Organic bulk heterojunction solar cells using poly(2,5-bis(3-tetradecyllthiophen-2-yl)thieno[3,2,-b]thiophene)

被引：100

作者：

Parmer, Jack E. ^{[1
]}

Mayer, Alex C. ^{[1
]}

Hardin, Brian E. ^{[1
]}

Scully, Shawn R. ^{[1
]}

McGehee, Michael D. ^{[1
]}

Heeney, Martin ^{[2
]}

McCulloch, Iain ^{[2
]}

机构：

[1] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA

[2] Merck Chem, Southampton SO16 7QD, Hants, England

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 11期

关键词：

D O I：

10.1063/1.2899996

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

By transitioning to semicrystalline polymers, the performance of polymer-based solar cells has recently increased to over 5% [W. Ma , Adv. Fund. Mater. 15, 1665 (2005); G. Li , Nat. Mater. 4, 864 (2005); M. Reyes-Reyes , Org. Lett. 7, 5749 (2005); J. Y. Kim , Adv. Mater. (Weinheim, Ger.) 18, 572 (2005); J. Peet , Nat. Mater. 6, 497 (2007)]. Poly(2,5-bis(3-tetradecyllthiophen-2-yl)thieno[3,2-b]thiophene) (pBTTT) has caused recent excitement in the organic electronics community because of its high reported hole mobility (0.6 cm(2) V-1 s(-1)) that was measured in field effect transistors and its ability to form large crystals. In this letter, we investigate the potential of pBTTT as light absorber and hole transporter in a bulk heterojunction solar cell. We find that the highest efficiency of 2.3% is achieved by using a 1:4 blend of pBTTT and[6,6]-phenyl C-61-butyric acid methyl ester. The hole mobility as measured by space charge limited current modeling was found to be 3.8x10(-4) cm(2) V-1 s(-1) in this blend. (C) 2008 American Institute of Physics.

引用

页数：3

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