Control of electric field strength and orientation at the donor-acceptor interface in organic solar cells

被引：86

作者：

Liu, Albert ^{[2
]}

Zhao, Shanbin ^{[2
]}

Rim, Seling-Bum ^{[1
]}

Wu, Junbo ^{[2
]}

Koenemann, Martin ^{[3
]}

Erk, Peter ^{[3
]}

Peumans, Peter ^{[1
]}

机构：

[1] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA

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

[3] BASF GmbH, D-67056 Ludwigshafen, Germany

来源：

ADVANCED MATERIALS | 2008年 / 20卷 / 05期

关键词：

D O I：

10.1002/adma.200702554

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electrical doping is essential to achieve efficient photocurrent extraction in small-molecular-weight organic solar ells. It is shown that such doping creates strong electric fields at the donor-acceptor interface that prevent geminate electron-hole recombination.

引用

页码：1065 / +

页数：7

共 27 条

[1] Molecular n-type doping of 1,4,5,8-naphthalene tetracarboxylic dianhydride by pyronin B studied using direct and inverse photoelectron spectroscopies [J].

Chan, CK ;

Kim, EG ;

Brédas, JL ;

Kahn, A .

ADVANCED FUNCTIONAL MATERIALS, 2006, 16 (06) :831-837

[2] Mg-doped C60 thin film as improved n-type organic semiconductor for a solar cell [J].

Chikamatsu, M ;

Taima, T ;

Yoshida, Y ;

Saito, K ;

Yase, K .

APPLIED PHYSICS LETTERS, 2004, 84 (01) :127-129

[3] Comparing organic to inorganic photovoltaic cells: Theory, experiment, and simulation [J].

Gregg, BA ;

Hanna, MC .

JOURNAL OF APPLIED PHYSICS, 2003, 93 (06) :3605-3614

[4] Long-range singlet energy transfer in perylene bis(phenethylimide) films [J].

Gregg, BA ;

Sprague, J ;

Peterson, MW .

JOURNAL OF PHYSICAL CHEMISTRY B, 1997, 101 (27) :5362-5369

[5] Charge-separation energy in films of π-conjugated organic molecules [J].

Hill, IG ;

Kahn, A ;

Soos, ZG ;

Pascal, RA .

CHEMICAL PHYSICS LETTERS, 2000, 327 (3-4) :181-188

[6] Organic solar cells: An overview [J].

Hoppe, H ;

Sariciftci, NS .

JOURNAL OF MATERIALS RESEARCH, 2004, 19 (07) :1924-1945

[7] Electronic structure and electrical properties of interfaces between metals and π-conjugated molecular films [J].

Kahn, A ;

Koch, N ;

Gao, WY .

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 2003, 41 (21) :2529-2548

[8] Efficient tandem polymer solar cells fabricated by all-solution processing [J].

Kim, Jin Young ;

Lee, Kwanghee ;

Coates, Nelson E. ;

Moses, Daniel ;

Nguyen, Thuc-Quyen ;

Dante, Mark ;

Heeger, Alan J. .

SCIENCE, 2007, 317 (5835) :222-225

[9] High-efficiency solution processable polymer photovoltaic cells by self-organization of polymer blends [J].

Li, G ;

Shrotriya, V ;

Huang, JS ;

Yao, Y ;

Moriarty, T ;

Emery, K ;

Yang, Y .

NATURE MATERIALS, 2005, 4 (11) :864-868

[10] Air-stable n-channel organic semiconductors based on perylene diimide derivatives without strong electron withdrawing groups [J].

Ling, Mang-Mang ;

Erk, Peter ;

Gomez, Marcos ;

Koenemann, Martin ;

Locklin, Jason ;

Bao, Zhenan .

ADVANCED MATERIALS, 2007, 19 (08) :1123-1127

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