Triplet Exciton Transfers and Triplet–Triplet Annihilation in Anthracene Derivatives via Direct versus Superexchange Pathways Governed by Molecular Packing

2020 ◽  
Vol 124 (39) ◽  
pp. 7943-7949
Author(s):  
Hiroyuki Tamura
Keyword(s):  
Molecular Packing ◽  
Triplet Exciton ◽  
Anthracene Derivatives ◽  
Triplet Triplet Annihilation

Highly efficient deep-blue fluorescent OLEDs based on anthracene derivatives with a triplet–triplet annihilation mechanism

2021 ◽  
Author(s):  
Zilong Wu ◽  
Shaoxin Song ◽  
Xiangyu Zhu ◽  
Hao Chen ◽  
Jiajin Chi ◽  
...  
Keyword(s):  
Quantum Yields ◽  
Carbazole Derivatives ◽  
Highly Efficient ◽  
Deep Blue ◽  
Anthracene Derivatives ◽  
Triplet Triplet Annihilation

New deep-blue molecules compromised of tert-butyl modified anthracene, p-benzonitrile, and carbazole derivatives provide external quantum yields of 7.03% and 7.28% in non-doped and doped deep-blue OLEDs, respectively.

Substitution site effect of naphthyl substituted anthracene derivatives and their applications in organic optoelectronics

2020 ◽  
Vol 8 (44) ◽  
pp. 15597-15602
Author(s):  
Jie Li ◽  
Deyang Ji ◽  
Yongxu Hu ◽  
Mingxi Chen ◽  
Jinyu Liu ◽  
...  
Keyword(s):  
Site Effect ◽  
Molecular Packing ◽  
Optoelectronic Properties ◽  
Organic Optoelectronics ◽  
Substitution Site ◽  
Significant Difference ◽  
Anthracene Derivatives

Two different naphthyl substituted anthracene derivatives were synthesized. A tiny change of the substitution site of the naphthyl group leads to a significant difference of the molecular packing and exerts great impact on optoelectronic properties.

Triplet‐Triplet Annihilation Upconversion from Ru(II) Phenanthroline Complexes and 2‐Substituted Anthracene Derivatives

2022 ◽  
Vol 7 (2) ◽  
Author(s):  
Zuo‐Qin Liang ◽  
Xu Yan ◽  
Hao Cui ◽  
Huan‐Ran Xie ◽  
Hui Li ◽  
...  
Keyword(s):  
Anthracene Derivatives ◽  
Triplet Triplet Annihilation

Synergetic Effects of Triplet–Triplet Annihilation and Directional Triplet Exciton Migration in Organic Crystals for Photon Upconversion

2018 ◽  
Vol 9 (22) ◽  
pp. 6638-6643 ◽  
Author(s):  
Ryuma Sato ◽  
Hirotaka Kitoh-Nishioka ◽  
Kenji Kamada ◽  
Toshiko Mizokuro ◽  
Kenji Kobayashi ◽  
...  
Keyword(s):  
Triplet Exciton ◽  
Organic Crystals ◽  
Synergetic Effects ◽  
Exciton Migration ◽  
Triplet Triplet Annihilation

Anthracene derivatives as efficient emitting hosts for blue organic light-emitting diodes utilizing triplet–triplet annihilation

2012 ◽  
Vol 13 (7) ◽  
pp. 1197-1203 ◽  
Author(s):  
Hirohiko Fukagawa ◽  
Takahisa Shimizu ◽  
Noriyuki Ohbe ◽  
Shizuo Tokito ◽  
Katsumi Tokumaru ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Anthracene Derivatives ◽  
Triplet Triplet Annihilation

Low-Power Triplet-Triplet Annihilation Upconversion with a New Anthracene Derivatives

2016 ◽  
Vol 852 ◽  
pp. 1265-1270
Author(s):  
Sai Jiang Zhu ◽  
Chang Qing Ye ◽  
Yan Fu ◽  
Zuo Qing Liang ◽  
Xiao Mei Wang
Keyword(s):  
Quantum Yield ◽  
Low Power ◽  
Power Density ◽  
High Efficiency ◽  
Excitation Power ◽  
Quantum Yields ◽  
Excitation Power Density ◽  
High Quantum ◽  
Anthracene Derivatives ◽  
Triplet Triplet Annihilation

Two new anthracene derivatives were synthesized as emitter for low power triplet-triplet annihilation upconversion. Compared with anthracene, the emitter exhibits high quantum yields up to 85%. Pd (II) tetraphenylporphyrin which was selected as the sensitizer with the existence of BBA in DMF, We find a pretty high efficiency (Φuc=21.9%) of the upconversion fluorescence at 532nm with a low excitation power density of 0.5w/cm2.With the comparison of Anthracene, BBA and BTPA systems, quantum yield of the emitter is very important to the improving of the efficiency of upconversion.

Nuclear relaxation in one-dimensional triplet-exciton systems

1982 ◽  
Vol 43 (4) ◽  
pp. 663-673 ◽  
Author(s):  
J.P. Travers ◽  
M. Gugliehni ◽  
M. Nechtschein
Keyword(s):  
Triplet Exciton ◽  
Nuclear Relaxation ◽  
One Dimensional
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