A diarylborane-substituted carbazole as a universal bipolar host material for highly efficient electrophosphorescence devices

Ming-Shiang Lin; Liang-Chen Chi; Hong-Wei Chang; Yi-Hsiang Huang; Kun-Cheng Tien; Chung-Chia Chen; Chih-Hao Chang; Chung-Chih Wu; Atul Chaskar; Shu-Hua Chou; Hao-Chun Ting; Ken-Tsung Wong; Yi-Hong Liu; Yun Chi

doi:10.1039/c1jm13323c

A diarylborane-substituted carbazole as a universal bipolar host material for highly efficient electrophosphorescence devices

Ming-Shiang Lin, Liang-Chen Chi, Hong-Wei Chang, Yi-Hsiang Huang, Kun-Cheng Tien, Chung-Chia Chen, Chih-Hao Chang, Chung-Chih Wu^*, Atul Chaskar, Shu-Hua Chou, Hao-Chun Ting, Ken-Tsung Wong^*, Yi-Hong Liu, Yun Chi

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

100 Citations (Scopus)

Abstract

Recently bipolar phosphorescent host materials have attracted wide attention since they can achieve better charge balance and hence better device performance. In this work, we report the synthesis and physical properties of a novel bipolar host material containing the dimesityl borane/carbazole hybrid, CMesB. With a high triplet energy, CMesB is considered a promising universal host material and has been applied to phosphorescent OLEDs of various colors. Red/green/blue/white (RGBW) OLEDs based on CMesB all show high external quantum efficiencies (20.7% for red, 20.0% for green, 16.5% for blue, and 15.7% for white) at practical brightnesses. The results indicate that the bipolar host CMesB with high triplet energy has high potential in manufacturing RGBW OLEDs for display or lighting applications.

Original language	English
Pages (from-to)	870-876
Journal	Journal of Materials Chemistry
Volume	22
Issue number	3
Online published	11 Nov 2011
DOIs	https://doi.org/10.1039/c1jm13323c
Publication status	Published - 21 Jan 2012
Externally published	Yes

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Lin, M.-S., Chi, L.-C., Chang, H.-W., Huang, Y.-H., Tien, K.-C., Chen, C.-C., Chang, C.-H., Wu, C.-C., Chaskar, A., Chou, S.-H., Ting, H.-C., Wong, K.-T., Liu, Y.-H., & Chi, Y. (2012). A diarylborane-substituted carbazole as a universal bipolar host material for highly efficient electrophosphorescence devices. Journal of Materials Chemistry, 22(3), 870-876. https://doi.org/10.1039/c1jm13323c

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title = "A diarylborane-substituted carbazole as a universal bipolar host material for highly efficient electrophosphorescence devices",

abstract = "Recently bipolar phosphorescent host materials have attracted wide attention since they can achieve better charge balance and hence better device performance. In this work, we report the synthesis and physical properties of a novel bipolar host material containing the dimesityl borane/carbazole hybrid, CMesB. With a high triplet energy, CMesB is considered a promising universal host material and has been applied to phosphorescent OLEDs of various colors. Red/green/blue/white (RGBW) OLEDs based on CMesB all show high external quantum efficiencies (20.7% for red, 20.0% for green, 16.5% for blue, and 15.7% for white) at practical brightnesses. The results indicate that the bipolar host CMesB with high triplet energy has high potential in manufacturing RGBW OLEDs for display or lighting applications.",

author = "Ming-Shiang Lin and Liang-Chen Chi and Hong-Wei Chang and Yi-Hsiang Huang and Kun-Cheng Tien and Chung-Chia Chen and Chih-Hao Chang and Chung-Chih Wu and Atul Chaskar and Shu-Hua Chou and Hao-Chun Ting and Ken-Tsung Wong and Yi-Hong Liu and Yun Chi",

year = "2012",

month = jan,

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doi = "10.1039/c1jm13323c",

language = "English",

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Lin, M-S, Chi, L-C, Chang, H-W, Huang, Y-H, Tien, K-C, Chen, C-C, Chang, C-H, Wu, C-C, Chaskar, A, Chou, S-H, Ting, H-C, Wong, K-T, Liu, Y-H & Chi, Y 2012, 'A diarylborane-substituted carbazole as a universal bipolar host material for highly efficient electrophosphorescence devices', Journal of Materials Chemistry, vol. 22, no. 3, pp. 870-876. https://doi.org/10.1039/c1jm13323c

A diarylborane-substituted carbazole as a universal bipolar host material for highly efficient electrophosphorescence devices. / Lin, Ming-Shiang; Chi, Liang-Chen; Chang, Hong-Wei et al.
In: Journal of Materials Chemistry, Vol. 22, No. 3, 21.01.2012, p. 870-876.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

TY - JOUR

T1 - A diarylborane-substituted carbazole as a universal bipolar host material for highly efficient electrophosphorescence devices

AU - Lin, Ming-Shiang

AU - Chi, Liang-Chen

AU - Chang, Hong-Wei

AU - Huang, Yi-Hsiang

AU - Tien, Kun-Cheng

AU - Chen, Chung-Chia

AU - Chang, Chih-Hao

AU - Wu, Chung-Chih

AU - Chaskar, Atul

AU - Chou, Shu-Hua

AU - Ting, Hao-Chun

AU - Wong, Ken-Tsung

AU - Liu, Yi-Hong

AU - Chi, Yun

PY - 2012/1/21

Y1 - 2012/1/21

N2 - Recently bipolar phosphorescent host materials have attracted wide attention since they can achieve better charge balance and hence better device performance. In this work, we report the synthesis and physical properties of a novel bipolar host material containing the dimesityl borane/carbazole hybrid, CMesB. With a high triplet energy, CMesB is considered a promising universal host material and has been applied to phosphorescent OLEDs of various colors. Red/green/blue/white (RGBW) OLEDs based on CMesB all show high external quantum efficiencies (20.7% for red, 20.0% for green, 16.5% for blue, and 15.7% for white) at practical brightnesses. The results indicate that the bipolar host CMesB with high triplet energy has high potential in manufacturing RGBW OLEDs for display or lighting applications.

AB - Recently bipolar phosphorescent host materials have attracted wide attention since they can achieve better charge balance and hence better device performance. In this work, we report the synthesis and physical properties of a novel bipolar host material containing the dimesityl borane/carbazole hybrid, CMesB. With a high triplet energy, CMesB is considered a promising universal host material and has been applied to phosphorescent OLEDs of various colors. Red/green/blue/white (RGBW) OLEDs based on CMesB all show high external quantum efficiencies (20.7% for red, 20.0% for green, 16.5% for blue, and 15.7% for white) at practical brightnesses. The results indicate that the bipolar host CMesB with high triplet energy has high potential in manufacturing RGBW OLEDs for display or lighting applications.

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JO - Journal of Materials Chemistry

JF - Journal of Materials Chemistry

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A diarylborane-substituted carbazole as a universal bipolar host material for highly efficient electrophosphorescence devices

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