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

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 coate...

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Bibliographic Details
Published in:Applied physics letters 2007-10, Vol.91 (16), p.163109-163109-3
Main Authors: Kim, Il-Doo, Hong, Jae-Min, Lee, Byong Hong, Kim, Dong Young, Jeon, Eun-Kyung, Choi, Duck-Kyun, Yang, Dae-Jin
Format: Article
Language:English
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Summary: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 : Sn O 2 , then hot pressed at 120 ° C and calcined at 450 ° 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.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2799581