Charge-carrier dynamics in hybrid plasmonic organic solar cells with Ag nanoparticles

被引：122

作者：

Xue, Mei ^{[1
]}

Li, Lu ^{[2
]}

de Villers, Bertrand J. Tremolet ^{[3
]}

Shen, Huajun ^{[1
]}

Zhu, Jinfeng ^{[1
]}

Yu, Zhibin ^{[2
]}

Stieg, Adam Z. ^{[4
,5
]}

Pei, Qibing ^{[2
]}

Schwartz, Benjamin J. ^{[3
,4
]}

Wang, Kang L. ^{[1
,2
]}

机构：

[1] Univ Calif Los Angeles, Dept Elect Engn, Device Res Lab, Los Angeles, CA 90095 USA

[2] Univ Calif Los Angeles, Dept Mat Sci, Los Angeles, CA 90095 USA

[3] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA

[4] Univ Calif Los Angeles, Calif NanoSyst Inst, Los Angeles, CA 90095 USA

[5] Natl Inst Mat Sci NIMS, WPI Ctr Mat Nanoarchitecton MANA, Tsukuba, Ibaraki 3050044, Japan

来源：

APPLIED PHYSICS LETTERS | 2011年 / 98卷 / 25期

关键词：

Metal nanoparticles - Plasmonics - Organic solar cells - Butyric acid - Atomic force microscopy;

D O I：

10.1063/1.3601742

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

To understand the effects of Ag nanoparticles (NPs) on the performance of organic solar cells, we examined the properties of hybrid poly(3-hexylthiophene):[6,6]-phenyl-C-61-butyric-acid-methyl-ester:Ag NP solar cells using photoinduced charge extraction with a linearly increasing voltage. We find that the addition of Ag NPs into the active layer significantly enhances carrier mobility but decreases the total extracted carrier. Atomic force microscopy shows that the Ag NPs tend to phase segregate from the organic material at high concentrations. This suggests that the enhanced mobility results from carriers traversing Ag NP subnetworks, and that the reduced carrier density results from increased recombination from carriers trapped on the Ag particles. (C) 2011 American Institute of Physics. [doi:10.1063/1.3601742]

引用

页数：3

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