CARRIER TRANSPORT AND CARRIER TRAP OF 8-HYDROXYQUINOLINE ALUMINUM THIS FILMS

被引:21
作者
MORI, T
MIYAKE, S
MIZUTANI, T
机构
[1] Department of Electrical Engineering, School of Engineering, Nagoya University, Nagoya, 464-01, Furo-cho, Chikusa-ku
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1995年 / 34卷 / 8A期
关键词
ORGANIC THIN FILM; ELECTROLUMINESCENCE; CARRIER TRANSPORT; CARRIER TRAPS; TSC METHOD; SCLC MODEL; TRAP DEPTH; TRAP DENSITY;
D O I
10.1143/JJAP.34.4120
中图分类号
O59 [应用物理学];
学科分类号
摘要
We estimated the trap depth and the trap density of evaporated 8-hydroxyquinoline aluminium (ALq3) thin film using the space charge limited current (SCLC) model and the thermal stimulated current (TSC) method. The current of Alq3 with thickness greater than 200 nm-thickness showed SCLC-like characteristics. The TSC of Alq3 had a peak around -40 degrees C. The trap depth was estimated to be 0.80 eV. The trap density was estimated to be 1.0 x 10(17) cm(-3) (SCLC) and 1.4 x 10(15) cm(-3) (TSC). The trap influenced the electrical conduction in Alq3 thin film, but it was not the major contributor to EL of Alq3.
引用
收藏
页码:4120 / 4121
页数:2
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