Slot-die coating parameters of the low-viscosity bulk-heterojunction materials used for polymer solar cells

被引:50
作者
Hong, Soonil [1 ,2 ]
Lee, Jongjin [3 ]
Kang, Hongkyu [1 ,2 ]
Lee, Kwanghee [1 ,2 ,3 ]
机构
[1] Gwangju Inst Sci & Technol, Sch Mat Sci, Kwangju 500712, South Korea
[2] Gwangju Inst Sci & Technol, Heeger Ctr Adv Mat, Kwangju 500712, South Korea
[3] Gwangju Inst Sci & Technol, Res Inst Solar & Sustainable Energies, Kwangju 500712, South Korea
基金
新加坡国家研究基金会;
关键词
Slot-die coating; Coating parameters; Polymer solar cell; TO-ROLL FABRICATION; ITO-FREE; PRINTED POLYMER; MODULES; PERFORMANCE; EFFICIENT; SILVER;
D O I
10.1016/j.solmat.2013.01.006
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Slot-die coating is one of the promising methods for fabricating large-area polymer solar cells (PSCs) due to its compatibility with roll-to-roll printing and one-dimensional direct patterning. In this study, we investigated correlations between conformal film morphology of intermixed poly(3-hexylthiophene) (P3HT) and fullerene derivative [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) bulkheterojunction (BHJ) material and universal control factors such as shim length, substrate temperature, and coating speed. The observed correlation equation is better matched to the meniscus coating parameter equation rather than to the traditional high-viscosity extrusion slot-die coating parameter equation. Based on our findings regarding the governing factors of the thin film formation of bulkheterojunction materials, we demonstrated the development of uniform large-area polymer solar cells with power conversion efficiency (PCE) of 3.07% under Air Mass 1.5 condition and the possibility of high-throughput production. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码:27 / 35
页数:9
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