Presentation 2010-01-12
Effect of silole derivative in organic photoconductive device
Ryohei KOBAYASHI, Takeshi FUKUDA, Norihiko KAMATA, Satoshi AIHARA, Hokuto SEO, Ken HATANO, Daiyo TERUNUMA,
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Abstract(in English) In recent years, color selective organic photoconductive device have been attracting considerable attention for sensing applications owing to high absorption coefficient of organic material, flexibility, stacked structure, and low fabrication cost. By now, our research group reported the color selective organic photoconductive device via a wet process. In this report, we investigated the optical characteristics of the blue-sensitive organic device by doping six-kinds of silole derivatives. We used poly(dioctylfluorenyl-co-benzo-thiadiazole) [F8BT] as a photoconductive and blue sensitive polymer because of its high carrier mobility. The maximum external quantum efficiency [EQE] of 8.91% at -20MV/m was obtained by the device with the NMe_2-silole[43%] : F8BT[57%] mixed photoconductive layer. This value was two orders higher than that of the reference device with F8BT only (0.06%).The most important finding is that the low ionization potential of silole derivative and the low PL quantum efficiency of the photoconductive layer is necessary for an improved EQE of blue-sensitive organic photoconductive device.
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Keyword(in English) Color selective organic photoconductive device / Silole derivative / Fluorene polymer / Wet-process
Paper # OME2009-74
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Conference Information
Committee OME
Conference Date 2010/1/5(1days)
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Paper Information
Registration To Organic Material Electronics (OME)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Effect of silole derivative in organic photoconductive device
Sub Title (in English)
Keyword(1) Color selective organic photoconductive device
Keyword(2) Silole derivative
Keyword(3) Fluorene polymer
Keyword(4) Wet-process
1st Author's Name Ryohei KOBAYASHI
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
4th Author's Name Satoshi AIHARA
4th Author's Affiliation NHK Science and Technical Research Laboratories
5th Author's Name Hokuto SEO
5th Author's Affiliation NHK Science and Technical Research Laboratories
6th Author's Name Ken HATANO
6th Author's Affiliation Graduate School of Science and Engineering, Saitama University
7th Author's Name Daiyo TERUNUMA
7th Author's Affiliation Graduate School of Science and Engineering, Saitama University
Date 2010-01-12
Paper # OME2009-74
Volume (vol) vol.109
Number (no) 359
Page pp.pp.-
#Pages 4
Date of Issue