Figure 3.
(a) SEM images of dyesol TiO2 and 1 wt % Co-doped TiO2 paste on FTO-coated glass. (b) SEM and FIB-SEM images of 1 wt % Co-doped TiO2 powder. (c) Elemental mapping and (d) EDX spectrum of 1 wt % Co-doped TiO2 powder.
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