Research Article

A Combined Effect of Plasmon Energy Transfer and Recombination Barrier in a Novel TiO2/MgO/Ag Working Electrode for Dye-Sensitized Solar Cells

Figure 1

The TiO2/Ag composite films with varied UV exposure time as 5, 30, 60, 120, 180, and 240 min, corresponding to the silver nanoparticle sizes of (a) 4.4 nm, (b) 7.2 nm, (c) 11 nm, (d) 19.2 nm, (e) 27.5 nm, and (f) 38.6 nm, respectively [4, 5].
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(b)
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(e)
(f)