scholarly journals Polyfluorene-based white light conjugated polymers incorporating orange iridium(iii) complexes: the effect of steric configuration on their photophysical and electroluminescent properties

RSC Advances ◽  
2018 ◽  
Vol 8 (3) ◽  
pp. 1638-1646 ◽  
Author(s):  
Jing Sun ◽  
Dongyu Wu ◽  
Long Gao ◽  
Minna Hou ◽  
Guojing Lu ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
White Light ◽  
Steric Hindrance ◽  
Steric Configuration ◽  
Triplet Triplet Annihilation

Owing to large steric hindrance, white light hyperbranched conjugated polymers exhibited the best electroluminescent performance with suppression of triplet–triplet annihilation.

Synthesis of fluorescent conjugated polymer nanoparticles and their immobilization on a substrate for white light emission

2018 ◽  
Vol 9 (48) ◽  
pp. 5671-5679 ◽  
Author(s):  
Choongho Kim ◽  
Young Jin Gwon ◽  
Jongho Kim ◽  
Taek Seung Lee
Keyword(s):  
Conjugated Polymers ◽  
White Light ◽  
Conjugated Polymer ◽  
Light Emission ◽  
Coupling Reaction ◽  
Suzuki Coupling ◽  
Polymer Nanoparticles ◽  
Red Emission ◽  
Suzuki Coupling Reaction ◽  
Conjugated Polymer Nanoparticles

Fluorescent conjugated polymers (CPs) for blue, green, and red emission were polymerized via the Suzuki coupling reaction.

Achieving tunable dual-emissive and high-contrast mechanochromic materials by manipulating steric hindrance effects

2019 ◽  
Vol 7 (11) ◽  
pp. 3300-3305 ◽  
Author(s):  
Zongliang Xie ◽  
Tongtong Su ◽  
Eethamukkala Ubba ◽  
Huangjun Deng ◽  
Zhu Mao ◽  
...  
Keyword(s):  
White Light ◽  
Steric Hindrance ◽  
Single Component ◽  
High Contrast ◽  
Light Emitting ◽  
Design And Synthesis

A rational strategy for the design and synthesis of tunable dual-emissive and single-component white-light-emitting materials by manipulating steric hindrance effects.

Intra-chain triplet–triplet annihilation and delayed fluorescence in soluble conjugated polymers

2001 ◽  
Vol 340 (5-6) ◽  
pp. 467-472 ◽  
Author(s):  
A.P. Monkman ◽  
H.D. Burrows ◽  
I. Hamblett ◽  
S. Navaratnam
Keyword(s):  
Conjugated Polymers ◽  
Delayed Fluorescence ◽  
Triplet Triplet Annihilation

scholarly journals Limitations of conjugated polymers as emitters in triplet-triplet annihilation upconversion

2021 ◽  
Author(s):  
Riley O'shea ◽  
Can Gao ◽  
Siobhan Bradley ◽  
Tze Cin Owyong ◽  
Na Wu ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Building Blocks ◽  
Phenylene Vinylene ◽  
Triplet Triplet Annihilation

A series of poly(phenylene-vinylene)s (PPV) was synthesized with two monomer building blocks containing methoxy and 2-ethylhexyloxy (MEH) sidechains and sterically bulky fluorenyloxy sidechain. Variations in monomer incorporation were achieved by...

Frequency Resolved Photoluminescence (PL), Delayed Fluorescence and Triplet-Triplet Annihilation In 7Φ-Conjugated Polymers

1999 ◽  
Vol 561 ◽  
Author(s):  
J. Partee ◽  
E. L. Frankevich ◽  
B. Uhlhom ◽  
J. Shinar ◽  
Y. Ding ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Strong Evidence ◽  
Delayed Fluorescence ◽  
Phenylene Vinylene ◽  
Total Emission ◽  
Phenylene Ethynylene ◽  
Frozen Solutions ◽  
Triplet Triplet Annihilation

ABSTRACTThe delayed fluorescence of poly(p-phenylene vinylene) (PPV) and poly(p-phenylene ethynylene) (PPE) derivative solids and frozen solutions at 20 K is described. It provides strong evidence for triplet-triplet annihilation to singlets excitons accounting for up to ∼3% of the total emission in PPV films and ∼1.5% in PPE powder. It also yields triplet lifetimes of 70 and 110 μs in PPV films and frozen solutions, and ∼200 and ∼500 μs in PPE powder and frozen solutions, respectively.

Efficient white light-emitting diodes realized with new processable blends of conjugated polymers

1997 ◽  
Vol 71 (20) ◽  
pp. 2883-2885 ◽  
Author(s):  
S. Tasch ◽  
E. J. W. List ◽  
O. Ekström ◽  
W. Graupner ◽  
G. Leising ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
White Light ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
White Light Emitting Diodes

scholarly journals Improve the photovoltaic performance of new quinoxaline-based conjugated polymers from the view of conjugated length and steric hindrance

2015 ◽  
Vol 6 (1) ◽  
pp. 55-63 ◽  
Author(s):  
Dan Ouyang ◽  
Manjun Xiao ◽  
Dangqiang Zhu ◽  
Weiguo Zhu ◽  
Zhengkun Du ◽  
...  
Keyword(s):  
Solar Cells ◽  
Conjugated Polymers ◽  
Steric Hindrance ◽  
Polymer Solar Cells ◽  
Photovoltaic Performance

An improved photovoltaic performance of quinoxaline-based polymer solar cells was obtained from the view of conjugated length and steric hindrance.

scholarly journals The performance of conjugated polymers as emitters for triplet–triplet annihilation upconversion

2021 ◽  
Author(s):  
Riley O’Shea ◽  
Can Gao ◽  
Tze Cin Owyong ◽  
Jonathan M. White ◽  
Wallace W. H. Wong
Keyword(s):  
Conjugated Polymers ◽  
Phenylene Vinylene ◽  
Phenylene Ethynylene ◽  
Triplet Triplet Annihilation

Phenylene–ethynylene–anthracene copolymer was used as the emitter in triplet–triplet annihilation upconversion outperforming well-known poly(phenylene–vinylene)s.

Sign in / Sign up

Export Citation Format

Share Document