Tandem Organic Photovoltaic Cells Based on Low-Molecular-Weight Semiconductors

被引：2
|
作者：
Taima, Tetsuya [1 ]
Yamanari, Toshihiro [1 ]
Sakai, Jun [2 ]
Yoshida, Yuji [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Res Ctr Photovolta, AIST Tsukuba Cent 5,1-1-1 Higashi, Tsukuba, Ibaraki 3508565, Japan
[2] Panason Elect Works Ltd, Adv Technol Dev Lab, Osaka 5718686, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2010年 / 49卷 / 01期
关键词：
POLYMER SOLAR-CELLS; LAYER;
D O I：
10.1143/JJAP.49.01AC04
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Recently, the power conversion efficiency (PCE) of organic photovoltaic (OPV) cells has been improved through increased photocurrent density. To further increase PCE, open circuit voltage (V-oc) should also be increased. Here, we report tandem OPV cells based on low-molecular-weight semiconductors evaporated in vacuum. The tandem system produced a high V-oc that is proportional to the number of tandem OPV cells. We obtained a V-oc of 2.07 V using a quadruple cell, which was fourfold that of a single cell. (C) 2010 The Japan Society of Applied Physics
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页数：3
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