Abstract
A heterojunction consisting of poly[(9,9-dioctylfluorenyl-2,7-diyl)-alt-(4,4′-(N-(4-butylphenyl)))] (TFB) and aluminum tris(8-hydroxyquinolinate) () is applied for fabricating an organic light-emitting photodetector (OLEP), where TFB and behave as an ultraviolet response center and a green light emitter, respectively. The OLEP shows a detectivity of Jones and a luminance of . Thermal active delay fluorescent material is introduced in the TFB matrix to improve photodetection property. As a result, the optimized device exhibits a 2857% boost in a maximum detectivity of Jones without trading off the electroluminescence performance, exhibiting a high luminance of .
© 2018 Optical Society of America
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