Novel ZnO microflowers on nanorod arrays: local dissolution-driven growth and enhanced light harvesting in dye-sensitized solar cells

Table 1 Device performance of DSSCs with photoanodes of different geometries

Sample	J_sc(mA · cm⁻²)	V_oc(V)	FF	η	Absorbed dye (nmol · cm⁻²)
Pure nanorod arrays	1.24	0.78	45.52	0.41	23.4
Fewer layers of microflowers on nanorod arrays	1.94	0.82	42.33	0.65	26.9
Multilayers of microflowers on nanorod arrays	2.62	0.84	45.33	0.92	44.3