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Bathocuproine作为缓冲层改善Rubrene/C70太阳能电池的性能
引用本文:詹真,刘彭义,叶勤,陈子国.Bathocuproine作为缓冲层改善Rubrene/C70太阳能电池的性能[J].光电子.激光,2012(9):1696-1701.
作者姓名:詹真  刘彭义  叶勤  陈子国
作者单位:暨南大学物理系思源实验室;暨南大学物理系思源实验室;暨南大学物理系思源实验室;暨南大学物理系思源实验室
基金项目:广东省自然科学基金(S2011010002575)资助项目
摘    要:制备了结构为ITO/Rubrene/C70/BCP/Al的双层有机太阳能电池(OSCs),通过优化缓冲层BCP的厚度研究了BCP对OSCs性能的影响及其作用机理。实验发现,BCP厚为6nm时,器件的效率最高达到1.78%,同时获得了较大的开路电压0.901V。相对于没有缓冲层,器件的效率、短路电流、开路电压和填充因子分别提高了432.9%、74.8%、95.4%和55.5%。

关 键 词:有机太阳能电池(OSCs)  BCP  缓冲层  Rubrene  C70

Performance improvement of Rubrene/C70 based organic solar cells with bathocuproine as buffer layer
LIU Peng-yi and CHEN Zi-guo.Performance improvement of Rubrene/C70 based organic solar cells with bathocuproine as buffer layer[J].Journal of Optoelectronics·laser,2012(9):1696-1701.
Authors:LIU Peng-yi and CHEN Zi-guo
Affiliation:Siyuan Lab,Department of Physics,Jinan University,Guangzhou 510632,China;Siyuan Lab,Department of Physics,Jinan University,Guangzhou 510632,China;Siyuan Lab,Department of Physics,Jinan University,Guangzhou 510632,China;Siyuan Lab,Department of Physics,Jinan University,Guangzhou 510632,China
Abstract:Bilayer cells with the structure of ITO/Rubrene/C70/bathocuproine(BCP)/Al were fabricated.The effects of BCP layer on the performance of the cells and its mechanism were studied by inserting BCP with different thicknesses between C70 and Al as buffer layer.The experiental results show that the power conversion efficiency of the cell is as high as 1.78% with 6 nm BCP,and the open-circuit voltage is up to 0.901 V simultaneously.Compared with the device without buffer layer,the power conversion efficiency,short-circuit current,open-circuit voltage and filling factor of Rubrene/C70 heterojunction solar cells with 6 nm BCP are enhanced by 432.9%,74.8%,95.4% and 55.5%,respectively.
Keywords:organic solar cells(OSCs)  bathocuproine(BCP)  buffer layer  Rubrene  C70
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