Efficient electroluminescence of bluish green iridium complexes with 2-(3,5-bis(trifluoromethyl)phenyl)pyrimidine and 2-(3,5-bis(trifluoromethyl)phenyl)-5-fluoropyrimidine as the main ligands

2018 ◽  
Vol 5 (7) ◽  
pp. 1545-1552 ◽  
Author(s):  
Hua-Bo Han ◽  
Zheng-Guang Wu ◽  
You-Xuan Zheng
Keyword(s):  
Current Efficiency ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Iridium Complexes ◽  
Bluish Green ◽  
Maximum Current

Four bluish green iridium complexes with high photoluminescence quantum efficiencies were applied in OLEDs, and they showed a maximum current efficiency of 74.70 cd A−1 and a maximum external quantum efficiency of 35.0% with mild efficiency roll-off.

Efficient bluish green electroluminescence of iridium complexes with good electron mobility

2018 ◽  
Vol 42 (16) ◽  
pp. 13351-13357 ◽  
Author(s):  
Hua-Bo Han ◽  
Zheng-Guang Wu ◽  
You-Xuan Zheng
Keyword(s):  
Current Efficiency ◽  
Quantum Efficiency ◽  
Electron Mobility ◽  
External Quantum Efficiency ◽  
Iridium Complexes ◽  
Bluish Green ◽  
Maximum Current

Two efficient bluish green iridium complexes with good electron mobility were applied in efficient OLEDs, showing a maximum current efficiency of 71.18 cd A−1 and a maximum external quantum efficiency of 27.7%.

Highly efficient yellow electroluminescence of iridium complexes with good electron mobility

2018 ◽  
Vol 2 (7) ◽  
pp. 1284-1290 ◽  
Author(s):  
Hua-Bo Han ◽  
Xiao-Feng Ma ◽  
Zheng-Guang Wu ◽  
You-Xuan Zheng
Keyword(s):  
Current Efficiency ◽  
Quantum Efficiency ◽  
Electron Mobility ◽  
External Quantum Efficiency ◽  
Iridium Complexes ◽  
Highly Efficient ◽  
Maximum Current ◽  
Low Efficiency

Herein, two efficient yellow iridium complexes with good electron mobility were applied in OLEDs, showing a maximum current efficiency of 106.66 cd A−1 and an external quantum efficiency of 29.7% with low efficiency roll-off.

Efficient green photoluminescence and electroluminescence of iridium complexes with high electron mobility

2018 ◽  
Vol 47 (46) ◽  
pp. 16543-16550 ◽  
Author(s):  
Hua-Bo Han ◽  
Zheng-Guang Wu ◽  
Zhi-Ping Yan ◽  
Yue Zhao ◽  
You-Xuan Zheng
Keyword(s):  
Current Efficiency ◽  
Quantum Efficiency ◽  
Electron Mobility ◽  
External Quantum Efficiency ◽  
High Electron ◽  
Iridium Complexes ◽  
High Electron Mobility ◽  
Maximum Current ◽  
Green Photoluminescence

Two green iridium complexes with high photoluminescence quantum efficiency were applied in OLEDs showing a maximum current efficiency of 92.76 cd A−1 and a maximum external quantum efficiency of 31.8%, and the efficiency roll-off ratio is low.

scholarly journals Photoluminescence and electroluminescence of deep red iridium(iii) complexes with 2,3-diphenylquinoxaline derivatives and 1,3,4-oxadiazole derivatives ligands

RSC Advances ◽  
2017 ◽  
Vol 7 (59) ◽  
pp. 37021-37031 ◽  
Author(s):  
Yi-Ming Jing ◽  
You-Xuan Zheng
Keyword(s):  
Current Efficiency ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Maximum Current ◽  
Oxadiazole Derivatives

OLEDs using efficient deep red iridium(iii) complexes display good electroluminescence performances with maximum current efficiency and external quantum efficiency of up to 14.0 cd A−1and 17.8%, respectively, and the efficiency roll-off is mild.

Crystal structure, photoluminescence and electroluminescence of three bluish green light-emitting iridium complexes

2016 ◽  
Vol 45 (17) ◽  
pp. 7366-7372 ◽  
Author(s):  
Qiu-Lei Xu ◽  
Xiao Liang ◽  
Liang Jiang ◽  
Yue Zhao ◽  
You-Xuan Zheng
Keyword(s):  
Crystal Structure ◽  
Current Efficiency ◽  
Green Light ◽  
Iridium Complexes ◽  
Light Emitting ◽  
Bluish Green ◽  
Maximum Current ◽  
Low Efficiency

Three iridium(iii) complexes were applied in efficient OLEDs showing a maximum current efficiency (ηc) value of 37.61 cd A−1 with low efficiency roll-off.

Efficient yellow electroluminescence of four iridium(iii) complexes with benzo[d]thiazole derivatives as main ligands

2018 ◽  
Vol 47 (24) ◽  
pp. 8032-8040 ◽  
Author(s):  
Zhi-Gang Niu ◽  
Jun Chen ◽  
Peng Tan ◽  
Wei Sun ◽  
You-Xuan Zheng ◽  
...  
Keyword(s):  
Current Efficiency ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Thiazole Derivatives ◽  
Maximum Current

Four yellow iridium(iii) complexes with benzo[d]thiazole derivatives as the main ligands display good device performances with a maximum current efficiency of up to 69.8 cd A−1 and a maximum external quantum efficiency of up to 24.3%.

Efficient deep red electroluminescence of iridium(iii) complexes with 2,3-diphenylquinoxaline derivatives and tetraphenylimidodiphosphinate

2017 ◽  
Vol 5 (15) ◽  
pp. 3714-3724 ◽  
Author(s):  
Yi-Ming Jing ◽  
Fang-Zhou Wang ◽  
You-Xuan Zheng ◽  
Jing-Lin Zuo
Keyword(s):  
Current Efficiency ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Maximum Current ◽  
Red Oleds

Efficient deep red OLEDs based on iridium(iii) complexes show a maximum current efficiency and external quantum efficiency of up to 16.6 cd A−1and 19.9%, respectively, with mild efficiency roll-off.

Photoluminescence and electroluminescence of an iridium(iii) complex with 2′,6′-bis(trifluoromethyl)-2,4′-bipyridine and 2-(5-phenyl-1,3,4-thiadiazol-2-yl)phenol ligands

2017 ◽  
Vol 41 (8) ◽  
pp. 3029-3035 ◽  
Author(s):  
Yi-Ming Jing ◽  
You-Xuan Zheng
Keyword(s):  
Electron Transport ◽  
Current Efficiency ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Greenish Yellow ◽  
Maximum Current

Efficient greenish yellow OLEDs based on an iridium(iii) complex containing electron transport ligands of 2′,6′-bis(trifluoromethyl)-2,4′-bipyridine and 2-(5-phenyl-1,3,4-thiadiazol-2-yl)phenol show a maximum current efficiency of 54.5 cd A−1and a maximum external quantum efficiency of 16.1%.

scholarly journals Red to orange thermally activated delayed fluorescence polymers based on 2-(4-(diphenylamino)-phenyl)-9H-thioxanthen-9-one-10,10-dioxide for efficient solution-processed OLEDs

RSC Advances ◽  
2021 ◽  
Vol 11 (40) ◽  
pp. 24794-24806
Author(s):  
Praetip Khammultri ◽  
Pongsakorn Chasing ◽  
Chirawat Chitpakdee ◽  
Supawadee Namuangruk ◽  
Taweesak Sudyoadsuk ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Current Efficiency ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Efficient Solution ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Maximum Current ◽  
Orange Color

TADF conjugated polymers having 2-(4-(diphenylamino)-phenyl)-9H-thioxanthen-9-one-10,10-dioxide as a TADF unit showed red/orange color emissions and enabled OLED devices with a maximum external quantum efficiency of 10.44% and a maximum current efficiency of 14.97 cd A−1

Aggregation-induced emission (AIE) active iridium complexes toward highly efficient single-layer non-doped electroluminescent devices

2016 ◽  
Vol 4 (44) ◽  
pp. 10464-10470 ◽  
Author(s):  
Peng Li ◽  
Qun-Ying Zeng ◽  
Hai-Zhu Sun ◽  
Mansoor Akhtar ◽  
Guo-Gang Shan ◽  
...  
Keyword(s):  
Current Efficiency ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Single Layer ◽  
Iridium Complexes ◽  
High Current ◽  
High Current Efficiency ◽  
Electroluminescent Devices ◽  
Aggregation Induced Emission ◽  
First Time

For the first time, AIE-active Ir(iii) complexes are applied successfully in single-layer non-doped phosphorescent devices, and a high current efficiency of 25.7 cd A−1 and 7.6% external quantum efficiency are achieved.

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