Partitioning of the organic layers for the fabrication of high efficiency organic photovoltaic devices

Title
Partitioning of the organic layers for the fabrication of high efficiency organic photovoltaic devices
Authors
강남수주병권이창희안재평진병두유재웅
Keywords
Organic photovoltaic; Partitioned cells; Hole extraction layer; Series resistance; Bulk heterojunction
Issue Date
2009-09
Publisher
Organic electronics
Citation
VOL 10, NO 6, 1091-1096
Abstract
Lateral partitioning of hole extraction layer with insulating walls improved the power conversion efficiency of organic photovoltaic device. When the conductivity of the hole extraction layer is low, no improvement is obtained by partitioning. However, when the conductivity is high, a significant improvement was obtained in the partitioned cells, showing the estimated power conversion efficiency of 4.58% compared to the 3.54% of the single cell structure. This improvement, carefully corrected by masking at measurement, could be explained by the reduction of series resistance. Although accurate estimation of device area at partitioned device might be difficult, its effectiveness on the properties of large area organic photovoltaic device is clear, as shown in the result of 1 cm2-size cell with the same manner.
URI
http://pubs.kist.re.kr/handle/201004/35600
ISSN
1566-1199
Appears in Collections:
KIST Publication > Article
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