A structure-property-performance investigation of perylenediimides as electron accepting materials in organic solar cells

被引：34

作者：

Guide, Michele ^{[1
,2
]}

Pla, Sara ^{[3
]}

Sharenko, Alexander ^{[2
]}

Zalar, Peter ^{[2
]}

Fernandez-Lazaro, Fernando ^{[3
]}

Sastre-Santos, Angela ^{[3
]}

Thuc-Quyen Nguyen ^{[1
,2
]}

机构：

[1] Univ Calif Santa Barbara, Mitsubishi Chem Ctr Adv Mat, Santa Barbara, CA 93106 USA

[2] Univ Calif Santa Barbara, Ctr Polymers & Organ Solids, Santa Barbara, CA 93106 USA

[3] Univ Miguel Hernandez, Inst Bioingn, Div Quim Organ, Elche 03202, Spain

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2013年 / 15卷 / 43期

基金：

美国国家科学基金会;

关键词：

LOW-BANDGAP POLYMER; SEMICONDUCTING POLYMERS; PHOTOVOLTAICS; EFFICIENCY; DERIVATIVES; SEPARATION; TRANSPORT; DIIMIDES; KINETICS; DYES;

D O I：

10.1039/c3cp53552e

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：

Solution-processed perylenediimides (PDIs) with varying peri and bay substituents are characterized in order to better understand the relationships between molecular structure, solid state order, charge transport, and photovoltaic performance. It was found that bulky bay substituents interfere with molecular packing, leading to low charge transport and photovoltaic efficiencies compared to PDIs with fewer or less disruptive substituents. We assessed the potential of PDIs as acceptors for organic photovoltaics (OPVs) by utilizing a solution-processed bilayer OPV device architecture with the donor benzoporphyrin. At AM1.5G illumination, power conversion efficiencies (PCEs) up to 2.0% are obtained for solution-processed bilayer OPVs employing PDIs as acceptors. These results demonstrate the potential of PDIs as photovoltaic acceptor materials while elucidating the relationships between molecular structure and material properties.

引用

页码：18894 / 18899

页数：6

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