Analytical expression of mixing ratio dependence of built-in voltages in organic bulk heterojunction

来源 :第六届全国暨华人有机分子和聚合物发光与激光学术会议 | 被引量 : 0次 | 上传用户:iceqi77
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  Bulk heterojunction (BHJ) has emerged over the past years as a promising structure for organic solar cells (OSCs).Different materials for electron and hole contact are usurelly used for most optimized devices,which results in a built-in voltage,Ubi.The electric field in correspondence is called built-in electric field.The built-in voltage is important for OSCs because it sets the upper limit of the open circuit voltage [1],and is hence directly related to the conversion efficiency.
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