Super-exchange-induced high performance charge transport in donor–acceptor copolymers

2017 ◽  
Vol 5 (13) ◽  
pp. 3247-3253 ◽  
Author(s):  
Changli Cheng ◽  
Hua Geng ◽  
Yuanping Yi ◽  
Zhigang Shuai
Keyword(s):  
Charge Transport ◽  
High Performance ◽  
High Mobility ◽  
Design Strategy ◽  
Donor Acceptor ◽  
Induced Charge

Super-exchange-induced charge transport is proposed in donor–acceptor copolymers, and the corresponding design strategy for high mobility polymers is put forward.

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

2020 ◽  
Author(s):  
Hanyu Jia ◽  
Zhen Huang ◽  
Peiyun Li ◽  
song zhang ◽  
yunfei wang ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
High Performance ◽  
High Mobility ◽  
Hole Mobility ◽  
Fast Response ◽  
Ion Diffusion ◽  
Order Of Magnitude ◽  
Donor Acceptor ◽  
Systematic Solution ◽  
Organic Electrochemical Transistors

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.

scholarly journals Reduced exchange narrowing caused by gate-induced charge carriers in high-mobility donor–acceptor copolymers

2017 ◽  
Vol 95 (11) ◽  
Author(s):  
Jun'ya Tsutsumi ◽  
Satoshi Matsuoka ◽  
Itaru Osaka ◽  
Reiji Kumai ◽  
Tatsuo Hasegawa
Keyword(s):  
High Mobility ◽  
Charge Carriers ◽  
Donor Acceptor ◽  
Induced Charge ◽  
Exchange Narrowing

Polymorphism as an emerging design strategy for high performance organic electronics

2016 ◽  
Vol 4 (18) ◽  
pp. 3915-3933 ◽  
Author(s):  
Hyunjoong Chung ◽  
Ying Diao
Keyword(s):  
Charge Transport ◽  
Organic Electronics ◽  
High Performance ◽  
Design Strategy ◽  
Molecular Packing ◽  
Design Tool ◽  
Fundamental Understanding ◽  
Electronic Performance ◽  
The Relationship

In this review, we present a unique perspective of polymorphism as a design tool to enhance electronic performance and fundamental understanding of the relationship between charge transport and molecular packing in organic electronics.

Superexchange Induced Charge Transport in Organic Donor–Acceptor Cocrystals and Copolymers: A Theoretical Perspective

2019 ◽  
Vol 31 (17) ◽  
pp. 6424-6434 ◽  
Author(s):  
Hua Geng ◽  
Lingyun Zhu ◽  
Yuanping Yi ◽  
Daoben Zhu ◽  
Zhigang Shuai
Keyword(s):  
Charge Transport ◽  
Theoretical Perspective ◽  
Donor Acceptor ◽  
Induced Charge

scholarly journals Doping High‐Mobility Donor–Acceptor Copolymer Semiconductors with an Organic Salt for High‐Performance Thermoelectric Materials

2020 ◽  
Vol 6 (3) ◽  
pp. 1900945 ◽  
Author(s):  
Jing Guo ◽  
Guodong Li ◽  
Heiko Reith ◽  
Lang Jiang ◽  
Ming Wang ◽  
...  
Keyword(s):  
Thermoelectric Materials ◽  
High Performance ◽  
High Mobility ◽  
Organic Salt ◽  
Donor Acceptor

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

2020 ◽  
Author(s):  
Hanyu Jia ◽  
Zhen Huang ◽  
Peiyun Li ◽  
song zhang ◽  
yunfei wang ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
High Performance ◽  
High Mobility ◽  
Hole Mobility ◽  
Fast Response ◽  
Ion Diffusion ◽  
Order Of Magnitude ◽  
Donor Acceptor ◽  
Systematic Solution ◽  
Organic Electrochemical Transistors

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.

Theoretical design and characterization of pyridalthiadiazole-based chromophores with fast charge transfer at donor/acceptor interface toward small molecule organic photovoltaics

RSC Advances ◽  
2015 ◽  
Vol 5 (37) ◽  
pp. 29401-29411 ◽  
Author(s):  
Shuang-Bao Li ◽  
Yu-Ai Duan ◽  
Yun Geng ◽  
Hong-Ze Gao ◽  
Yong-Qing Qiu ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Charge Transport ◽  
Small Molecule ◽  
Organic Photovoltaics ◽  
Effective Charge ◽  
High Performance ◽  
Fast Charge ◽  
Theoretical Design ◽  
Donor Acceptor

The designed 2, 3, and 5 will be promising donor candidates for high-performance OPV device due to their fast intermolecular charge transfer and effective charge transport.

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

2021 ◽  
Author(s):  
Hanyu Jia ◽  
Zhen Huang ◽  
Peiyun Li ◽  
Yunfei Wang ◽  
Song Zhang ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
High Performance ◽  
High Mobility ◽  
Fast Response ◽  
Donor Acceptor ◽  
Organic Electrochemical Transistors

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...

A Recommender System for Inverse Design of Polycarbonates and Polyesters

2020 ◽  
Author(s):  
Nathaniel Park ◽  
Dmitry Yu. Zubarev ◽  
James L. Hedrick ◽  
Vivien Kiyek ◽  
Christiaan Corbet ◽  
...  
Keyword(s):  
Ring Opening ◽  
High Performance ◽  
Recommendation System ◽  
Polymeric Materials ◽  
Monomer Conversion ◽  
Design Strategy ◽  
Ring Opening Polymerization ◽  
Inverse Design ◽  
False Negatives ◽  
Accelerate Development

The convergence of artificial intelligence and machine learning with material science holds significant promise to rapidly accelerate development timelines of new high-performance polymeric materials. Within this context, we report an inverse design strategy for polycarbonate and polyester discovery based on a recommendation system that proposes polymerization experiments that are likely to produce materials with targeted properties. Following recommendations of the system driven by the historical ring-opening polymerization results, we carried out experiments targeting specific ranges of monomer conversion and dispersity of the polymers obtained from cyclic lactones and carbonates. The results of the experiments were in close agreement with the recommendation targets with few false negatives or positives obtained for each class.<br>

CHASSIS DESIGN & PERFORMANCE ANALYSIS FOR THE EUROPEAN EXOMARS ROVER

2005 ◽  
Vol 29 (4) ◽  
pp. 507-517
Author(s):  
Alex Ellery ◽  
Lutz Richter ◽  
Reinhold Bertrand
Keyword(s):  
Performance Analysis ◽  
Weight Distribution ◽  
High Performance ◽  
High Mobility ◽  
Scientific Instrument ◽  
Equal Weight ◽  
Scientific Instruments ◽  
Design Issues ◽  
Martian Surface ◽  
Considerable Size

The European Space Agency’s (ESA) ExoMars rover has recently been subject to a Phase A study led by EADS Astrium, UK. This rover mission represents a highly ambitious venture in that the rover is of considerable size ~200+kg with high mobility carrying a highly complex scientific instrument suite (Pasteur) of up to 40 kg in mass devoted to exobiological investigation of the Martian surface and sub-surface. The chassis design has been a particular challenge given the inhospitable terrain on Mars and the need to traverse such terrain robustly in order to deliver the scientific instruments to science targets of exobiological interest, We present some of the results and design issues encountered during the Phase A study related to the chassis. In particular, we have focussed on the overall tractive performance of a number of candidate chassis designs and selected the RCL (Science & Technology Rover Company Ltd in Russian) concept C design as the baseline option in terms of high performance with minimal mechanical complexity overhead. This design is a six-wheeled double-rocker bogie design to provide springless suspension and maintain approximately equal weight distribution across each wheel.

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