Realization, characterization, and optical modeling of inverted bulk-heterojunction organic solar cells

被引：80

作者：

Ameri, Tayebeh ^{[1
,2
]}

Dennler, Gilles ^{[1
]}

Waldauf, Christoph ^{[1
]}

Denk, Patrick ^{[1
]}

Forberich, Karen ^{[1
]}

Scharber, Markus C. ^{[1
]}

Brabec, Christoph J. ^{[1
]}

Hingerl, Kurt ^{[2
]}

机构：

[1] Konarka Austria, A-4040 Linz, Austria

[2] Johannes Kepler Univ Linz, Christian Doppler Lab Surface Opt, A-4040 Linz, Austria

来源：

JOURNAL OF APPLIED PHYSICS | 2008年 / 103卷 / 08期

关键词：

D O I：

10.1063/1.2902804

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Inverted bulk-heterojunction organic solar cells (OSCs) using solution-processed layers possess significant advantages compared to the usual noninverted devices. To investigate the full potential of this type of OSC, we have carried out some optical modeling by rigorous coupled wave analysis. The influence of the thickness of several different layers in the device has been quantified, as well as the maximum possible number of photons absorbed in the poly(3-hexyltiophene):[6,6]-phenyl-C-61-butyric acid methyl ester active layer for both conventional and inverted structures. It appears that the thickness of the hole injecting layer placed in front of the metallic mirror can influence the electromagnetic field distribution in the OSC, but no additional beneficial optical spacer effect is observed. The thickness of the electron injecting layer deposited on the semitransparent electrode also has a negligible influence on the photons absorbed in the active layer for the inverted structure. (C) 2008 American Institute of Physics.

引用

页数：6

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