Mobility and photovoltaic performance studies on polymer blends: effects of side chains volume fraction

被引：37

作者：

Adam, Getachew ^{[1
,2
]}

Pivrikas, Almantas ^{[1
]}

Ramil, Alberto M. ^{[1
]}

Tadesse, Sisay ^{[1
,2
]}

Yohannes, Teketel ^{[2
]}

Sariciftci, Niyazi S. ^{[1
]}

Egbe, Daniel A. M. ^{[1
]}

机构：

[1] Johannes Kepler Univ Linz, Linz Inst Organ Solar Cells LIOS, A-4040 Linz, Austria

[2] Univ Addis Ababa, Fac Sci, Dept Chem, Addis Ababa, Ethiopia

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2011年 / 21卷 / 08期

关键词：

HETEROJUNCTION SOLAR-CELLS; PHOTOGENERATED CHARGE-CARRIERS; OPEN-CIRCUIT VOLTAGE; PHOTOPHYSICAL PROPERTIES; CONJUGATED POLYMERS; OPTICAL-PROPERTIES; EFFICIENCY; PPV; MORPHOLOGY; TRANSPORT;

D O I：

10.1039/c0jm02668a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A 1 : 1 mixture of two thiophene based poly(p-phenylene ethynylene)-alt-poly(p-phenylene vinylene)s denoted DO-PThE1-PPV2 (D1) and MEH-PThE1-PPV2 (D2), consisting of the same conjugated backbone but different types and volume fraction of alkoxy side chains on the phenylene ethynylene unit, has led to enhanced charge carrier mobility (measured using CELIV technique) as compared to the individual polymers. The resulting ternary blend with PC60BM showed better photovoltaic performance as compared to binary blends from the single polymers mixed with PCBM. This is due to the improved active layer nanomorphology in the ternary system as revealed by AFM studies.

引用

页码：2594 / 2600

页数：7

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