Re-evaluating the Role of Sterics and Electronic Coupling in Determining the Open-Circuit Voltage of Organic Solar Cells

被引：90

作者：

Graham, Kenneth R. ^{[1
,2
]}

Erwin, Patrick ^{[3
]}

Nordlund, Dennis ^{[4
]}

Vandewal, Koen ^{[2
]}

Li, Ruipeng ^{[1
]}

Ndjawa, Guy O. Ngongang ^{[1
]}

Hoke, Eric T. ^{[2
]}

Salleo, Alberto ^{[2
]}

Thompson, Mark E. ^{[3
]}

McGehee, Michael D. ^{[2
]}

Amassian, Aram ^{[1
]}

机构：

[1] KAUST, Phys Sci & Engn Div, Mat Sci & Engn Program, Thuwal 239556900, Saudi Arabia

[2] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA

[3] Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA

[4] SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA

来源：

ADVANCED MATERIALS | 2013年 / 25卷 / 42期

关键词：

organic photovoltaic; open-circuit voltage; electronic coupling; charge-transfer state; organic solar cell; CHARGE-TRANSFER ABSORPTION; POLYMER; ENERGY; TRANSISTOR; INTERFACES; EFFICIENCY; SURFACES; STATE;

D O I：

10.1002/adma.201301319

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The effects of sterics and molecular orientation on the open-circuit voltage and absorbance properties of charge-transfer states are explored in model bilayer organic photovoltaics. It is shown that the open-circuit voltage correlates linearly with the charge-transfer state energy and is not significantly influenced by electronic coupling. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：6076 / 6082

页数：7

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