Heterovalent Cation Substitutional and Interstitial Doping in Semiconductor Sensitizers for Quantum Dot Cosensitized Solar Cell

Table 5

, , and values of undoped and doped QDCSCs.

Device	(Ω)	(Ω)	(Ω)
PbS()/CdS()	23.57	71.08	26.83
1-20PbS:Bi()/CdS()	22.1	38.65	20.3
PbS()/CdS()	25.86	165.8	26.12
1-150PbS:Ag()/CdS()	16.33	130.7	10.76

: series resistances, ^b: electronic transfer resistances of TiO₂/QDs and electrolyte interface, and ^c: electronic transfer resistances of photocathode and the electrolyte solution interface.