Effects of the negative electrode contact on the performance of poly(hexylthiophene):6,6-phenyl-C61-butyric acid methyl ester based organic solar cells

被引：8
|
作者：
Nguyen, T. P. [1 ]
Girault, P. [1 ]
Renaud, C. [2 ]
Reisdorffer, F. [1 ]
Le Rendu, P. [1 ]
Wang, L. [3 ]
机构：
[1] Univ Nantes, CNRS, Inst Mat Jean Rouxel, F-44322 Nantes 3, France
[2] Univ Toulouse, LAPLACE, F-31062 Toulouse 9, France
[3] Natl Taiwan Univ, Ctr Condensed Matter Sci, Taipei 10617, Taiwan
来源：
JOURNAL OF APPLIED PHYSICS | 2014年 / 115卷 / 01期
关键词：
WORK FUNCTION; ALUMINUM; PHOTOVOLTAICS; INTERFACES; BULK; AL;
D O I：
10.1063/1.4838060
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper, we report the results on electrical characterization of solar cells using blends of poly(hexylthiophene) (P3HT) and 6,6-phenyl-C-61-butyric acid methyl ester (PCBM) as active energy conversion materials and different negative electrode contacts. The electrical properties analyzed by the current-voltage-temperature (I-V-T) measurements and the charge based deep level transient spectroscopy show that the low efficiency of the devices using Al electrode as compared to CaAl one is due to a reduction of defect density in the interfacial contact region and fast, irreversible degradation of the Al/(P3HT:PCBM) contact. (C) 2014 AIP Publishing LLC.
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页数：7
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