Electric Properties of Organic-on-Inorganic n-Si/VOPc Heterojunction
DOI:
https://doi.org/10.18321/ectj304Abstract
In the current study vanadyl-phthalocyanine (VOPc) thin films were deposited by vacuum evaporation on n-Si substrate resulting in an organic-on-inorganic (n-Si/VOPc) heterojunctions. Ag films were deposited as electrodes. Thicknesses of the VOPc films were in the range of 100-300 nm. The dark I-V characteristics exhibited rectification behavior. The rectification ratio (RR) decreased from 4 to 0.4 as the thickness of the VOPc film decreased. The dark I-V characteristics were simulated by modified Schokley equation and spaace-charge limited currents (SCLC) approach. Investigations were carried out to study the effect of VOPc films thickness on reverse saturation current , diode quality factor and mobility of charge carriers.
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3. P. Sullivan, S. Heutz, S. M. Schultes, and T. S. Jones. App. Phys. Lett. 84 (2004) 1210.
4. Z. Y. Xie and L. S. Hung. App. Phys. Lett. 84 (2004) 1207.
5. M. M. El-Nahass, K. F. Abd-El-Rahman, A. A. M. Farag, A. A. A. Darwish, Organic Electronics, Vol.6 (2005) , pp.129-136.
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15. Lijuan Wang and Guojun Liu , Applied Physics Letters 91, 153508 (2007), pp. 1-3.
16. H.Tada, T.Kawaguchi, A.Koma, Appl.Phys. Lett. 61 (17),26 Oct., (1992), pp. 2021-2023.
17. Yong-le Pan, Xiao-dong Liao, Yingjuan Wu, Ling-bing Chen, You-yuan Zhao, Yuan- hua Shen, Fu-ming Li,
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25. M.A.Lampert, Current Injection in Solids, Acad demic Press, New York, 1970, p. 21.
26. M.Gratzel, Nature, Vol.414, 15 Novemver,(2001), pp. 338-344.
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Published
20-04-2009
How to Cite
Karimov, K. S., Irgaziev, B. F., Mahroof-Tahir, M., Qazi, I., Murtaza, I., Karieva, Z. M., & Senin, H. B. (2009). Electric Properties of Organic-on-Inorganic n-Si/VOPc Heterojunction. Eurasian Chemico-Technological Journal, 11(2), 115–119. https://doi.org/10.18321/ectj304
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