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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51357

Title: A New Benzimidazole/Carbazole Hybrid Bipolar Material for Highly Efficient Deep-Blue Electrofluorescence, Yellow-Green Electrophosphorescence, and Two-Color–Based White OLEDs
Authors: Wen-Yi Hung
Liang-Chen Chi
Wei-Jiun Chen
You-Ming Chen
Shu-Hua Chou
Ken-Tsung Wong
Contributors: 國立臺灣海洋大學:光電與材料科技學士學位學程(學系)
Date: 2010-11
Issue Date: 2018-11-23T06:50:25Z
Publisher: Journal of Materials Chemistry
Abstract: Abstract: The bipolar molecule CPhBzIm exhibits an excellent solid state photoluminescence quantum yield (ΦPL = 69%), triplet energy (ET = 2.48 eV), and bipolar charge transport ability (μh ≈ μe ≈ 10−6–10−5 cm2 V−1 s−1). We have used it to fabricate a non-doped deep-blue organic light emitting diode (OLED) exhibiting promising performance [ηext = 3%; CIE = (0.16, 0.05)] and to serve as host material for a yellow–green phosphorescent OLED [ηext = 19.2%; CIE = (0.42, 0.56)]. Exploiting these dual roles, we used CPhBzIm in a simple singly doped, two-color-based white OLED (ηext = 7%; CIE = 0.31, 0.33).
Relation: 20(45) pp.10113-10119
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51357
Appears in Collections:[光電科學研究所] 期刊論文

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