Crystalline conjugated polymers for organic electronics

Itaru Osaka; Kazuo Takimiya

doi:10.1088/1757-899X/54/1/012016

Crystalline conjugated polymers for organic electronics

Itaru Osaka, Kazuo Takimiya

SCI - Chemistry

Research output: Contribution to journal › Conference article

1 Citation (Scopus)

Abstract

We reported the characterization of a series of semiconducting polymers based on naphthodithiophenes (NDTs) and naphthobisthiadiazole (NTz). Four different isomeric NDTs are selectively synthesized using the similar synthetic protocol. The isomeric NDTs provide quite distinct electronic structures and crystallinity of the corresponding polymers and thus the device performances. Polymers with one of the NDT isomers, NDT3, showed high hole mobilities in excess of 0.5 cm²/Vs. On the other hand, an NTz-based polymer exhibited high hole mobility of >0.5 cm²/Vs in OFETs and power conversion efficiencies of >7% in OPVs. These high performances of the present polymers are found to originate in their highly crystalline structures in the thin films.

Original language	English
Article number	012016
Journal	IOP Conference Series: Materials Science and Engineering
Volume	54
Issue number	1
DOIs	https://doi.org/10.1088/1757-899X/54/1/012016
Publication status	Published - 2014
Event	Tsukuba International Conference on Materials Science, TICMS 2013 - Tsukuba, Japan Duration: 2013 Aug 28 → 2013 Sep 6

ASJC Scopus subject areas

Materials Science(all)
Engineering(all)

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Osaka, I., & Takimiya, K. (2014). Crystalline conjugated polymers for organic electronics. IOP Conference Series: Materials Science and Engineering, 54(1), [012016]. https://doi.org/10.1088/1757-899X/54/1/012016

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title = "Crystalline conjugated polymers for organic electronics",

abstract = "We reported the characterization of a series of semiconducting polymers based on naphthodithiophenes (NDTs) and naphthobisthiadiazole (NTz). Four different isomeric NDTs are selectively synthesized using the similar synthetic protocol. The isomeric NDTs provide quite distinct electronic structures and crystallinity of the corresponding polymers and thus the device performances. Polymers with one of the NDT isomers, NDT3, showed high hole mobilities in excess of 0.5 cm2/Vs. On the other hand, an NTz-based polymer exhibited high hole mobility of >0.5 cm2/Vs in OFETs and power conversion efficiencies of >7% in OPVs. These high performances of the present polymers are found to originate in their highly crystalline structures in the thin films.",

author = "Itaru Osaka and Kazuo Takimiya",

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AU - Takimiya, Kazuo

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