Table 1 |
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Ratio of the PLED ink |
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Ink 1a |
Ink 2a |
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|
|
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PVK |
61 |
41.5 |
|
PBD |
24 |
41.5 |
|
TPD |
9 |
14.8 |
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Ir(mppy)3 |
6 |
4.2 |
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|
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aEach figure means weight percent of materials in the solution, and the main difference between Ink 1 and Ink 2 is the ratio of hole and electron transport materials. PVK, poly(N-vinyl carbazole); PBD, 2-(4-biphenylyl)-5-(4-tert-butylphenyl)-1, 3, 4-oxadiazole; TPD, N, N'diphenyl-N, N'-Bis(3-methylphenyl)-[1, 1-biphenyl]-4, 4'-diamine; Ir(mppy)3, tris(2-(4-tolyl) phenylpyridine) iridium. |
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Hwang et al. Nanoscale Research Letters 2012 7:52 doi:10.1186/1556-276X-7-52 |
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