电致发光
光电子学
有机发光二极管
材料科学
激子
二极管
载流子
发光二极管
图层(电子)
电子迁移率
电子
纳米技术
量子力学
物理
作者
Masashi Mamada,Chihaya Adachi
摘要
There has been increasing interest in blue organic light-emitting diodes based on thermally activated delayed fluorescence (TADF). The construction of a fully optimized device architecture is crucial in accordance with developing high-performance materials because highly efficient electroluminescence cannot be realized without balancing both carrier injection and transport with decreasing several exciton loss processes. Thus, the detailed mechanism of carrier injection, transport, and recombination in emitting layers has to be clarified. In this study, various device architectures for a recently emerged blue TADF molecular system based on multiple donors and acceptors were systematically investigated, especially by focusing on the interlayers. This work also aims to offer guidelines for improving device stabilities. Our findings clarify the role of each layer, providing in-depth insight into device design and the selection of proper materials for each constituted layer.
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