A5100391142- Organic Light-Emitting Diodes Research
- Luminescence and Fluorescent Materials
- Organic Electronics and Photovoltaics
- Conducting polymers and applications
- Lanthanide and Transition Metal Complexes
- Organometallic Complex Synthesis and Catalysis
- Molecular Communication and Nanonetworks
- Solid State Laser Technologies
- Dielectric properties of ceramics
- Perovskite Materials and Applications
- Electrical and Thermal Properties of Materials
- Advanced biosensing and bioanalysis techniques
- Advanced Sensor and Energy Harvesting Materials
- Ferroelectric and Piezoelectric Materials
- Photorefractive and Nonlinear Optics
- Molecular Junctions and Nanostructures
- Advanced Fiber Laser Technologies
- Green IT and Sustainability
Peking University
2019-2023
Peking University Shenzhen Hospital
2022
Chinese Academy of Sciences
2007-2022
University of Chinese Academy of Sciences
2022
Fujian Institute of Research on the Structure of Matter
2022
Beijing Normal University
2019
Xinjiang University
2018
Xinjiang Technical Institute of Physics & Chemistry
2018
Taiyuan University of Technology
2018
Dalian University of Technology
2011
Zinc(II)-2-(2-hydroxyphenyl)benzothiazolate complex is an excellent white-light-emitting material. Despite some studies devoted to this complex, no information on the real origin of unusually broad electroluminescent (EL) emission available. Therefore, we investigate photoluminescent and EL properties zinc complex. Orange phosphorescent at 580 nm was observed for in thin film 77 K, whereas only fluorescent obtained room temperature. Molecular orbitals, excitation energy, energy were...
To explore the effect of intertrimer Cu...Cu interactions on phosphorescent properties trimeric copper(I) pyrazolates, three new complexes with identical core cluster structures and different substituents, {[3,5-(Me)(2)-4-(Ph)Pz]Cu}(3) (MPC-P), {[3,5-(Me)(2)-4-(1-Naph)Pz]Cu}(3) (MPC-N), {[3,5-(Me)(2)-4-(9-Anthr)Pz]Cu}(3) (MPC-A), were synthesized. The distances obtained from X-ray crystallographic data or molecular dynamics simulations. investigated at various pressures. At ambient pressure,...
A series of dicyanovinyl-substituted aromatic compounds (Ar-DCV; Ar=9-anthracenyl, 1-naphthyl, 1-pyrenyl) with dual fluorescence are prepared, and their emission properties--when molecularly dispersed in a polymer medium--are investigated under pressure perturbation. The total intensity is enhanced drastically from ambient up to 70 kbar. Emission 30-107 times more intense than that at observed higher pressure. In emission, the enhancement local excited state (LE state) significantly...
The QM/MM method is employed to investigate the photophysical mechanism of two dinuclear copper iodide complexes with thermally activated delayed fluorescence (TADF). S1-T1 energy differences (ΔE ST) in these are small enough so that repopulating S1 state from T1 becomes energetically allowed. Both forward and reverse intersystem crossing (ISC rISC) processes much faster than corresponding radiative phosphorescence [k ISC (108 s-1) > k F r (106 s-1), rISC (105 P (103 s-1)]. process emission...
Organic light-emitting diodes (OLEDs) manifest a high performance that has enabled the industrial applications of this technology; nevertheless, achieving efficiency in these devices via introducing dopants makes fabrication process quite complicated. In Letter, we demonstrate color-tunable organic (CT-OLEDs) with simplified structure incorporates dopant-free PN heterojunction as emitting layer. By depositing hole transport layer, 1,1-bis[(di-4-tolylamino)phenyl] cyclohexane (TAPC) P-region...
A 10-nm-thick molybdenum tri-oxide (MoO3) thin film was used as the interconnector layer in tandem organic light-emitting devices (OLEDs). The OLEDs with two identical emissive units consisting of N,N'-bis(naphthalen-1-yl)-N,N'-bis(phenyl)-benzidine (NPB)/tris(8-hydroxyquinoline) aluminum (Alq3) exhibited current efficiency-current density characteristics superior to conventional single-unit devices. At 20 mA/cm2, efficiency using layers MoO3 about 4.0 cd/A, which is twice that corresponding...
Abstract Two novel thieno[3,4-b]pyrazine-cored molecules, P-DTP and TP-DTP, are synthesized characterized by extra large Stokes shifts of over 300 nm. The bulky polyaromatic arms enable these molecules to be solution processible provide site-isolation on the planar emissive core. They exhibit saturated red electroluminescence in nondoped organic light-emitting diodes fabricated spin coating.
All-solid-state (ASS) ultraviolet (UV) laser is an organic combination of ASS technique and nonlinear frequency conversion technique. By using different kinds optical crystals optimizing the system structure, efficiency output power fifth-harmonic-generation (5HG) lasers has been constantly updated. And expected UV with high beam quality stability was obtained through reasonable design. In this paper, research status 5HG for ~1 μm near-infrared were briefly reviewed, approaches producing...
Alternating current-driven organic light-emitting diodes (AC-OLEDs) exhibit great potential for next-generation lighting and display applications owing to their advantage of direct integration into AC-based household electric systems, nevertheless, low performance with high turn-on voltage inability light emission in the entire cycle AC signal remain major bottlenecks further development. Herein, AC-OLEDs coplanar electrodes (cpAC-OLED) are demonstrated, this new type AC-OLED architecture...