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Dye-sensitized solar cells using network structure of electrospun ZnO nanofiber mats

被引：101
作者：
Kim, Il-Doo
Hong, Jae-Min
Lee, Byong Hong
Kim, Dong Young
Jeon, Eun-Kyung
Choi, Duck-Kyun
Yang, Dae-Jin
机构：
[1] Korea Inst Sci & Technol, Ctr Energy Mat Res, Seoul 130650, South Korea
[2] Hanyang Univ, Dept Mat Sci & Engn, Seoul 133791, South Korea
[3] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
来源：
APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 16期
关键词：
D O I：
10.1063/1.2799581
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Nanostructured semiconducting metal oxides and particularly nanofiber-based photoelectrodes can provide enhanced energy conversion efficiencies in dye-sensitized solar cells (DSSCs). In this study ZnO/poly (vinyl acetate) composite nanofiber mats were directly electrospun onto a glass substrate coated with F:SnO2, then hot pressed at 120 degrees C and calcined at 450 degrees C. This resulted in multiple nanofiber networks composed of a twisted structure of 200 - 500 nm diameter cores with 30 nm single grains. The DSSCs using ZnO nanofiber mats exhibited a conversion efficiency of 1.34% under 100 mW/cm(2) (AM- 1.5G) illumination. (C) 2007 American Institute of Physics.
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页数：3
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