Journal of Nanotechnology / 2012 / Article / Fig 16

Review Article

Self-Organized One-Dimensional TiO𝟐 Nanotube/Nanowire Array Films for Use in Excitonic Solar Cells: A Review

Figure 16

(a) IPCE of FRET-based SS-DSSC devices showing the effect of DCM amount and concentration added to 30 μL Spiro-OMeTAD-blend solution. All solutions were prepared in chlorobenzene. (b) Photocurrent density-Voltage, of FRET-based photovoltaic devices showing the effect of DCM amount and concentration added to 30 μL Spiro-OMeTAD-blend solution. All solutions were prepared in chlorobenzene (CB); the effect of diluting the Spiro-OMeTAD-blend with 15 μL CB is also illustrated. The DCM concentration is 24 mM except where noted. Optimal device performance was achieved with 30 μL of 24 mM DCM-pyran in 30 μL of 0.17 M Spiro-OMeTAD/0.12 M 4-tert butylpyridine/19.5 mM Li[CF3SO2]2N, with the resulting (typical) device having a fill factor of 0.67, photovoltage of 0.68 V, 𝐽 s c of 4.05 mW/cm2, and power conversion efficiency of 1.64%. Reprinted with permission from [12].
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645931.fig.0016b
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