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The work presents new way of extraction of charge carrier mobility from small signal spectra of admittance. It can be a useful method for thin organic layers in a sandwich arrangement. It is better than the version of small signal admittance currently applied for getting charge carrier mobility, since the final result is not charged with uncertainty of geometric capacitance and the upper limit of measurable charge carrier mobility is higher.
Wydawca
Czasopismo
Rocznik
Tom
Strony
474--477
Opis fizyczny
Bibliogr. 22 poz.
Twórcy
autor
autor
- Department of Applied Physics and Mathematics, Gdańsk University of Technology, 80-233 Gdańsk, Poland, zofia@mif.pg.gda.pl
Bibliografia
- [1] N. Karl, “Charge-carrier mobility in organic crystals”, in Organic Electronic Materials, pp. 283-326, edited by R. Farchioni and G. Grosso, Springer-Verlag, Berlin Heidelberg, 2001.
- [2] J. Sworakowski and J. Ulański, “Electric properties of organic materials”, Annu. Rep. Chem. C99, 87-125 (2003).
- [3] V. Coropceanu, J. Cornil, D.A. da Silva Filho, Y. Olivier, R. Silbey, and J. L. Brédas, “Charge transport in organic semiconductors”, Chem. Rev. 107, 926-952 (2007).
- [4] P. Stallinga, A. R. V. Benvenho, E. C. P. Smits, S. G. J. Mathijssen, M. Cölle, H. L. Gomes, and D. M. de Leeuw, “Determining carrier mobility with a metal-insulator-semiconductor structure”, Org. Electron. 9, 735-739 (2008).
- [5] T. Manaka, F. Liu, M. Weis, and M. Iwamoto, “Influence of traps on transient electric field and mobility evaluation in organic field-effect transistors”, J. Appl. Phys. 107, 043712 (2010).
- [6] K. K. Tsung and S. K. So, “Advantages of admittance spectroscopy over time-of-flight technique for studying dispersive charge transport in an organic semiconductor”, J. Appl. Phys. 106, 083710 (2009).
- [7] S. Ishihara, T. Okachi, and H. Naito, “Impedance spectroscopy measurements of charge carrier mobility in 4,4'-N,N'-dicarbazole-biphenyl thin films doped with tris(2-phenylpyridine) iridium”, Thin Solid Films 518, 452-456 (2009).
- [8] T. Okachi, T. Nagase, T. Kobayashi, and H. Naito, “Influence of injection barrier on the determination of charge-carrier mobility in organic light-emitting diodes by impedance spectroscopy”, Thin Solid Films 517, 1331-1334 (2008).
- [9] J. M. Montero, J. Bisquert, G. Garcia-Belmonte, E. M. Barea, and H. J. Bolik, “Trap-limited mobility in space-charge-limited current in organic layers“, Org. Electron. 10, 305-312 (2009).
- [10] S. E. Debebe, W. Mammo, T. Yohannes, F. Tinti, A. Zanelli, and N. Camaioni, “Investigation of hole-mobility in a poly-fluorene copolymer by admittance spectroscopy”, J. Appl. Phys. 96, 082109 (2010).
- [11] P. W. M. Blom, H. C. F. Martens, and J. N. Huiberts, “Charge transport in polymer light-emitting diodes”, Synthetic Met. 121, 1621-1624 (2001).
- [12] J. Shao and G. T. Wright, “Characteristics of the space-charge-limited dielectric diode at very high frequencies”, Solid-State Electron. 3, 291-303 (1961).
- [13] M. Hoping, C. Schildknecht, H. Gargouri, T. Riedl, M. Tilgner, H. H. Johannes, and W. Kowalsky, “Transition metal oxides as charge injecting layer for admittance spectroscopy”, J. Appl. Phys. 92, 213306 (2008).
- [14] S. W. Tsang, S. K. So, and J. B. Xu, “Application of admittance spectroscopy to evaluate carrier mobility in organic charge transport materials”, J. Appl. Phys. 99, 013706 (2006).
- [15] D. Poplavskyy and F. So, “Bipolar carrier transport in a conjugated polymer by complex admittance spectroscopy”, J. Appl. Phys. 99, 033707 (2006).
- [16] N. D. Nguyen, M. Schmeits, and H. P. Loebl, “Determination of charge-carrier transport in organic devices by admittance spectroscopy: Application to hole mobility in -NPD”, Phys. Rev. B75, 075307 (2007).
- [17] N. F. Mott and R. W. Gurney, Electronic Processes in Ionic Crystals, Oxford University Press, London, 1940.
- [18] K. C. Kao and W. Hwang, Electrical Transport in Solids, Pergamon Press, Oxford, 1981.
- [19] A. Van der Ziel, “Space-charge-limited solid-state diodes”, in Semiconductors and Semimetals, Vol. 14, pp. 195-247, edited by R. K. Willardson, A. C. Beer, Academic Press, New York, 1979.
- [20] W. Riess, H. Riel, T. Beierlein, W. Brütting, P. Müller, and P. F. Seidler, “Influence of trapped and interfacial charges in organic multilayer light-emitting devices”, IBM J. Res. Dev. 45, 77-88 (2001).
- [21] G. Jarosz, R. Signerski, and L. Brehmer, “On dielectric spectra of thin copper phthalocyanine films“, Thin Solid Films 514, 287-291 (2006).
- [22] G. Jarosz, “On small signal capacitance spectra of organic diodes formed by ITO-palladium phthalocyanine-Al sandwich system”, Thin Solid Films 518, 4015-4018 (2010).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BWAW-0007-0010