Understanding the Influence of Morphology on Poly(3-hexylselenothiophene):PCBM Solar Cells

被引：89

作者：

Ballantyne, Amy M. ^{[1
]}

Ferenczi, Toby A. M. ^{[1
]}

Campoy-Quiles, Mariano ^{[1
]}

Clarke, Tracey M. ^{[1
]}

Maurano, Andrea ^{[1
]}

Wong, Kien Hon ^{[1
]}

Zhang, Weimin ^{[1
]}

Stingelin-Stutzmann, Natalie ^{[1
]}

Kim, Ji-Seon ^{[1
]}

Bradley, Donal D. C. ^{[1
]}

Durrant, James R. ^{[1
]}

McCulloch, Iain ^{[1
]}

Heeney, Martin ^{[1
]}

Nelson, Jenny ^{[1
]}

Tierney, Steve ^{[2
]}

Duffy, Warren ^{[2
]}

Mueller, Christian ^{[3
]}

Smith, Paul ^{[3
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England

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

[3] Swiss Fed Inst Technol, Dept Mat, Zurich, Switzerland

来源：

MACROMOLECULES | 2010年 / 43卷 / 03期

基金：

英国工程与自然科学研究理事会;

关键词：

CONJUGATED POLYMER BLENDS; CHARGE-TRANSPORT; PHASE-SEPARATION; METHANOFULLERENE; POLY(3-HEXYLTHIOPHENE); REGIOREGULARITY; FILMS;

D O I：

10.1021/ma902477h

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The microstructure, charge transport and charge dynamics in blend films of P3HS:PCBM in comparison with P3HT:PCBM in attempt to identify the reasons for the poorer performance in P3HS:PCBM photovoltaic devices. P3HT:PCBM and P3HS:PCBM films were imaged using micro-Raman spectroscopy mapping in order to compare microstructure and phase separation. Both polymer and polymer:PCBM blend solutions were prepared using chlorobenzene and stirred for 24 h to fully dissolve the polymer. P3HT:PCBM and P3HS:PCBM blend films (1:1) were spin-coated onto quartz substrates from warm solutions. Because of low solubility of P3HS P3HS:PCBM films were spin-coated onto substrates that were 80°C. All films were deposited in a clean room with a filtered air environment. Some blend films were thermally annealed at 140°C for 30 mm in a dry nitrogen environment. The result show that fine control of blend film microstructure through the self-organizing properties of the component materials is essential to realize the potential of new organic photovoltaic materials.

引用

页码：1169 / 1174

页数：6

共 25 条

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