New blue host materials based on anthracene-containing dibenzothiophene

Lei Wang; Zhi Yong Wu; Wai Yeung WONG; Kok Wai CHEAH; Hong Huang; Chin H. Chen

doi:10.1016/j.orgel.2011.01.002

New blue host materials based on anthracene-containing dibenzothiophene

Lei Wang^*, Zhi Yong Wu, Wai Yeung WONG, Kok Wai CHEAH, Hong Huang, Chin H. Chen

^*Corresponding author for this work

Research output: Contribution to journal › Journal article › peer-review

40 Citations (Scopus)

Abstract

A series of novel host blue-emitting materials based on anthracene have been synthesized and investigated in which, a π-electron-rich dibenzothiophene moiety was introduced as a side group to fine adjust the HOMO/LUMO levels of the anthracene and enhance the ability of hole-transport and electron-injection. These materials exhibit good film-forming capabilities, and display strong blue fluorescence in solution. To explore the electroluminescent properties of these materials, sky blue devices of 2-TNATA (60 nm)/NPB (10 nm)/Host: BUBD-1 (40 nm)/Alq₃ (15 nm)/LiF (1 nm)/Al (150 nm) were fabricated. For the device with 9, 10-bis(dibenzothiophen-4-yl)anthracene as the host, an electroluminescence efficiency of 13.14 cd/A and 6.76 lm/W at 20 mA/cm² and 6.09 V were achieved, with Commission Internationale d'Eclairage (CIE_x,y) color coordinates of (x = 0.15, y = 0.30).

Original language	English
Pages (from-to)	595-601
Number of pages	7
Journal	Organic Electronics
Volume	12
Issue number	4
DOIs	https://doi.org/10.1016/j.orgel.2011.01.002
Publication status	Published - Apr 2011

Scopus Subject Areas

Electronic, Optical and Magnetic Materials
Biomaterials
Chemistry(all)
Condensed Matter Physics
Materials Chemistry
Electrical and Electronic Engineering

User-Defined Keywords

Anthracene
Blue material
Dibenzothiophene
Organic light-emitting devices

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10.1016/j.orgel.2011.01.002

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title = "New blue host materials based on anthracene-containing dibenzothiophene",

abstract = "A series of novel host blue-emitting materials based on anthracene have been synthesized and investigated in which, a π-electron-rich dibenzothiophene moiety was introduced as a side group to fine adjust the HOMO/LUMO levels of the anthracene and enhance the ability of hole-transport and electron-injection. These materials exhibit good film-forming capabilities, and display strong blue fluorescence in solution. To explore the electroluminescent properties of these materials, sky blue devices of 2-TNATA (60 nm)/NPB (10 nm)/Host: BUBD-1 (40 nm)/Alq3 (15 nm)/LiF (1 nm)/Al (150 nm) were fabricated. For the device with 9, 10-bis(dibenzothiophen-4-yl)anthracene as the host, an electroluminescence efficiency of 13.14 cd/A and 6.76 lm/W at 20 mA/cm2 and 6.09 V were achieved, with Commission Internationale d'Eclairage (CIEx,y) color coordinates of (x = 0.15, y = 0.30).",

keywords = "Anthracene, Blue material, Dibenzothiophene, Organic light-emitting devices",

author = "Lei Wang and Wu, {Zhi Yong} and WONG, {Wai Yeung} and CHEAH, {Kok Wai} and Hong Huang and Chen, {Chin H.}",

note = "Funding Information: This work was supported by the central allocation grant from Dong hu New & High Technology Development Zone of Wuhan City and the Research Grants Council of Hong Kong SAR (GHP/057/05) and Faculty Research Grant (FRG/05-06/II-43) of HKBU. W.-Y.W. also thanks a grant from Areas of Excellence Scheme, University Grants Committee, Hong Kong (Project No. [AoE/P-03/08]) and Analytical and Testing Centre of Huazhong University of Science and Technology for providing the facilities to carry out measurements. ",

year = "2011",

month = apr,

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language = "English",

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pages = "595--601",

journal = "Organic Electronics",

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AU - Wang, Lei

AU - Wu, Zhi Yong

AU - WONG, Wai Yeung

AU - CHEAH, Kok Wai

AU - Huang, Hong

AU - Chen, Chin H.

N1 - Funding Information: This work was supported by the central allocation grant from Dong hu New & High Technology Development Zone of Wuhan City and the Research Grants Council of Hong Kong SAR (GHP/057/05) and Faculty Research Grant (FRG/05-06/II-43) of HKBU. W.-Y.W. also thanks a grant from Areas of Excellence Scheme, University Grants Committee, Hong Kong (Project No. [AoE/P-03/08]) and Analytical and Testing Centre of Huazhong University of Science and Technology for providing the facilities to carry out measurements.

PY - 2011/4

Y1 - 2011/4

N2 - A series of novel host blue-emitting materials based on anthracene have been synthesized and investigated in which, a π-electron-rich dibenzothiophene moiety was introduced as a side group to fine adjust the HOMO/LUMO levels of the anthracene and enhance the ability of hole-transport and electron-injection. These materials exhibit good film-forming capabilities, and display strong blue fluorescence in solution. To explore the electroluminescent properties of these materials, sky blue devices of 2-TNATA (60 nm)/NPB (10 nm)/Host: BUBD-1 (40 nm)/Alq3 (15 nm)/LiF (1 nm)/Al (150 nm) were fabricated. For the device with 9, 10-bis(dibenzothiophen-4-yl)anthracene as the host, an electroluminescence efficiency of 13.14 cd/A and 6.76 lm/W at 20 mA/cm2 and 6.09 V were achieved, with Commission Internationale d'Eclairage (CIEx,y) color coordinates of (x = 0.15, y = 0.30).

AB - A series of novel host blue-emitting materials based on anthracene have been synthesized and investigated in which, a π-electron-rich dibenzothiophene moiety was introduced as a side group to fine adjust the HOMO/LUMO levels of the anthracene and enhance the ability of hole-transport and electron-injection. These materials exhibit good film-forming capabilities, and display strong blue fluorescence in solution. To explore the electroluminescent properties of these materials, sky blue devices of 2-TNATA (60 nm)/NPB (10 nm)/Host: BUBD-1 (40 nm)/Alq3 (15 nm)/LiF (1 nm)/Al (150 nm) were fabricated. For the device with 9, 10-bis(dibenzothiophen-4-yl)anthracene as the host, an electroluminescence efficiency of 13.14 cd/A and 6.76 lm/W at 20 mA/cm2 and 6.09 V were achieved, with Commission Internationale d'Eclairage (CIEx,y) color coordinates of (x = 0.15, y = 0.30).

KW - Anthracene

KW - Blue material

KW - Dibenzothiophene

KW - Organic light-emitting devices

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JO - Organic Electronics

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New blue host materials based on anthracene-containing dibenzothiophene

Abstract

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