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(Color online) Schemes of the DSSCs whose LHEs are herein analyzed. (a) Standard DSSC made of a nc- film followed by a bulk arranged titania slab of the same average refractive index and length of the compared PhC. (b) A photonic crystal based DSSC in which (b) a single inverse titania photonic crystal with sphere diameter (c), two inverse titania PhC multilayer with sphere diameters , and (d) three inverse titania PhC multilayer with sphere diameters (, , and ) of 17 ML each, follow the nc- film.
Absorptance spectra of a dye sensitized solar cell involving an inverse titania photonic crystals slab of (a) one photonic colloidal crystal of 17 ML and sphere diameter . (b) Two photonic crystals of 17 ML each and with sphere diameters of and . (c) Three photonic crystals of 17 ML each and sphere diameters of , , and . In all cases the absorptance spectra of the equivalent typical solar cell is also presented.
(Color online) Photocurrent density enhancement map (% ) for a solar cell containing a dye-sensitized nanocrystalline titania film deposited on top of an inverse opal multilayer. The diameter of the bottom crystal has been fixed at , while the top and the middle crystal diameters are varied. All three lattices present a similar thickness of 17 ML.
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