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http://dx.doi.org/10.4313/JKEM.2009.22.6.501

Enhanced Dispersion of High Performance Dye-sensitized Solar Cells  

Jin, En-Mei (전남대학교 전기공학과)
Park, Kyung-Hee (전남대학교 전기공학과)
Gu, Hal-Bon (전남대학교 전기공학과)
Park, Bok-Kee (호원대학교 전기정보통신공학과)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.22, no.6, 2009 , pp. 501-505 More about this Journal
Abstract
$TiO_2$ nano-particle paste was prepared by ethyl cellulose, $\alpha$-terpineol and bis(2-ethylhexyl) phthalate (dioxcyl phthalate) for dye-sensitized solar cells (DSSCs). Dispersion and absorbance of $TiO_2$ photoanode films was controlled by adding different amount of ethyl cellulose and $\alpha$-terpineol. The morphology of prepared $TiO_2$ films was studied by field emission scanning electron microscopy (FE-SEM) and the optical properties of $TiO_2$ films were measured by UV/vis spectra. Photovoltaic-current density was observed to determine the electrochemical response of DSSCs. Energy conversion efficiency was obtained about 7.1% at ethyl cellulose and $\alpha$-terpineol at optimal mixed ratio (as ethyl cellulose: 0.1 g; $\alpha$-terpineol: 1.5 ml) under illumination with AM 1.5($100\;Wcm^{-2}$) simulated sunlight.
Keywords
Dye-sensitized solar cells; $TiO_2$; $\alpha$-terpineol; Absorption spectrum; Dispersion;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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