Pyrene functioned diarylfluorenes as efficient solution processable light emitting molecular glass

Feng Liu; Chao Tang; Qing Quan Chen; Shuang Zhu Li; Hong Bin Wu; Ling Hai Xie; Bo Peng; Wei Wei; Yong Cao; Wei Huang

doi:10.1016/j.orgel.2008.11.014

Pyrene functioned diarylfluorenes as efficient solution processable light emitting molecular glass

Feng Liu, Chao Tang, Qing Quan Chen, Shuang Zhu Li, Hong Bin Wu, Ling Hai Xie, Bo Peng, Wei Wei, Yong Cao, Wei Huang

科研成果: 期刊稿件 › 文章 › 同行评审

46 引用（Scopus）

摘要

In this paper, we described a new category of solution processable small molecule organic light emitting materials, the pyrene functioned diarylfluorenes: 2PE-PPF and DPE-PPF. They emit blue light in solution and green light in film, and show high thermal stability with the 5% weight loss temperature (T_d) over 400 °C. The glass transition temperature (T_g) for 2PE-PPF and DPE-PPF is 102 °C and 147 °C, respectively. These molecules are interesting molecular glass and they have good film forming abilities. Smooth and uniform film could be obtained by spin-coating. This character enables them able to be used in solution processed OLEDs by spin-coating or jet-printing. Single layered device using 2PE-PPF as the active material shows a turn-on voltage of 3.2 V, brightness over 8000 cd/m² and current efficiency up to 2.55 cd/A. Double layered device by inserting TPBI as the hole-blocking electron-transporting layer increases the maximum efficiency to 5.83 cd/A.

源语言	英语
页（从-至）	256-265
页数	10
期刊	Organic Electronics
卷	10
期	2
DOI	https://doi.org/10.1016/j.orgel.2008.11.014
出版状态	已出版 - 4月 2009
已对外发布	是

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title = "Pyrene functioned diarylfluorenes as efficient solution processable light emitting molecular glass",

abstract = "In this paper, we described a new category of solution processable small molecule organic light emitting materials, the pyrene functioned diarylfluorenes: 2PE-PPF and DPE-PPF. They emit blue light in solution and green light in film, and show high thermal stability with the 5% weight loss temperature (Td) over 400 °C. The glass transition temperature (Tg) for 2PE-PPF and DPE-PPF is 102 °C and 147 °C, respectively. These molecules are interesting molecular glass and they have good film forming abilities. Smooth and uniform film could be obtained by spin-coating. This character enables them able to be used in solution processed OLEDs by spin-coating or jet-printing. Single layered device using 2PE-PPF as the active material shows a turn-on voltage of 3.2 V, brightness over 8000 cd/m2 and current efficiency up to 2.55 cd/A. Double layered device by inserting TPBI as the hole-blocking electron-transporting layer increases the maximum efficiency to 5.83 cd/A.",

keywords = "Fluorescence pyrene light emitting diodes molecular electronics",

author = "Feng Liu and Chao Tang and Chen, {Qing Quan} and Li, {Shuang Zhu} and Wu, {Hong Bin} and Xie, {Ling Hai} and Bo Peng and Wei Wei and Yong Cao and Wei Huang",

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doi = "10.1016/j.orgel.2008.11.014",

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AU - Liu, Feng

AU - Tang, Chao

AU - Chen, Qing Quan

AU - Li, Shuang Zhu

AU - Wu, Hong Bin

AU - Xie, Ling Hai

AU - Peng, Bo

AU - Wei, Wei

AU - Cao, Yong

AU - Huang, Wei

PY - 2009/4

Y1 - 2009/4

N2 - In this paper, we described a new category of solution processable small molecule organic light emitting materials, the pyrene functioned diarylfluorenes: 2PE-PPF and DPE-PPF. They emit blue light in solution and green light in film, and show high thermal stability with the 5% weight loss temperature (Td) over 400 °C. The glass transition temperature (Tg) for 2PE-PPF and DPE-PPF is 102 °C and 147 °C, respectively. These molecules are interesting molecular glass and they have good film forming abilities. Smooth and uniform film could be obtained by spin-coating. This character enables them able to be used in solution processed OLEDs by spin-coating or jet-printing. Single layered device using 2PE-PPF as the active material shows a turn-on voltage of 3.2 V, brightness over 8000 cd/m2 and current efficiency up to 2.55 cd/A. Double layered device by inserting TPBI as the hole-blocking electron-transporting layer increases the maximum efficiency to 5.83 cd/A.

AB - In this paper, we described a new category of solution processable small molecule organic light emitting materials, the pyrene functioned diarylfluorenes: 2PE-PPF and DPE-PPF. They emit blue light in solution and green light in film, and show high thermal stability with the 5% weight loss temperature (Td) over 400 °C. The glass transition temperature (Tg) for 2PE-PPF and DPE-PPF is 102 °C and 147 °C, respectively. These molecules are interesting molecular glass and they have good film forming abilities. Smooth and uniform film could be obtained by spin-coating. This character enables them able to be used in solution processed OLEDs by spin-coating or jet-printing. Single layered device using 2PE-PPF as the active material shows a turn-on voltage of 3.2 V, brightness over 8000 cd/m2 and current efficiency up to 2.55 cd/A. Double layered device by inserting TPBI as the hole-blocking electron-transporting layer increases the maximum efficiency to 5.83 cd/A.

KW - Fluorescence pyrene light emitting diodes molecular electronics

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Pyrene functioned diarylfluorenes as efficient solution processable light emitting molecular glass

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