NIMTE OpenIR  > 2018专题
Multifunctional blue AIE emitters for efficient organic light emitting devices with low efficiency roll-off
Islam, Amjad; Zhang, Dongdong; Guan, Qian; Hong, Ling; Song, Wei; Huang, Jiaming; Peng, Ruixiang; Duan, Lian; Wei, Qiang; Ge, Ziyi
2018
Source PublicationDYES AND PIGMENTS
Volume157Pages:251-258
AbstractBlue organic light-emitting diodes (OLEDs) have gained tremendous attraction owing to their promising potential for flat-panel display technologies and lighting application. To make the OLEDs more useful, efficient materials are highly desired. Herein, two novel multifunctional sky-blue emitters, TPE-m-PCzI and TPE-m-TPAI, have been developed with the integration of imidazole, carbazole, triphenyl amine and tetraphenylethene groups. These materials show high photoluminescence quantum yields. Aggregation-induced emission (ME) behavior, thermal stability and glass transition temperatures of these materials are also examined. Non-doped OLEDs fabricated employing these materials as emitters exhibit sky-blue electroluminescence and demonstrate high efficiencies of 2.22% (4.56 cd/A, 3.15 lm/W) and 3.1% (5.74 cd/A, 3.311m/W) for TPE-m-PCzI and TPE-m-TPAI. High performance of TPE-m-TPAI based device shows a bright prospect of imidazole and AIEgen integration to prepare efficient fluorescent materials for OLED devices.
KeywordAggregation-induced Emission Triphenylamine-benzimidazole Derivatives Minor Structural Modifications External Quantum Efficiency Donor-acceptor Molecule Non-doped Oleds Highly Efficient Deep-blue Solid-state Phosphorescent Oleds
Subject AreaEngineering ; Science & Technology - Other Topics ; Materials Science ; Physics
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17176
Collection2018专题
Recommended Citation
GB/T 7714
Islam, Amjad,Zhang, Dongdong,Guan, Qian,et al. Multifunctional blue AIE emitters for efficient organic light emitting devices with low efficiency roll-off[J]. DYES AND PIGMENTS,2018,157:251-258.
APA Islam, Amjad.,Zhang, Dongdong.,Guan, Qian.,Hong, Ling.,Song, Wei.,...&Ge, Ziyi.(2018).Multifunctional blue AIE emitters for efficient organic light emitting devices with low efficiency roll-off.DYES AND PIGMENTS,157,251-258.
MLA Islam, Amjad,et al."Multifunctional blue AIE emitters for efficient organic light emitting devices with low efficiency roll-off".DYES AND PIGMENTS 157(2018):251-258.
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