving good photometric and chromatic performances. Herein, the coupling “patterned package design” “phosphor wheel” was proposed demonstrated effectively to deal with this tough issue, based on new architecture CaAlSiN 3 :Eu 2+ (CASN:Eu) glass ceramic film (GCF) Y Al 5 O 12 :Ce 3+ (YAG:Ce) GC plate. The fabricated composite has no interface between two functional layers retains admirable luminescent...