Table 1. Performances of the DSSCs based on ZnO nanorods, nanocons, and heterostructure ZnO–ZnS nanocones.

Cells	Jsc (mA/cm2)	Voc (V)	FF	η (%)	dye loading (10−8 mol/cm2)
ZnO nanorods	4.9	0.43	0.44	0.93	1.93
ZnO nanocones	8.4	0.54	0.46	2.09	1.58
ZnO-ZnS core-shell nanocones	12.2	0.68	0.49	4.07	3.67