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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/9526

Title: Observation of space-charge-limited current due to charge generation at interface of molybdenum dioxide and organic layer
Authors: Matsushima, Toshinori
Murata, Hideyuki
Keywords: Molybdenum oxide
space-charge-limited current
Issue Date: 2009-11-20
Publisher: American Institute of Physics
Magazine name: Applied Physics Letters
Volume: 95
Number: 20
Start page: 203306-1
End page: 203306-3
DOI: 10.1063/1.3267082
Abstract: Current density-voltage characteristics of hole-only devices are influenced by thicknesses of molybdenum dioxide (MoO_2) and molybdenum trioxide (MoO_3) as buffer layers. A space-charge-limited current of N,N′-diphenyl-N,N′-bis(1-naphthyl)-1,1′-biphenyl-4,4′-diamine (α-NPD) is observed in a wide range of MoO_2 thicknesses from 0.25 to 10 nm and at a specific MoO_3 thickness of 0.75 nm. Charge transfer characteristics at interfaces of MoO_2/α-NPD and MoO_3/α-NPD are investigated from changes in fluorescence intensity of α-NPD. Reasons of the improved device characteristics are discussed in terms of interfacial charge generation composed of charged transfer and charge separation.
Rights: Copyright 2009 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Toshinori Matsushima and Hideyuki Murata, Applied Physics Letters, 95(20), 203306 (2009) and may be found at http://link.aip.org/link/APPLAB/v95/i20/p203306/s1
URI: http://hdl.handle.net/10119/9526
Material Type: publisher
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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