Two Similar Near-Infrared (IR) Absorbing Benzannulated Aza-BODIPY Dyes as Near-IR Sensitizers for Ternary Solar Cells

被引：73

作者：

Min, Jie ^{[1
]}

Ameri, Tayebeh ^{[1
]}

Gresser, Roland ^{[3
]}

Lorenz-Rothe, Melanie ^{[3
]}

Baran, Derya ^{[1
]}

Troeger, Anna ^{[4
]}

Sgobba, Vito ^{[4
]}

Leo, Karl ^{[3
]}

Riede, Moritz ^{[3
]}

Guldi, Dirk M. ^{[4
]}

Brabec, Christoph J. ^{[1
,2
]}

机构：

[1] Univ Erlangen Nurnberg, I MEET, D-91058 Erlangen, Germany

[2] Bavarian Ctr Appl Energy Res ZAE Bayern, D-91058 Erlangen, Germany

[3] Tech Univ Dresden, Inst Angew Photophys, D-01069 Dresden, Germany

[4] Univ Erlangen Nurnberg, Ctr Mol Mat, Dept Chem & Pharm & Interdisciplinary, D-91058 Erlangen, Germany

来源：

ACS APPLIED MATERIALS & INTERFACES | 2013年 / 5卷 / 12期

关键词：

inverted organic solar cells; aza-BODIPY dye; power conversion efficiency; near-IR absorbing; sensitizer; ternary composite solar cells; POWER-CONVERSION EFFICIENCY; POLYMER PHOTOVOLTAIC CELLS; P3HT/PCBM; POLYTHIOPHENES; ENHANCEMENT; ACCEPTOR; BAND;

D O I：

10.1021/am400923b

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Ternary composite inverted organic solar cells based on poly(3-hexylthiophen-2,5-diyl) (P3HT) and phenyl-C-61-butyric acid methyl ester (PCBM) blended with two different near-infrared absorbing benzannulated aza-BODIPY dyes, difluoro-bora-bis-(1-phenyl-indoyl)-azamethine (1) or difluoro-bora-bis-(1-(5-methylthiophen)-indoyl)-azamethine (2), were constructed and characterized. The amount of these two aza-BODIPY dyes, within the P3HT and PCBM matrix, was systematically varied, and the characteristics of the respective devices were recorded. Although the addition of both aza-BODIPY dyes enhanced the absorption of the blends, only the addition of 1 improved the overall power conversion efficiency (PCE) in the near-infrared (IR) region. The present work paves the way for the integration of near-infrared absorbing aza-BODIPY derivatives as sensitizers in ternary composite solar cells.

引用

页码：5609 / 5616

页数：8

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