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Proceedings Paper

Optical and electrical properties of some optical thin film materials
Author(s): Z. Y. Zhong; Y. D. Jiang; Wei Zhi Li; X. Yang
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Paper Abstract

A series of optical thin films of organic semiconductor materials including tri-(8-hydroxyquinoline) aluminum (AlQ3), bis-(2-methyl-8-quinolinolato)-4-(phenyl-phenolato)-aluminium-(III) (B(AlQ)), and N,N'-bis(naphthalen-1-yl)-N,N'-bis(phenyl)benzidine (NPB) were prepared by the vacuum sublimation technique. The optical properties in the UV-visible region of the thin films were investigated through measurements of optical transmittance and absorbance spectra. The optical band gaps were obtained from direct allowed transitions at room temperature by means of the Tauc plots. The Urbach energy and the slope of Urbach edge were calculated, respectively according to the Urbach-edges method. In addition, the single-layer structure devices of glass/metal/organic layer/metal were fabricated, and electrical resistivity of the materials were evaluated in term of the measured the current-voltage characteristics of the prepared devices.

Paper Details

Date Published: 9 June 2006
PDF: 6 pages
Proc. SPIE 6149, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 61492E (9 June 2006); doi: 10.1117/12.674282
Show Author Affiliations
Z. Y. Zhong, Univ. of Electronic Science and Technology of China (China)
Y. D. Jiang, Univ. of Electronic Science and Technology of China (China)
Wei Zhi Li, Univ. of Electronic Science and Technology of China (China)
X. Yang, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 6149:
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies
Li Yang; Shangming Wen; Yaolong Chen; Ernst-Bernhard Kley, Editor(s)

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