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

Nanoscale
Yoon Hee JangDong Ha Kim

Abstract

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.

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Citations

Feb 6, 2016·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Wenguang Fan, Michael K H Leung
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Oct 28, 2020·Small·Md Sohel RanaKun Qian
Dec 29, 2016·Chemical Reviews·Yoon Hee JangDong Ha Kim

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