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Journal of applied research and technology
versión On-line ISSN 2448-6736versión impresa ISSN 1665-6423
J. appl. res. technol vol.13 no.2 Ciudad de México abr. 2015
The I-V characteristics of organic hole-only devices based on crosslinked hole-transport layer
P.S. Rudatia*, D.C. Muellerb, K. Meerholzb
a Department of Electrical Engineering, Politeknik Negeri Bandung, Bandung, Indonesia. *Corresponding author E-mail address: psrudati@polban.ac.id
b Departement of Chemistry, University of Cologne, Cologne, Germany.
Abstract
Commonly, organic electronics devices are build up from the organic semiconductor thin films which are prepared either by thermal vacuum evaporation or by solution-processing techniques such as spin casting, inkjet printing, or roll-to-roll printing. The solution-processing has several advantages although it has a crucial problem for multilayer device preparation where the first layer will be dissolved by the solvent of the second layer. The using of insoluble layer is a solution of this problem. This paper reports the electrical (I-V) characteristics of Hole-Only Devices (HOD) which are prepared via solution processing by using insoluble layer. The insoluble layer based on triphenylamine dimmer was sandwiched in the two electrodes as anode and cathode. This insoluble layer was prepared via oxetane ring-opening polymerisation either oxidative crosslinking, photo crosslinking, or trityl crosslinking. The measurement was carried out to get current density versus electric-field strength characteristic as a function of oxidation potential, polymerisation mechanism, the amount of oxidant, and curing temperature. The measurement confirmed that the crosslinked hole-transport layers are successfully applied in HOD, the oxidative crosslinking mechanism showed the doping effect, and the amount of oxidant influences the conductivity of crosslinked layer.
Keywords: Hole-Only Device; Crosslinking; Oxetane; Solution process; XTPD; HTL.
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References
Bacher, E., Bayerl, M., Rudati, P., Reckefuss, N., Müller, C.D., Meerholz, K., & Nuyken, O. (2005). Synthesis and characterization of photo-cross-linkable hole-conducting polymers. Macromolecules, 38, 1640-1647. [ Links ]
Ganzorig, C., & Fujihira, M. (2000). Improved drive voltages of organic electroluminescent devices with an efficient p-type aromatic diamine hole-injection layer. Applied Physics Letters, 77, 4211-4213. [ Links ]
Hadziioannou G., & Malliaras G.G. (2007). Semiconducting polymers: chemistry, physics and engineering. Weinheim-Germany: Wiley-VCH Verlag GmbH & Co. [ Links ]
Müllen, K., & Scherf, U. (2006). Organic light emitting devices: synthesis, properties and application. Weinheim, Germany: Wiley VCH-Verlag GmBH & Co. [ Links ]
Müller, C.D., Braig, T., Nothofer, H.G., Arnoldi, M., Gross, M., Scherf, U., & Meerholz, K. (2000). Efficient blue organic light-emitting diodes with graded hole-transport layers. Chem. Phys. Chem, 1, 207-211. [ Links ]
Müller, C.D., Falcou, A., Reckefuss, N., Rojahn, M., Wiederhirn, V., Rudati, P., ., Meerholz, K. (2003). Multi-colour organic light-emitting displays by solution processing. Nature, 421, 829-833. [ Links ]
O'Brien, D.F., Burrows, P.E., Forrest, S.R., Koene, B.E., Loy, D.E., & Thompson, M.E. (1998). Hole transporting materials with high glass transition temperatures for use in organic light-emitting devices. Advanced Materials,10, 1108-1112. [ Links ]
Rendón, G., Poot, P., Oliva, A.I., & Espinosa-Faller, F.J. (2012). A simple substrate heater device with temperature controller for thin film preparation. Journal of Applied Research and Technology, 10, 549-556. [ Links ]
Reufer, M., Rudati, P., Lupton, J., Feldmann, J., Lemmer, U., & Meerholz, K. (2005). Amplified spontaneous emission in an organic semiconductor multilayer waveguide structure including a highly conductive transparent electrode. Applied Physics Letter, 86, 221102. [ Links ]
Rodríguez, H.H., Maldonado-Reyes, A., & Cortés-Hernández, D.A. (2011). Electrophoretic deposition of a bioactive Si, Ca-rich glass coating on 316L stainless steel for biomedical applications. Journal of Applied Research and Technology, 9, 314-323. [ Links ]
Rudati, P.S., Mueller, D.C., & Meerholz, K. (2012). Preparation of insoluble hole-injection layers by cationic ring-opening polymerisation of oxetane-derivatized triphenylaminedimer for organic electronics devices. Procedia Chemistry, Science Direct, 4, 216-223. [ Links ]
Shirota, Y., Kuwabara, Y., Inada, H., Wakimoto, T., Nakada, H., Yonemoto, Y., & Imai, K. (1994). Multilayered organic electroluminescent device using a novel starburst molecule, 4, 4', 4 '-tris (3-methylphenylphenylamino) triphenylamine, as a hole transport material. Applied Physics Letters, 65, 807-809. [ Links ]
Yang, X., Müller, D., Nether, D., & Meerholz, K. (2006). Highly efficient polymeric electrophosphorescent diodes. Advanced Materials, 18, 948-954. [ Links ]