A one-step process for localized surface texturing and conductivity enhancement in organic solar cells

被引：5
|
作者：
Zaniewski, A. M. [1 ]
Loster, M.
Zettl, A.
机构：
[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
来源：
APPLIED PHYSICS LETTERS | 2009年 / 95卷 / 10期
关键词：
atomic force microscopy; current density; electrical conductivity; organic semiconductors; polymer blends; solar cells; surface texture; ATOMIC-FORCE MICROSCOPY; SCANNING PROBE MICROSCOPY; ELECTROSTATIC NANOLITHOGRAPHY;
D O I：
10.1063/1.3223624
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A process that improves organic solar cell local morphology and geometry is presented. Strong electric field gradients and current densities, generated by voltages locally applied between a conducting atomic force microscope tip and the device surface, induce enhanced conductivity and raise geometrical texturing features in solar cells formed from poly (3-hexylthiophene): [6,6]-phenyl-C61 butyric acid methyl ester blends. These results may open paths to organic solar cell efficiency enhancements through a single step process that simultaneously textures the surface for increased light trapping and enhances charge extraction.
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页数：3
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