Improvement in power conversion efficiency by blending of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) into poly(3-hexylthiophene):phenyl-C61-butyric acid methyl ester active layer

被引：4

作者：

Lee, Myounghee ^{[1
]}

Kim, Yoojin ^{[1
]}

Lee, Sunae ^{[1
]}

An, Jongdeok ^{[1
,2
]}

Im, Chan ^{[1
,2
]}

机构：

[1] Konkuk Univ, Konkuk Univ Fraunhofer ISE Next Generat Solar Cel, Seoul 143701, South Korea

[2] Konkuk Univ, Dept Chem, Seoul 143701, South Korea

来源：

APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 22期

关键词：

TECHNICAL APPLICATIONS; POLYMER; CELLS; OXIDE;

D O I：

10.1063/1.4723571

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The improvement in power conversion efficiency (PCE) by the addition of poly (3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS) into regioregular poly (3-hexylthiophene) (P3HT) and phenyl-C-61-butyric acid methyl ester (PCBM)-based bulk heterojunction (BHJ) organic photovoltaic (OPV) devices was investigated. The addition of PEDOT:PSS into the P3HT: PCBM active layer was found to promote a significant enhancement of the fill factor, which ultimately increased the PCEs of the corresponding OPV devices, although the exciton generation rates of the BHJ layers were virtually the same, as observed by UV-Vis absorption spectra. Therefore, we conclude that the reduction of internal series resistance (RS) was the most crucial reason for the PCE improvement by the addition of PEDOT: PSS. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4723571]

引用

页数：4

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