
Fig. 1
Pictorial representation for the synthesis of spinel ZnFe2O4 nanoparticles and deposition of spinel ZnFe2O4 nanostructures

Fig. 2
XRD pattern of as synthesized spinel ZnFe2O4 nanocrystallites.
Table 1
Average crystallite sizes of ZnFe2O4 sample determined from various diffraction lines
| 2 Theta | FWHM | Crystallite Size D (nm) |
|---|---|---|
| 32.8560 | 0.1407 | 58.86575 |
| 34.6856 | 0.2047 | 40.65779 |
| 36.4940 | 0.1919 | 43.58997 |
| 43.0009 | 0.1791 | 47.67414 |
| 47.7918 | 0.1023 | 84.93736 |
| 56.4434 | 0.1279 | 70.49320 |
| 63.0784 | 0.0895 | 104.1472 |
| 68.3362 | 0.1023 | 93.85715 |
Table 2
XRF analysis of as synthesized spinel ZnFe2O4 nanocrystallites
| Elements | ZnO | Fe2O3 | MnO | CaO | CuO | NiO | Sc2O3 | Cr2O3 |
|---|---|---|---|---|---|---|---|---|
| Chemical Composition (%) | 33.377 | 66.157 | 0.280 | 0.072 | 0.071 | 0.025 | 0.014 | 0.002 |

Fig. 3
FTIR spectra of as synthesized spinel ZnFe2O4 nanocrystallites.

Fig. 4
AFM images of spinel ZnFe2O4 nanocrystallites coated PSSCs: a) single layer coating, b) double layers coating, c) triple layers coating and d) quarter layers coating

Fig. 5
(a) FE-SEM, (b) EDAX spectra and (c) percentage of the elemental composition of ZnFe2O4 three layer (L3) coated PSSC.

Fig. 6
UV transmittance spectra of spinel ZnFe2O4 nanocrystallites coated and uncoated solar cells

Fig. 7
Reflectance of spinel ZnFe2O4 nanocrystallites coated and uncoated solar cells.

Fig. 8
Electrical resistivity of spinel ZnFe2O4 nanocrystallites coated PSSCs.

Fig. 9
I–V characteristics of spinel ZnFe2O4 nanocrystallites coated and uncoated PSSCs.