scholarly journals Engineering Donor-Acceptor Conjugated Polymers for High-Performance and Fast-Response Organic Electrochemical Transistors

Author(s):  
Hanyu Jia ◽  
Zhen Huang ◽  
Peiyun Li ◽  
Yunfei Wang ◽  
Song Zhang ◽  
...  

To date, high-performance organic electrochemical transistors (OECTs) are mostly based on polythiophene systems. Donor-acceptor (D-A) conjugated polymers are expected to be promising materials for OECTs owing to their high mobility...

2020 ◽  
Author(s):  
Hanyu Jia ◽  
Zhen Huang ◽  
Peiyun Li ◽  
song zhang ◽  
yunfei wang ◽  
...  

To date, high-performance organic electrochemical transistors (OECTs) are all based on polythiophene systems. Donor-acceptor (D-A) conjugated polymers are expected to be promising materials for OECTs owing to their high mobility and comparatively low crystallinity (good for ion diffusion). However, the OECT performance of D-A polymers lags far behind that of the polythiophenes. Here we synergistically engineered the backbone, side chain of a series of diketopyrrolopyrrole (DPP)-based D-A polymers and found that redox potential, molecular weight, solution processability, and film microstructures are essential to their performance. Among the polymers, P(bgDPP-MeOT2) exhibited a figure-of-merit (μC*) of 225 F cm<sup>–1</sup> V<sup>–1</sup> s<sup>–1</sup>, <a>over one order of magnitude higher than previously reported D-A polymers. Besides, the DPP polymers exhibited high hole mobility over 2 cm<sup>2</sup> V</a><sup>−1</sup> s<sup>−1</sup>, significantly higher than all D-A polymers employed in OECTs, leading to fast response OECTs with a record low turn-off response time of 30 μs. <a>The polymer also exhibited better stability than polythiophene systems with current retention of 98.8% over 700 electrochemical switching cycles.</a> This work provides a systematic solution to unleash the high-performance and fast-response nature of D-A polymers in OECTs.


2020 ◽  
Author(s):  
Hanyu Jia ◽  
Zhen Huang ◽  
Peiyun Li ◽  
song zhang ◽  
yunfei wang ◽  
...  

To date, high-performance organic electrochemical transistors (OECTs) are all based on polythiophene systems. Donor-acceptor (D-A) conjugated polymers are expected to be promising materials for OECTs owing to their high mobility and comparatively low crystallinity (good for ion diffusion). However, the OECT performance of D-A polymers lags far behind that of the polythiophenes. Here we synergistically engineered the backbone, side chain of a series of diketopyrrolopyrrole (DPP)-based D-A polymers and found that redox potential, molecular weight, solution processability, and film microstructures are essential to their performance. Among the polymers, P(bgDPP-MeOT2) exhibited a figure-of-merit (μC*) of 225 F cm<sup>–1</sup> V<sup>–1</sup> s<sup>–1</sup>, <a>over one order of magnitude higher than previously reported D-A polymers. Besides, the DPP polymers exhibited high hole mobility over 2 cm<sup>2</sup> V</a><sup>−1</sup> s<sup>−1</sup>, significantly higher than all D-A polymers employed in OECTs, leading to fast response OECTs with a record low turn-off response time of 30 μs. <a>The polymer also exhibited better stability than polythiophene systems with current retention of 98.8% over 700 electrochemical switching cycles.</a> This work provides a systematic solution to unleash the high-performance and fast-response nature of D-A polymers in OECTs.


2017 ◽  
Vol 8 (4) ◽  
pp. 3126-3136 ◽  
Author(s):  
Sachin R. Chaudhari ◽  
John M. Griffin ◽  
Katharina Broch ◽  
Anne Lesage ◽  
Vincent Lemaur ◽  
...  

DPP-DTT adopts a donor-on-acceptor stacking arrangement which is preserved in thin films.


2021 ◽  
pp. 1061-1067
Author(s):  
Xuyi Luo ◽  
Hongguang Shen ◽  
Kuluni Perera ◽  
Dung Trong Tran ◽  
Bryan W. Boudouris ◽  
...  

2017 ◽  
Vol 29 (13) ◽  
pp. 1606217 ◽  
Author(s):  
Yao Gao ◽  
Yunfeng Deng ◽  
Hongkun Tian ◽  
Jidong Zhang ◽  
Donghang Yan ◽  
...  

2015 ◽  
Vol 6 (9) ◽  
pp. 1487-1494 ◽  
Author(s):  
Qun Ye ◽  
Wei Teng Neo ◽  
Tingting Lin ◽  
Jing Song ◽  
Hong Yan ◽  
...  

Novel solution-processable pyrrolophthalazine dione-containing electrochromic conjugated polymers with high optical contrast, high coloration efficiency, and good long-term stability were reported.


2020 ◽  
Vol 6 (3) ◽  
pp. 1900945 ◽  
Author(s):  
Jing Guo ◽  
Guodong Li ◽  
Heiko Reith ◽  
Lang Jiang ◽  
Ming Wang ◽  
...  

Author(s):  
Naixiang Wang ◽  
Liuping Xie ◽  
Haifeng Ling ◽  
Venkatesh Piradi ◽  
Li Li ◽  
...  

The synthesis of conjugated polymers specifically for organic electrochemical transistors (OECTs) has attracted much attention recently for the great potential in biological applications. In this case, not only the carrier...


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