Effects of substrate temperature on properties of Alq3 amorphous layers prepared by vacuum deposition

K. C. Chiu; Z. A. Jian; Y. Z. Luo; J. M. Chung; S. J. Tang; M. C. Kuo; J. L. Shen; W. C. Chou; C. S. Yang

doi:10.1117/12.678161

25 August 2006 Effects of substrate temperature on properties of Alq3 amorphous layers prepared by vacuum deposition

K. C. Chiu, Z. A. Jian, Y. Z. Luo, J. M. Chung, S. J. Tang, M. C. Kuo, J. L. Shen, W. C. Chou, C. S. Yang

Proceedings Volume 6336, Organic Field-Effect Transistors V; 63361A (2006) https://doi.org/10.1117/12.678161
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

In this report, various organic Alq3 amorphous layers are prepared by vacuum deposition at different substrate temperatures T_sub (from 30 to 180°C). The surface morphology, structural information, electrical and optical properties of these as-deposited layers are investigated by atomic force microscopy, X-ray diffraction, J-E curves, and photoluminescence studies, respectively. Furthermore, a temperature dependence of dark electrical conductivity σ(T) deduced from J-E curves of these organic amorphous layers is presented. Finally, effects from T_sub on the physical properties of these organic Alq3 amorphous layers are discussed and a model based on a thermal interconversion between Alq3 isomers is proposed to explain these experimental results.

Citation Download Citation

K. C. Chiu, Z. A. Jian, Y. Z. Luo, J. M. Chung, S. J. Tang, M. C. Kuo, J. L. Shen, W. C. Chou, and C. S. Yang "Effects of substrate temperature on properties of Alq3 amorphous layers prepared by vacuum deposition", Proc. SPIE 6336, Organic Field-Effect Transistors V, 63361A (25 August 2006); https://doi.org/10.1117/12.678161

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