Elastic-Plastic Fully π-Conjugated Polymer with Excellent Energy Dissipation Capacity for Ultra-Deep-Blue Flexible Polymer Light-Emitting Diodes with CIEy = 0.04

Elastic-Plastic Fully π-Conjugated Polymer with Excellent Energy Dissipation Capacity for Ultra-Deep-Blue Flexible Polymer Light-Emitting Diodes with CIEy = 0.04

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 30 vom: 24. Juli, Seite e2402708
1. Verfasser: Chen, Wenyu (VerfasserIn)
Weitere Verfasser: Yu, Ningning, Gong, Huaqiang, Li, Mengyuan, Xu, Weifeng, Zhuo, Zhiqiang, Sun, Zhiyang, Ni, Mingjian, Huang, Wenxin, Yang, Jing, Lin, Yingru, Wang, Lizhi, Li, Hao, Liang, Xinyu, Sun, Ning, Sun, Lili, Bai, Lubing, Han, Yamin, Tao, Youtian, Xu, Man, Yin, Chengrong, An, Xiang, Lin, Jinyi, Huang, Wei
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article elastic‐plastic fully π‐conjugated polymer excellent energy dissipation capacity flexible polymer light‐emitting diodes side‐chain internal plasticization ultra‐deep‐blue emission
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520 |a Emerging intrinsically flexible fully π-conjugated polymers (FπCPs) are a promising functional material for flexible optoelectronics, attributed to their potential interchain interpenetration and entanglement. However, the challenge remains in obtaining elastic-plastic FπCPs with intrinsic robust optoelectronic property and excellent long-term and cycling deformation stability simultaneously for applications in deep-blue flexible polymer light-emitting diodes (PLEDs). This study, demonstrates a series of elastic-plastic FπCPs (P1-P4) with an excellent energy dissipation capacity via side-chain internal plasticization for the ultra-deep-blue flexible PLEDs. First, the freestanding P1 film exhibited a maximum fracture strain of 34.6%. More interestingly, the elastic behavior is observed with a low strain (≤10%), and the stretched film with a high deformation (>10%) attributed to plastic processing revealed the robust capacity to realize energy absorption and release. The elastic-plastic P1 film exhibits outstanding ultra-deep-blue emission, with an efficiency of 56.38%. Subsequently, efficient PLEDs are fabricated with an ultra-deep-blue emission of CIE (0.16, 0.04) and a maximum external quantum efficiency of 1.73%. Finally, stable and efficient ultra-deep-blue electroluminescence are obtained from PLEDs based on stretchable films with different strains and cycling deformations, suggesting excellent elastic-plastic behavior and deformation stability for flexible electronics 
650 4 |a Journal Article 
650 4 |a elastic‐plastic fully π‐conjugated polymer 
650 4 |a excellent energy dissipation capacity 
650 4 |a flexible polymer light‐emitting diodes 
650 4 |a side‐chain internal plasticization 
650 4 |a ultra‐deep‐blue emission 
700 1 |a Yu, Ningning  |e verfasserin  |4 aut 
700 1 |a Gong, Huaqiang  |e verfasserin  |4 aut 
700 1 |a Li, Mengyuan  |e verfasserin  |4 aut 
700 1 |a Xu, Weifeng  |e verfasserin  |4 aut 
700 1 |a Zhuo, Zhiqiang  |e verfasserin  |4 aut 
700 1 |a Sun, Zhiyang  |e verfasserin  |4 aut 
700 1 |a Ni, Mingjian  |e verfasserin  |4 aut 
700 1 |a Huang, Wenxin  |e verfasserin  |4 aut 
700 1 |a Yang, Jing  |e verfasserin  |4 aut 
700 1 |a Lin, Yingru  |e verfasserin  |4 aut 
700 1 |a Wang, Lizhi  |e verfasserin  |4 aut 
700 1 |a Li, Hao  |e verfasserin  |4 aut 
700 1 |a Liang, Xinyu  |e verfasserin  |4 aut 
700 1 |a Sun, Ning  |e verfasserin  |4 aut 
700 1 |a Sun, Lili  |e verfasserin  |4 aut 
700 1 |a Bai, Lubing  |e verfasserin  |4 aut 
700 1 |a Han, Yamin  |e verfasserin  |4 aut 
700 1 |a Tao, Youtian  |e verfasserin  |4 aut 
700 1 |a Xu, Man  |e verfasserin  |4 aut 
700 1 |a Yin, Chengrong  |e verfasserin  |4 aut 
700 1 |a An, Xiang  |e verfasserin  |4 aut 
700 1 |a Lin, Jinyi  |e verfasserin  |4 aut 
700 1 |a Huang, Wei  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 36(2024), 30 vom: 24. Juli, Seite e2402708  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
773 1 8 |g volume:36  |g year:2024  |g number:30  |g day:24  |g month:07  |g pages:e2402708 
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