High-performance polymer field-effect transistors: from the perspective of multi-level microstructures

The multi-level microstructure of conjugated polymers is the most critical parameter determining the charge transport property in field-effect transistors (FETs). However, controlling the hierarchical microstructures and the structural evolution remains a significant challenge. In this perspective,...

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Published inChemical science (Cambridge) Vol. 12; no. 4; pp. 1193 - 125
Main Authors Yao, Ze-Fan, Wang, Jie-Yu, Pei, Jian
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 24.12.2020
The Royal Society of Chemistry
Subjects
Charge transport
Chemistry
Crystal structure
Field effect transistors
Molecular structure
Polymers
Semiconductor devices
Transistors
Transport properties
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Summary:The multi-level microstructure of conjugated polymers is the most critical parameter determining the charge transport property in field-effect transistors (FETs). However, controlling the hierarchical microstructures and the structural evolution remains a significant challenge. In this perspective, we discuss the key aspects of multi-level microstructures of conjugated polymers towards high-performance FETs. We highlight the recent progress in the molecular structures, solution-state aggregation, and polymer crystal structures, representing the multi-level microstructures of conjugated polymers. By tuning polymer hierarchical microstructures, we attempt to provide several guidelines for developing high-performance polymer FETs and polymer electronics. The multi-level microstructures of conjugated polymers, including solution-state aggregation and crystal structures, are reviewed due to their influence on charge transport in polymer field-effect transistors.
Bibliography:Jian Pei has been working as a professor at Peking University since 2001. He received his undergraduate and Ph.D. degrees in chemistry from Peking University. He was a postdoctoral fellow at the National University of Singapore. From 1998 to 2000, he studied organic semiconductors with Alan J. Heeger at the University of California at Santa Barbara. His current interests focus on the design and synthesis of conjugated molecules and polymers as semiconducting and conducting materials, organic field-effect transistors and thermoelectrics, and the structure-property relationship of organic functional materials.
Jie-Yu Wang is currently an associate professor of organic chemistry in CCME at Peking University. She received her Ph.D. degree in organic chemistry from Peking University in 2009. Her research interests relate to organic synthesis, supramolecular chemistry, and device fabrication of organic conjugated molecules and polymers.
Ze-Fan Yao received his B.Sc. degree in 2016 in chemistry from the College of Chemistry and Molecular Engineering (CCME), Peking University. He started pursuing a Ph.D. degree in 2016 under the supervision of Prof. Jian Pei and Prof. Jie-Yu Wang at CCME. He is currently carrying out research on conjugated polymers and polymer-based field-effect transistors.
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ISSN:2041-6520
2041-6539
DOI:10.1039/d0sc06497a