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Table 1 Ratio of the PLED ink

From: Electrospray deposition of polymer thin films for organic light-emitting diodes

	Ink 1^a	Ink 2^a
PVK	61	41.5
PBD	24	41.5
TPD	9	14.8
Ir(mppy)₃	6	4.2

^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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