期刊
MOLECULAR CRYSTALS AND LIQUID CRYSTALS
卷 529, 期 -, 页码 42-52出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/15421406.2010.495672
关键词
-Alq3; electroluminescence; facial; meridianal Alq3; organic light emitting diode; photoluminescence
资金
- Japan Society for Science Promotion [19560018]
Alq3 was synthesized by mixing 8-quinolinol and Al(OH)3 at about 95 degrees C. The reaction time of 24h leads to formation of -phase Alq3 which is formed by meridianal Alq3, while the reaction time of 100h leads to -Alq3 which is formed by facial Alq3. Unlike the conventional method, -Alq3 was obtained without heating -Alq3 at about 400 degrees C. The and phases were determined by X-ray diffraction, and confirmed by photoluminescence spectra with vibronic structure. Organic light emitting diode (OLED) fabricated using mer-Alq3 shows higher green Alq3 electroluminescence and longer lifetime than OLED fabricated using fac-Alq3.
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