Capacitance measurement in organic thin-film device with internal charge separation zone

Masaya Terai; Katsuhiko Fujita; Tetsuo Tsutsui

doi:10.1143/JJAP.44.L1059

Capacitance measurement in organic thin-film device with internal charge separation zone

Masaya Terai, Katsuhiko Fujita, Tetsuo Tsutsui

Department of Advanced Device Materials

Research output: Contribution to journal › Article

27 Citations (Scopus)

Abstract

To verify the concept of electric-field-assisted bipolar charge spouting in organic thin films, model devices with an internal charge separation (ICS) zone were fabricated. A double-insulation-type organic thin-film device, indium-tin-oxide (ITO)/ poly-chloro-p-xylylene (PCPX)/tris(8-quinolinolato)aluminum(III) (Alq₃)/Mg-doped Alq ₃/V₂O ₅/N,N′-bis(3-methylphenyl)-1,1′-biphenyl-4, 4′-diamine (TPD)/PCPX/Al (device with an ICS zone), and four devices with similar structures without the ICS zone were fabricated. The capacitance of the devices under positive and negative applied biases was measured. The device with the ICS zone showed a clear capacitance increase when the bias condition met the electric-field-assisted bipolar charge separation.

Original language	English
Pages (from-to)	L1059-L1062
Journal	Japanese Journal of Applied Physics, Part 2: Letters
Volume	44
Issue number	33-36
DOIs	https://doi.org/10.1143/JJAP.44.L1059
Publication status	Published - Aug 26 2005

All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy (miscellaneous)
Physics and Astronomy(all)

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Terai, M., Fujita, K., & Tsutsui, T. (2005). Capacitance measurement in organic thin-film device with internal charge separation zone. Japanese Journal of Applied Physics, Part 2: Letters, 44(33-36), L1059-L1062. https://doi.org/10.1143/JJAP.44.L1059

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abstract = "To verify the concept of electric-field-assisted bipolar charge spouting in organic thin films, model devices with an internal charge separation (ICS) zone were fabricated. A double-insulation-type organic thin-film device, indium-tin-oxide (ITO)/ poly-chloro-p-xylylene (PCPX)/tris(8-quinolinolato)aluminum(III) (Alq3)/Mg-doped Alq 3/V2O 5/N,N′-bis(3-methylphenyl)-1,1′-biphenyl-4, 4′-diamine (TPD)/PCPX/Al (device with an ICS zone), and four devices with similar structures without the ICS zone were fabricated. The capacitance of the devices under positive and negative applied biases was measured. The device with the ICS zone showed a clear capacitance increase when the bias condition met the electric-field-assisted bipolar charge separation.",

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N2 - To verify the concept of electric-field-assisted bipolar charge spouting in organic thin films, model devices with an internal charge separation (ICS) zone were fabricated. A double-insulation-type organic thin-film device, indium-tin-oxide (ITO)/ poly-chloro-p-xylylene (PCPX)/tris(8-quinolinolato)aluminum(III) (Alq3)/Mg-doped Alq 3/V2O 5/N,N′-bis(3-methylphenyl)-1,1′-biphenyl-4, 4′-diamine (TPD)/PCPX/Al (device with an ICS zone), and four devices with similar structures without the ICS zone were fabricated. The capacitance of the devices under positive and negative applied biases was measured. The device with the ICS zone showed a clear capacitance increase when the bias condition met the electric-field-assisted bipolar charge separation.

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