4.4 Article

Double layer printed high performance OLED based on PEDOT:PSS/Ir(bt)(2)acac:CDBP

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AIP ADVANCES
卷 8, 期 11, 页码 -

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AMER INST PHYSICS
DOI: 10.1063/1.5053133

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  1. National Key Research and Development Program of China [2017YFB0404403]

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The preparation of organic electroluminescent diodes (OLEDs) by printing with the potential advantages of high material utilization, low equipment cost, simple process flow, and favorable for large-area device preparation, is expected to be the next generation of OLED fabrication method. In this paper, PEDOT: PSS and CDBP: Ir(bt)(2)acac functional layers were prepared by spin coating/printing and characterized, respectively. The results show that the double layer printing device achieved the best performance, the maximum brightness and external quantum efficiency reach 4357cd/m(2) and 2.45%, even better than that of the spin coated reference. It indicates that the ink-jet printing process has a potential to overwhelm the spin-coating one for constructing high performance OLED. (C) 2018 Author(s).

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