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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1021/la800985k
|2 doi
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|a pubmed24n0609.xml
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Lee, Tae-Woo
|e verfasserin
|4 aut
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|a Spin-assembled nanolayer of a hyperbranched polymer on the anode in organic light-emitting diodes
|b the mechanism of hole injection and electron blocking
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 01.12.2008
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|a Date Revised 30.10.2008
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We introduced a spin-assembled nanolayer of hyperbranched poly(ether sulfone) with sulfonic acid terminal on top of an indium-tin oxide anode in organic light-emitting diodes. This results in great improvement in luminous efficiency, better than that of devices using a commercially available conducting polymer composition as a hole-injection layer. The effect of the nanolayer was investigated by impedance spectroscopy, photovoltaic measurement for built-in-potential, and transient electroluminescence. We concluded that the high luminous efficiency resulted from the efficient electron-blocking by the nanolayer and hole-injection assisted by the accumulation of electrons at the interface. This result implies that, for an efficient hole-injection layer, the electron-blocking capability should be incorporated in addition to the hole-injection and -transport capability
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|a Journal Article
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|a Park, Jong-Jin
|e verfasserin
|4 aut
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|a Kwon, Young
|e verfasserin
|4 aut
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|a Hayakawa, Teruaki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Choi, Tae-Lim
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Park, Jong Hyeok
|e verfasserin
|4 aut
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|a Das, Rupasree Ragini
|e verfasserin
|4 aut
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|a Kakimoto, Masa-aki
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 24(2008), 21 vom: 04. Nov., Seite 12704-9
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:24
|g year:2008
|g number:21
|g day:04
|g month:11
|g pages:12704-9
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| 856 |
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|u http://dx.doi.org/10.1021/la800985k
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