Stable hole-transporting molecular glasses based on complicated 9,9-diarylfluorenes (CDAFs)

Xiao Ya Hou; Ting Cheng Li; Cheng Rong Yin; Hui Xu; Jian Lin; Yu Ran Hua; Dao Yong Chen; Ling Hai Xie; Wei Huang

doi:10.1016/j.synthmet.2009.01.032

Stable hole-transporting molecular glasses based on complicated 9,9-diarylfluorenes (CDAFs)

Xiao Ya Hou, Ting Cheng Li, Cheng Rong Yin, Hui Xu, Jian Lin, Yu Ran Hua, Dao Yong Chen, Ling Hai Xie, Wei Huang

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

30 Scopus citations

Abstract

A series of complicated 9,9-diarylfluorenes (CDAFs) with highly thermal and morphological stability, end-capped oligothiophenes (T)_n(PF)_m (n = 1-3, m = 2) and triphenylamines TPA(PF)_m (m = 1-3), were synthesized via BF₃·Et₂O-mediated Friedel-Crafts reaction. TPA(PF)₂ with bulky 9-phenylfluorene moieties (PFMs) as a morphological stabilizer possesses excellently amorphous solid state with a glass transition temperature (T_g) up to 140 °C and no T_g was observed for TPA(PF)₃ with high decomposition temperature up to 499 °C. Preliminary characterizations of typical double-layer devices with the configuration of ITO/TPA(PF)₃/AlQ₃/Mg:Ag show luminance efficiency of ca. 2.25 cd/A at 100 cd/m² with a maximum brightness of ca. 8300 cd/m².

Original language	English
Pages (from-to)	1055-1060
Number of pages	6
Journal	Synthetic Metals
Volume	159
Issue number	11
DOIs	https://doi.org/10.1016/j.synthmet.2009.01.032
State	Published - Jun 2009
Externally published	Yes

Keywords

Complicated 9,9-diarylfluorenes (CDAFs)
Friedel-Crafts reaction
Hole-transporting materials
Oligothiophenes
Triphenylamine

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10.1016/j.synthmet.2009.01.032

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title = "Stable hole-transporting molecular glasses based on complicated 9,9-diarylfluorenes (CDAFs)",

abstract = "A series of complicated 9,9-diarylfluorenes (CDAFs) with highly thermal and morphological stability, end-capped oligothiophenes (T)n(PF)m (n = 1-3, m = 2) and triphenylamines TPA(PF)m (m = 1-3), were synthesized via BF3·Et2O-mediated Friedel-Crafts reaction. TPA(PF)2 with bulky 9-phenylfluorene moieties (PFMs) as a morphological stabilizer possesses excellently amorphous solid state with a glass transition temperature (Tg) up to 140 °C and no Tg was observed for TPA(PF)3 with high decomposition temperature up to 499 °C. Preliminary characterizations of typical double-layer devices with the configuration of ITO/TPA(PF)3/AlQ3/Mg:Ag show luminance efficiency of ca. 2.25 cd/A at 100 cd/m2 with a maximum brightness of ca. 8300 cd/m2.",

keywords = "Complicated 9,9-diarylfluorenes (CDAFs), Friedel-Crafts reaction, Hole-transporting materials, Oligothiophenes, Triphenylamine",

author = "Hou, {Xiao Ya} and Li, {Ting Cheng} and Yin, {Cheng Rong} and Hui Xu and Jian Lin and Hua, {Yu Ran} and Chen, {Dao Yong} and Xie, {Ling Hai} and Wei Huang",

year = "2009",

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doi = "10.1016/j.synthmet.2009.01.032",

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AU - Hou, Xiao Ya

AU - Li, Ting Cheng

AU - Yin, Cheng Rong

AU - Xu, Hui

AU - Lin, Jian

AU - Hua, Yu Ran

AU - Chen, Dao Yong

AU - Xie, Ling Hai

AU - Huang, Wei

PY - 2009/6

Y1 - 2009/6

N2 - A series of complicated 9,9-diarylfluorenes (CDAFs) with highly thermal and morphological stability, end-capped oligothiophenes (T)n(PF)m (n = 1-3, m = 2) and triphenylamines TPA(PF)m (m = 1-3), were synthesized via BF3·Et2O-mediated Friedel-Crafts reaction. TPA(PF)2 with bulky 9-phenylfluorene moieties (PFMs) as a morphological stabilizer possesses excellently amorphous solid state with a glass transition temperature (Tg) up to 140 °C and no Tg was observed for TPA(PF)3 with high decomposition temperature up to 499 °C. Preliminary characterizations of typical double-layer devices with the configuration of ITO/TPA(PF)3/AlQ3/Mg:Ag show luminance efficiency of ca. 2.25 cd/A at 100 cd/m2 with a maximum brightness of ca. 8300 cd/m2.

AB - A series of complicated 9,9-diarylfluorenes (CDAFs) with highly thermal and morphological stability, end-capped oligothiophenes (T)n(PF)m (n = 1-3, m = 2) and triphenylamines TPA(PF)m (m = 1-3), were synthesized via BF3·Et2O-mediated Friedel-Crafts reaction. TPA(PF)2 with bulky 9-phenylfluorene moieties (PFMs) as a morphological stabilizer possesses excellently amorphous solid state with a glass transition temperature (Tg) up to 140 °C and no Tg was observed for TPA(PF)3 with high decomposition temperature up to 499 °C. Preliminary characterizations of typical double-layer devices with the configuration of ITO/TPA(PF)3/AlQ3/Mg:Ag show luminance efficiency of ca. 2.25 cd/A at 100 cd/m2 with a maximum brightness of ca. 8300 cd/m2.

KW - Complicated 9,9-diarylfluorenes (CDAFs)

KW - Friedel-Crafts reaction

KW - Hole-transporting materials

KW - Oligothiophenes

KW - Triphenylamine

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DO - 10.1016/j.synthmet.2009.01.032

M3 - 文章

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SN - 0379-6779

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JO - Synthetic Metals

JF - Synthetic Metals

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ER -

Stable hole-transporting molecular glasses based on complicated 9,9-diarylfluorenes (CDAFs)

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