Effect of Gold Nanoparticle Distribution in TiO₂ on the Optical and Electrical Characteristics of Dye-Sensitized Solar Cells.

ABSTRACT: Photoanodes comprising Au nanoparticles (GNPs) and thin TiO₂ layers with a stacked structure were fabricated by repeating the application of TiO₂ paste and GNP solutions on conductive glass to vary the distribution of GNPs in the TiO₂ layer. The plasmon-enhanced characteristics of dye-sensitized solar cells (DSSCs) with such photoanodes were investigated. Both the absorption of the TiO₂ layer and the performance of the DSSC are found to be most increased by plasmonic enhancement when GNPs are concentrated near the position in the TiO₂ layer, which is the penetration depth of the incident light of wavelength corresponding to the maximum absorption of the N719 dye (~ 520 nm). When a GNP layer with a relatively high density of 1.3 μg/cm

SUBMITTER: Mayumi S 

PROVIDER: S-EPMC5574828 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature