Phenylene-ethynylene/phenylene-vinylene hybrid polymers: optical and electrochemical characterization, comparison with poly [2-methoxy-5-(3',7'-dimethyloctyloxy)-1,4-phenylene vinylene] and application in flexible polymer solar cells

被引：44

作者：

Al-Ibrahim, M

Konkin, A

Roth, HK

Egbe, DAM

Klemm, E

Zhokhavets, U

Gobsch, G

Sensfuss, S

机构：

[1] Thuringian Inst Text & Plast Res, Dept Funct Polymer Syst, D-07407 Rudolstadt, Germany

[2] Univ Jena, Inst Organ Chem & Macromol Chem, D-07743 Jena, Germany

[3] Tech Univ Ilmenau, Inst Phys, D-98684 Ilmenau, Germany

来源：

THIN SOLID FILMS | 2005年 / 474卷 / 1-2期

关键词：

electrochemistry; optical properties; electron spin resonance; polymer solar cells;

D O I：

10.1016/j.tsf.2004.08.188

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Defect-free phenylene-ethynylene/phenylene-vinylene hybrid polymers (PPE-PPV) have been characterized optically and electrochemically. The presence of -C drop C- within the polymers backbone leads to higher oxidation potentials and higher optical band gaps compared with poly[2-methoxy-5-(3' 7' -dimethyloctyloxy)-1,4-phenylene vinylene] (MDMO-PPV). The new polymers were used as electron donor in polymer solar cells (PSCs). An effective charge transfer from polymer to [6,6]-phenyl C61-butyric acid methyl ester (PCBM) was found via the photoluminescence technique and light-induced electron spin resonance techniques. Photovoltaic devices were prepared on ambient conditions on flexible polyester foils coated with indium tin oxide (ITO) and showed power conversion efficiency (eta(AM1.5)) of 3% (MDMO-PPV:PCBM) and 1.75% as well as 0.5% (PPE-PPV:PCBM). (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：201 / 210

页数：10

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