Nanosize Copper Dispersed Ionic Liquids As an Electrolyte of New Dye-Sensitized Solar Cells

Table 2

Structure parameters of copper in the Cu@C (0.08%) dispersed RTIL ([bmim⁺] [PF₆⁻]).

Size (nm)	Shell	Bond distance (Å)	Coordination	Dybe-Weller
			number	factor (𝜎^2)
7	Cu–Cu	2.533	6.2	0.0079
14	Cu–Cu	2.535	6.3	0.0081
20	Cu–Cu	2.530	8.7	0.0075