Improved performance of organic light-emitting devices based on 1,4-bis(5-phenylthiophen-2-yl)benzene single crystals by using an anodic buffer layer
2017
Abstract Green single crystal-based light-emitting devices based on 1,4-bis(5-phenylthiophen-2-yl)benzene (AC5) crystals have been realized by template stripping method. And double-layered structure with a molybdenum oxide (MoO 3 ) layer is employed as anodic buffer layer to lower the carrier injection barrier. On the basis of this structure, the AC5 crystal-based OLEDs exhibit a significantly lower turn-on voltage of 5 V and higher luminance reaching 28.96 cd/m 2 , which open a realistic route towards their practical application in optoelectronic devices.
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