Efficient broad-spectrum parallel tandem organic solar cells based on the highly crystalline chloroaluminum phthalocyanine films as the planar layer

被引:11
作者
Chen, Weichao [1 ,2 ]
Qiao, Xiaolan [1 ,2 ]
Yang, Jianbing [1 ,2 ]
Yu, Bo [1 ]
Yan, Donghang [1 ]
机构
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
基金
中国国家自然科学基金;
关键词
HETEROJUNCTIONS;
D O I
10.1063/1.3697397
中图分类号
O59 [应用物理学];
学科分类号
摘要
Efficient parallel tandem organic solar cells are demonstrated by using the highly crystalline chloroaluminum phthalocyanine (AlClPc) films as the planar layer. Their broad photoresponse from 400-900 nm is contributed to the strong near-infrared absorption of the AlClPc films and the good complementarity between AlClPc and zinc phthalocyanine. Importantly, the high external quantum efficiency is obtained in the entire response range with the peak value 65% due to the high carrier mobility of the AlClPc films, and correspondingly the high power conversion efficiency of 3.5% is attributed to the large short circuit current density of 12.15 mA/cm(2). (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3697397]
引用
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页数:4
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