Preparations, Characterizations, and a Comparative Study on Photovoltaic Performance of Two Different Types of Graphene/TiO₂ Nanocomposites Photoelectrodes

Table 3

Short-circuit current density (), open-circuit voltage (), fill factor (FF), power conversion efficiency (PCE), charge recombination resistance (), and electron lifetime () of the DSSCs containing various types and amounts of graphene.

Sample codes	(mA/cm^2)	(V)	FF	PCE (%)	(Ω)	(µsec)
TiO2	6.27	0.71	60.28	2.68	14.07	79.74
Ti@GO-01	8.42	0.68	63.99	3.69	26.74	226.81
Ti@GO-03	7.51	0.68	62.98	3.22	20.94	150.22
Ti@GO-05	7.14	0.69	64.7	3.2	19.18	119.46
Ti@GO-10	6.22	0.7	66.83	2.92	16.09	105.21
Ti@rGO-01	2.79	0.63	72.23	1.28	5.79	26.51
Ti@rGO-03	6.31	0.7	65.29	2.9	16.08	92.83
Ti@rGO-05	5.52	0.63	64.11	2.38	10.51	54.99
Ti@rGO-10	5.38	0.63	65.56	2.32	9.08	42.81