Effect of modular diffraction gratings on absorption in P3HT:PCBM layers

被引：5

作者：

Cocilovo, Byron ^{[1
]}

Amooali, Akram ^{[1
]}

Lopez-Santiago, Alejandra ^{[1
]}

Favela, Jacob ^{[2
]}

Islam, Safatul ^{[1
]}

Duong, Binh ^{[4
,5
]}

Gangopadhyay, Palash ^{[1
]}

Fallahi, Mahmoud ^{[1
]}

Pemberton, Jeanne E. ^{[3
]}

Thomas, Jayan ^{[4
,5
]}

Norwood, Robert A. ^{[1
]}

机构：

[1] Univ Arizona, Ctr Opt Sci, Tucson, AZ 85721 USA

[2] Univ Arizona, Dept Mat Sci & Engn, Tucson, AZ 85721 USA

[3] Univ Arizona, Dept Chem & Biochem, Tucson, AZ 85721 USA

[4] Univ Cent Florida, NanoSci Technol Ctr, Orlando, FL 32826 USA

[5] Univ Cent Florida, CREOL, Orlando, FL 32826 USA

来源：

APPLIED OPTICS | 2013年 / 52卷 / 05期

基金：

美国国家科学基金会;

关键词：

ORGANIC SOLAR-CELLS; LIGHT; EFFICIENCY; SILICON;

D O I：

10.1364/AO.52.001025

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Various gratings with 700 nm feature spacings are patterned on the reverse side of organic solar cell active layers to increase the path length and constrain light to the cell through total internal reflection. The absorption enhancement is studied for 15, 40, and 120 nm active layers. We were able to confine 9% of the incident light over the wavelength range of 400-650 nm, with thinner gratings having a greater enhancement potential. The measurement setup utilizing an integrating sphere to fully characterize scattered or diffracted light is also fully described. (C) 2013 Optical Society of America

引用

页码：1025 / 1034

页数：10

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