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Proceedings Paper

Effects of substrate temperature on properties of Alq3 amorphous layers prepared by vacuum deposition
Author(s): 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
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Paper Abstract

In this report, various organic Alq3 amorphous layers are prepared by vacuum deposition at different substrate temperatures Tsub (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 Tsub 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.

Paper Details

Date Published: 25 August 2006
PDF: 9 pages
Proc. SPIE 6336, Organic Field-Effect Transistors V, 63361A (25 August 2006); doi: 10.1117/12.678161
Show Author Affiliations
K. C. Chiu, Chung Yuan Christian Univ. (Taiwan)
Z. A. Jian, Chung Yuan Christian Univ. (Taiwan)
Y. Z. Luo, Chung Yuan Christian Univ. (Taiwan)
J. M. Chung, Chung Yuan Christian Univ. (Taiwan)
S. J. Tang, Chung Yuan Christian Univ. (Taiwan)
M. C. Kuo, Chung Yuan Christian Univ. (Taiwan)
J. L. Shen, Chung Yuan Christian Univ. (Taiwan)
W. C. Chou, National Chiao Tung Univ. (Taiwan)
C. S. Yang, National Chiao Tung Univ. (Taiwan)

Published in SPIE Proceedings Vol. 6336:
Organic Field-Effect Transistors V
Zhenan Bao; David J. Gundlach, Editor(s)

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