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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Nanoscale+Res+Lett
2017 ; 12
(1
): 513
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Effect of Gold Nanoparticle Distribution in TiO(2) on the Optical and Electrical
Characteristics of Dye-Sensitized Solar Cells
#MMPMID28853056
Mayumi S
; Ikeguchi Y
; Nakane D
; Ishikawa Y
; Uraoka Y
; Ikeguchi M
Nanoscale Res Lett
2017[Aug]; 12
(1
): 513
PMID28853056
show ga
Photoanodes comprising Au nanoparticles (GNPs) and thin TiO(2) layers with a
stacked structure were fabricated by repeating the application of TiO(2) paste
and GNP solutions on conductive glass to vary the distribution of GNPs in the
TiO(2) layer. The plasmon-enhanced characteristics of dye-sensitized solar cells
(DSSCs) with such photoanodes were investigated. Both the absorption of the
TiO(2) 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 TiO(2)
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 ?g/cm(2) density was formed at its
position, and two GNP layers with a relatively low density of 0.65 ?g/cm(2) were
formed near the front side of the incident light, the short-circuit current
density (Jsc) and energy conversion efficiency (?) of the DSSC were found to be
10.8 mA/cm(2) and 5.0%, increases of 15 and 11%, respectively, compared with
those of the DSSC without GNPs. Our work suggests that optimization of the
distribution of GNPs in the TiO(2) layer is very important for improving the
performance of DSSCs fabricated by utilizing GNPs.