Plasmonic dye-sensitized solar cells incorporated with Au-TiO₂ nanostructures with tailored configurations

We developed plasmonic dye-sensitized solar cells (DSSCs) with tailor-designed Au-TiO₂ nanostructures integrated into the photoanode. Mutually antagonistic Au-TiO₂ core-shell structures supported on SiO₂ spheres (SiO₂@TiO₂@AuNP and SiO₂@AuNP@TiO₂) were prepared and incorporated as additives into the...

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Bibliographic Details
Published in:Nanoscale 2014-01, Vol.6 (3), p.1823
Main Authors: Jang, Yoon Hee, Jang, Yu Jin, Kochuveedu, Saji Thomas, Byun, Myunghwan, Lin, Zhiqun, Kim, Dong Ha
Format: Article
Language:English
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Summary:We developed plasmonic dye-sensitized solar cells (DSSCs) with tailor-designed Au-TiO₂ nanostructures integrated into the photoanode. Mutually antagonistic Au-TiO₂ core-shell structures supported on SiO₂ spheres (SiO₂@TiO₂@AuNP and SiO₂@AuNP@TiO₂) were prepared and incorporated as additives into the photoanodes of the DSSCs. The DSSCs employing the nanocrystalline-TiO₂ (nc-TiO₂)/SiO₂@TiO₂@AuNP and nc-TiO₂/SiO₂@AuNP@TiO2₂ as photoanodes showed remarkably enhanced power conversion efficiencies up to about 14% and 10%, respectively, with respect to a reference cell containing an nc-TiO₂/SiO₂@TiO₂ photoanode. This can be mainly attributed to the enhanced dye absorption by the intensified near-field effect of AuNPs and plasmon-enhanced photocurrent generation.
ISSN:2040-3372
DOI:10.1039/c3nr05012b