Modification of PEDOT: PSS anode buffer layer with HFA for flexible polymer solar cells

被引：17
|
作者：
Yamamoto, Natasha A. D. [1 ]
Lima, Lucas F. [1 ]
Perdomo, Rodolfo E. [2 ]
Valaski, Rogerio [3 ]
Calil, Vanessa L. [3 ,4 ]
Macedo, Andreia G. [1 ,5 ]
Cremona, Marco [3 ,4 ]
Roman, Lucimara S. [1 ]
机构：
[1] Univ Fed Parana, Dept Phys, Lab NanoStructured Devices, BR-80060000 Curitiba, Parana, Brazil
[2] Univ Fed Parana, Engn & Mat Sci PIPE, BR-81531990 Curitiba, Parana, Brazil
[3] Pontificia Univ Catolica Rio de Janeiro, Dept Phys, PUC Rio, Rio De Janeiro, RJ, Brazil
[4] Inst Nacl Metrol Qual Ind & Tecnol INMETRO, Rio De Janeiro, RJ, Brazil
[5] Technol Fed Univ Parana, Dept Phys, Curitiba, Parana, Brazil
来源：
CHEMICAL PHYSICS LETTERS | 2013年 / 572卷
关键词：
ITO-FREE; TRANSPARENT; DEVICES; EFFICIENCY; SUBSTRATE; MODEL;
D O I：
10.1016/j.cplett.2013.04.022
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The effect of poly(3,4-ethylenedioxythiophene)-polystyrenesulfonic acid (PEDOT:PSS) modified with an amphiphilic fluoro compound was investigated on the performance of flexible organic solar cells in bilayer geometry and using substrate based on poly(ether-imide) (PEI) with ITO films with low resistivity and high optical transmittance. The poly[9,9'-dioctyl-fluorene-co-bithiophene] (F8T2) polymer and fullerene (C-60) were used as electron donor and acceptor materials, respectively. The spin-casted PEDOT: PSS films had its sheet resistance reduced from 7 M Omega sq(-1) to 40 k Omega sq(-1) after a single step treatment with hexafluoroacetone (HFA), reflecting in an enhancement of power conversion efficiency in the photovoltaic cells from 0.45% up to 1.30%. (C) 2013 Elsevier B. V. All rights reserved.
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页码：73 / 77
页数：5
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