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中文摘要：
首次报道了基于全共轭高分子材料聚苯撑苯并二恶唑（PBO）作为空穴传导材料及电子给体，富勒烯（C60）作为电子传输层及电子受体的双层异质结器件．研究发现：该结构器件具有明显的光伏响应特征，开路电压达0．76V，短路电流0．07mA／cm^2；而且在正向偏压下，器件还表现出了较强的激基复合物电致发光现象，在7．1V偏压下，器件的亮度达5．3×10^3cd／m^2，而器件的最高发光效率可达1．8cd／A．该研究表明，基于PBO／C60双层异质结的多功能光电器件具有较好的开发价值和应用前景．
英文摘要：
In this work, a bilayer device, which used a fully conjugated polymer poly（ p-phenylene ben- zobisoxazole） （PBO） as a hole transporting material and buckminsterfullerene （C60） as an electron transporting material, was fabricated. It was found that, the device showed both photovoltaic and electroluminesence characteristics. An open-circuit voltage of 0.76 V and an short-circuit current of 0.07 mA/cm^2 were obtained, and meanwhile a yellow exciplex emitting with a maximum brightness of 5.3 × 10^3 cd/m^2 was also observed from the same device. Our work suggests the structure of PBO/C60 can be used to develop a multifunction device.
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