Enhancing Spin–Orbit Coupling by Introducing a Lone Pair Electron with p Orbital Character in a Thermally Activated Delayed Fluorescence Emitter: Photophysics and Devices

2019 ◽  
Vol 10 (11) ◽  
pp. 2669-2675 ◽  
Author(s):  
Zhanxiang Chen ◽  
Fan Ni ◽  
Zhongbin Wu ◽  
Yuchen Hou ◽  
Cheng Zhong ◽  
...  
Keyword(s):  
Lone Pair ◽  
Delayed Fluorescence ◽  
Orbit Coupling ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Lone Pair Electron ◽  
Orbital Character

A strongly greenish-blue-emitting Cu4Cl4 cluster with an efficient spin–orbit coupling (SOC): fast phosphorescence versus thermally activated delayed fluorescence

2016 ◽  
Vol 52 (37) ◽  
pp. 6288-6291 ◽  
Author(s):  
Xu-Lin Chen ◽  
Rongmin Yu ◽  
Xiao-Yuan Wu ◽  
Dong Liang ◽  
Ji-Hui Jia ◽  
...  
Keyword(s):  
Decay Time ◽  
Delayed Fluorescence ◽  
Orbit Coupling ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Greenish Blue

A novel greenish-blue-emitting Cu(i) complex with high PLQY of 90% and short decay time of 9.9 μs is reported. The emission at 293 K consists of approximately equivalent fast phosphorescence and TADF.

scholarly journals Correction: A strongly greenish-blue-emitting Cu4Cl4 cluster with an efficient spin–orbit coupling (SOC): fast phosphorescence versus thermally activated delayed fluorescence

2016 ◽  
Vol 52 (49) ◽  
pp. 7738-7738
Author(s):  
Xu-Lin Chen ◽  
Rongmin Yu ◽  
Xiao-Yuan Wu ◽  
Dong Liang ◽  
Ji-Hui Jia ◽  
...  
Keyword(s):  
Delayed Fluorescence ◽  
Orbit Coupling ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Greenish Blue

Correction for ‘A strongly greenish-blue-emitting Cu4Cl4 cluster with an efficient spin–orbit coupling (SOC): fast phosphorescence versus thermally activated delayed fluorescence’ by Xu-Lin Chen et al., Chem. Commun., 2016, 52, 6288–6291.

scholarly journals Thermally activated delayed fluorescence processes for Cu(i) complexes in solid-state: a computational study using quantitative prediction

RSC Advances ◽  
2018 ◽  
Vol 8 (50) ◽  
pp. 28421-28432 ◽  
Author(s):  
Lingling Lv ◽  
Kui Liu ◽  
Kun Yuan ◽  
Yuancheng Zhu ◽  
Yongcheng Wang
Keyword(s):  
Solid State ◽  
Rate Constants ◽  
Computational Study ◽  
Delayed Fluorescence ◽  
Orbit Coupling ◽  
Quantitative Prediction ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated

Calculated fluorescence (kF), phosphorescence (kP), and ISC rate constants (kvib.ISC/RISC) with the vibronic spin–orbit coupling at 300 K for Cu(dppb)(pz2Bph2).

scholarly journals Thermally activated delayed fluorescence with a narrow emission spectrum and organic room temperature phosphorescence by controlling spin–orbit coupling and phosphorescence lifetime of metal-free organic molecules

2018 ◽  
Vol 6 (20) ◽  
pp. 5434-5443 ◽  
Author(s):  
Piotr Pander ◽  
Agnieszka Swist ◽  
Radoslaw Motyka ◽  
Jadwiga Soloducho ◽  
Fernando B. Dias ◽  
...  
Keyword(s):  
Room Temperature ◽  
Organic Molecules ◽  
Delayed Fluorescence ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Room Temperature Phosphorescence ◽  
Phosphorescence Lifetime ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Narrow Emission

A novel acridone derivative is presented showing TADF and narrow blue electroluminescence.

scholarly journals Exploiting trifluoromethyl substituents for tuning orbital character of singlet and triplet states to increase the rate of thermally activated delayed fluorescence

2020 ◽  
Vol 4 (12) ◽  
pp. 3602-3615 ◽  
Author(s):  
Jonathan S. Ward ◽  
Andrew Danos ◽  
Patrycja Stachelek ◽  
Mark A. Fox ◽  
Andrei S. Batsanov ◽  
...  
Keyword(s):  
Excited States ◽  
Organic Molecules ◽  
Delayed Fluorescence ◽  
Triplet States ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Conjugated Organic Molecules ◽  
Singlet And Triplet States ◽  
Triplet Excited States ◽  
Orbital Character

This work shows that trifluoromethyl (CF3) substituents can be used to increase the rate of thermally activated delayed fluorescence (TADF) in conjugated organic molecules by tuning the excitonic character of the singlet and triplet excited states.

Spin-orbit coupling induced band structure change and orbital character of epitaxialIrO2films

2016 ◽  
Vol 93 (4) ◽  
Author(s):  
Woo Jin Kim ◽  
So Yeun Kim ◽  
Choong H. Kim ◽  
Chang Hee Sohn ◽  
O. B. Korneta ◽  
...  
Keyword(s):  
Band Structure ◽  
Structure Change ◽  
Orbit Coupling ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Orbital Character

Reducing lifetime in Cu(i) complexes with thermally activated delayed fluorescence and phosphorescence promoted by chalcogenolate–diimine ligands

2020 ◽  
Vol 8 (41) ◽  
pp. 14595-14604
Author(s):  
Giliandro Farias ◽  
Cristian A. M. Salla ◽  
Renata S. Heying ◽  
Adailton J. Bortoluzzi ◽  
Sergio F. Curcio ◽  
...  
Keyword(s):  
Heavy Atom ◽  
Delayed Fluorescence ◽  
Spin Orbit Coupling ◽  
Matrix Elements ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Diimine Ligands ◽  
Photoluminescence Lifetime ◽  
Atom Effect ◽  
Fluorescence And Phosphorescence

Cu(i) complexes without the expected heavy atom effect to enhance the spin–orbit coupling matrix elements, but with reduced photoluminescence lifetime.

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