We report the synthesis of new conjugated compounds, 10,10'-Bis(4-tert-butyl-Phenyt)-10H, 10' H-[3,3'] biphenothiazinyl(t-BPBP), 10'-(4-tert-Butyl-Phenyl)- 10' H [ 10, 3'; 7' 10'] terphenothiazine (t-BPTP), 10, 10'-Bis-(4-tert-Butyl-Phenyl)-7,7' diphenothiazyl-10H, 10' H-[3,3'] biphenothiazinyl (t-BPDPBP). The obtained compounds were identified by 1H-NMR, IR and FAB-Mass spectroscopy. All the compounds exhibited high glass transition temperature (T-g) in the range of 118-161 degrees C. The glass transition and crystallization temperature of these materials appear to be rather high among commonly used hole injection material (m-MTDATA). Electro-optical properties were characterized by cyclic voltammetry and photoluminescence spectra. Organic Electro-Luminescence (EL) device with configuration of ITO/t-BPBP (60 nm)/NPB (15 nm)/Alq3 (70 nm)/LiF (1 nm)/Al (200 nm) exhibits a current efficiency 4.53 cd/A and power efficiency of 1.88 lm/W at 10 mA/cm(2) current density. (c) 2005 Elsevier B.V. All rights reserved.
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E China Univ Sci & Technol, Adv Mat Lab, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China
Guilin Univ Technol, Dept Mat & Chem Engn, Guilin 541004, Peoples R ChinaE China Univ Sci & Technol, Adv Mat Lab, Shanghai 200237, Peoples R China
Ding, Guohua
Xu, Zhaowu
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E China Univ Sci & Technol, Adv Mat Lab, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Adv Mat Lab, Shanghai 200237, Peoples R China
Xu, Zhaowu
Zhong, Gaoyu
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Fudan Univ, Adv Mat Lab, Shanghai 200433, Peoples R ChinaE China Univ Sci & Technol, Adv Mat Lab, Shanghai 200237, Peoples R China
Zhong, Gaoyu
Jing, Shuping
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E China Univ Sci & Technol, Adv Mat Lab, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Adv Mat Lab, Shanghai 200237, Peoples R China
Jing, Shuping
Li, Fuyou
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Guilin Univ Technol, Dept Mat & Chem Engn, Guilin 541004, Peoples R ChinaE China Univ Sci & Technol, Adv Mat Lab, Shanghai 200237, Peoples R China
Li, Fuyou
Zhu, Weihong
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E China Univ Sci & Technol, Adv Mat Lab, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Adv Mat Lab, Shanghai 200237, Peoples R China