Presentation 2001/3/2
Preparation of Hole Transport Layer for Organic EL Devices by Ionization-assisted Deposition
T. Yoshioka, A. Katayama, K. Tanaka, H. Usui,
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Abstract(in English) The ionization-assisted method was used to prepare vinyl polymer films of tetraphenyl-diaminobiphenyl (TPD). The electron irradiation in the deposition process was effective to enhance the polymerization reaction. The reaction appears to be driven by neutral radicals produced by the electron irradiation. The polymerization was also enhanced by increasing the substrate temperature during the deposition, and by post-annealing in vacuum. At an appropriate condition, the average molecular weight of 2.2×10^4 was obtained at the yield of 91%. The polymerized film of TPD-ac was applicable as the hole transport layer of organic EL devices. The device performance was improved in accordance with the enhancement of polymerization.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) deposition polymerization / organic EL / ionization-assisted method / TPD
Paper # EID2000-324,OME2000-173
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Committee OME
Conference Date 2001/3/2(1days)
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Registration To Organic Material Electronics (OME)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Preparation of Hole Transport Layer for Organic EL Devices by Ionization-assisted Deposition
Sub Title (in English)
Keyword(1) deposition polymerization
Keyword(2) organic EL
Keyword(3) ionization-assisted method
Keyword(4) TPD
1st Author's Name T. Yoshioka
1st Author's Affiliation Faculty of Technology, Tokyo University of Agriculture and Technology()
2nd Author's Name A. Katayama
2nd Author's Affiliation Faculty of Technology, Tokyo University of Agriculture and Technology
3rd Author's Name K. Tanaka
3rd Author's Affiliation Faculty of Technology, Tokyo University of Agriculture and Technology
4th Author's Name H. Usui
4th Author's Affiliation Faculty of Technology, Tokyo University of Agriculture and Technology
Date 2001/3/2
Paper # EID2000-324,OME2000-173
Volume (vol) vol.100
Number (no) 651
Page pp.pp.-
#Pages 6
Date of Issue