Abstract
The effect of a nm-thick interlayer of copper phthalocyanine (CuPc) or perylene dye (MePTCDI) on currentvoltage characteristics of planar organic systems is discussed in this work. The MePTCDI layer in the ITO/MePTCDI/CuPc/Au system strongly reduces reverse dark current by blocking injection of holes from ITOinto CuPc leading to high values of rectification ratio. The CuPc interlayer in the ITO/CuPc/MePTCDI/Ag system causes a strong reduction in electron injection from ITOand reverses a forward polarity. Modification of current-voltage characteristics of illuminated systems with an interlayer of MePTCDI or CuPc is associated with a strong photovoltaic effect. This results from efficient excition dissociation at the CuPc/MePTCDI interface. Saturation current, determined by this process of charge carrier photogeneration, can be observed at particular voltage polarity.
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References
S. S. Sun, N. S. Sariciftci, Organic Photovoltaics (Taylor & Francis, Singapore, 2005)
K. Kanai et al., Org. Electron. 11, 188 (2010)
A. Godoy et al., Sol. Energy Mater. Sol. Cells 94, 648 (2010)
S. W. Cho et al., J. Phys. Chem. C 114, 18252 (2010)
P. I. Stakhira et al., Cent. Eur. J. Phys. 8, 798 (2010)
I. Hancox, L. A. Rochford, D. Clare, P. Sullivan, T. S. Jones, Appl. Phys. Lett. 99, 013304 (2011)
R. Signerski, G. Jarosz, Opto.-Electron. Rev. 19, 70 (2011)
Z. B. Wang, M. G. Helander, M. T. Greiner, J. Qiu, Z. H. Lu, Phys. Rev. B 80, 235325 (2009)
C. W. Tang, Appl. Phys. Lett. 48, 183 (1986)
L. Zhu et al., Synth. Met. 126, 331 (2002)
S. M. Tadayyon et al., Org. Electron. 5, 199 (2004)
Chong-an Di et al., Appl. Phys. Lett. 89, 033502 (2006)
R. Signerski, G. Jarosz, Photonics Lett. Poland 3, 107 (2011)
I. G. Hill, J. Schwartz, A. Kahn, Org. Electron. 1, 5 (2000)
A. Kahn, N. Koch, W. Gao, J. Polym. Sci. Pol. Phys. 41, 2529 (2003)
M. Knupfer, H. Peisert, Phys. Stat. Sol. A 201, 1055 (2004)
H. Vazquez, W. Gao, F. Flores, A. Kahn, Phys. Rev. B 71, 041306 (2005)
T. U. Kampen, A. Das, S. Park, W. Hoyer, D. R. T. Zahn, Appl. Surf. Sci. 234, 333 (2004)
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Signerski, R., Jarosz, G. Modification of current-voltage characteristics of planar organic systems by nm-thick copper phthalocyanine or perylene dye interlayer. centr.eur.j.phys. 11, 264–268 (2013). https://doi.org/10.2478/s11534-012-0162-4
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DOI: https://doi.org/10.2478/s11534-012-0162-4