Molecular modification of 2,7-diphenyl[1]benzothieno[3,2-b]benzothiophene (DPh-BTBT) with diarylamino substituents: From crystalline order to amorphous state in evaporated thin films

Takafumi Izawa; Hiroki Mori; Yusuke Shinmura; Masahito Iwatani; Eigo Miyazaki; Kazuo Takimiya; Hsio Wen Hung; Masayuki Yahiro; Chihaya Adachi

doi:10.1246/cl.2009.420

Molecular modification of 2,7-diphenyl[1]benzothieno[3,2-b]benzothiophene (DPh-BTBT) with diarylamino substituents: From crystalline order to amorphous state in evaporated thin films

Takafumi Izawa, Hiroki Mori, Yusuke Shinmura, Masahito Iwatani, Eigo Miyazaki, Kazuo Takimiya, Hsio Wen Hung, Masayuki Yahiro, Chihaya Adachi

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Introduction of diarylamino substituents on 2,7-dipheny][1]-benzothieno[3, 2-b]benzothiophene (DPh-BTBT) caused morphological change in the evaporated thin-film state: from highly crystalline films with edge-on molecular orientation for DPh-BTBT to amorphous films for the diarylamino derivatives. The former was unsuitable as a hole-transporting layer in organic light-emitting diodes (OLEDs), whereas the latter acted as a superior hole-transporting layer in multilayered OLEDs.

Original language	English
Pages (from-to)	420-421
Number of pages	2
Journal	Chemistry Letters
Volume	38
Issue number	5
DOIs	https://doi.org/10.1246/cl.2009.420
Publication status	Published - 2009
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)

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Izawa, T., Mori, H., Shinmura, Y., Iwatani, M., Miyazaki, E., Takimiya, K., Hung, H. W., Yahiro, M., & Adachi, C. (2009). Molecular modification of 2,7-diphenyl[1]benzothieno[3,2-b]benzothiophene (DPh-BTBT) with diarylamino substituents: From crystalline order to amorphous state in evaporated thin films. Chemistry Letters, 38(5), 420-421. https://doi.org/10.1246/cl.2009.420

Izawa, T, Mori, H, Shinmura, Y, Iwatani, M, Miyazaki, E, Takimiya, K, Hung, HW, Yahiro, M & Adachi, C 2009, 'Molecular modification of 2,7-diphenyl[1]benzothieno[3,2-b]benzothiophene (DPh-BTBT) with diarylamino substituents: From crystalline order to amorphous state in evaporated thin films', Chemistry Letters, vol. 38, no. 5, pp. 420-421. https://doi.org/10.1246/cl.2009.420

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abstract = "Introduction of diarylamino substituents on 2,7-dipheny][1]-benzothieno[3, 2-b]benzothiophene (DPh-BTBT) caused morphological change in the evaporated thin-film state: from highly crystalline films with edge-on molecular orientation for DPh-BTBT to amorphous films for the diarylamino derivatives. The former was unsuitable as a hole-transporting layer in organic light-emitting diodes (OLEDs), whereas the latter acted as a superior hole-transporting layer in multilayered OLEDs.",

author = "Takafumi Izawa and Hiroki Mori and Yusuke Shinmura and Masahito Iwatani and Eigo Miyazaki and Kazuo Takimiya and Hung, {Hsio Wen} and Masayuki Yahiro and Chihaya Adachi",

year = "2009",

doi = "10.1246/cl.2009.420",

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T1 - Molecular modification of 2,7-diphenyl[1]benzothieno[3,2-b]benzothiophene (DPh-BTBT) with diarylamino substituents

T2 - From crystalline order to amorphous state in evaporated thin films

AU - Izawa, Takafumi

AU - Mori, Hiroki

AU - Shinmura, Yusuke

AU - Iwatani, Masahito

AU - Miyazaki, Eigo

AU - Takimiya, Kazuo

AU - Hung, Hsio Wen

AU - Yahiro, Masayuki

AU - Adachi, Chihaya

PY - 2009

Y1 - 2009

N2 - Introduction of diarylamino substituents on 2,7-dipheny][1]-benzothieno[3, 2-b]benzothiophene (DPh-BTBT) caused morphological change in the evaporated thin-film state: from highly crystalline films with edge-on molecular orientation for DPh-BTBT to amorphous films for the diarylamino derivatives. The former was unsuitable as a hole-transporting layer in organic light-emitting diodes (OLEDs), whereas the latter acted as a superior hole-transporting layer in multilayered OLEDs.

AB - Introduction of diarylamino substituents on 2,7-dipheny][1]-benzothieno[3, 2-b]benzothiophene (DPh-BTBT) caused morphological change in the evaporated thin-film state: from highly crystalline films with edge-on molecular orientation for DPh-BTBT to amorphous films for the diarylamino derivatives. The former was unsuitable as a hole-transporting layer in organic light-emitting diodes (OLEDs), whereas the latter acted as a superior hole-transporting layer in multilayered OLEDs.

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Molecular modification of 2,7-diphenyl[1]benzothieno[3,2-b]benzothiophene (DPh-BTBT) with diarylamino substituents: From crystalline order to amorphous state in evaporated thin films

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