Presentation 2009/1/22
Control of Photoluminescence Spectrum for Organic Thin Film Deposited by Electrospray Deposition Method
Takashi SUZUKI, Takeshi FUKUDA, Norihiko KAMATA,
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Abstract(in English) Since polymer light-emitting diodes can be fabricated by a solution process, these devices are attractive due to the low fabrication cost and the large emitting area. Though a multilayer structure is necessary to improve device performances, it is difficult to fabricate by a solution process. We investigated another deposition process, called as an electrospray deposition. In this method, a high voltage of approximately several kV is applied to a nozzle, from which the polymer solution is sprayed, and the organic solvent is evaporated before reaching the substrate. As a result, multilayer organic films can be deposited without dissolving the under layer. In this report, we investigated a single layer structure of polyfluorene-based polymers. The photoluminescence spectrum and the surface roughness were investigated by changing the applied voltage.
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Keyword(in English) Electrospray Deposition / Polymer Light-Emitting Diode / Photoluminescence Spectrum / Quantum Efficiency
Paper # EID2008-69
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Committee EID
Conference Date 2009/1/22(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Control of Photoluminescence Spectrum for Organic Thin Film Deposited by Electrospray Deposition Method
Sub Title (in English)
Keyword(1) Electrospray Deposition
Keyword(2) Polymer Light-Emitting Diode
Keyword(3) Photoluminescence Spectrum
Keyword(4) Quantum Efficiency
1st Author's Name Takashi SUZUKI
1st Author's Affiliation Graduate School of Science and Engineering, Saitama University()
2nd Author's Name Takeshi FUKUDA
2nd Author's Affiliation Graduate School of Science and Engineering, Saitama University
3rd Author's Name Norihiko KAMATA
3rd Author's Affiliation Graduate School of Science and Engineering, Saitama University
Date 2009/1/22
Paper # EID2008-69
Volume (vol) vol.108
Number (no) 421
Page pp.pp.-
#Pages 4
Date of Issue