Research Article

Influence of Acid Modification Multiwall Carbon Nanotube Counter Electrodes on the Glass and Flexible Dye-Sensitized Solar Cell Performance

Table 2

Summary of the interface charge-transfer resistance at the CE/electrolyte interface () and at the TiO2/dye/electrolyte interface (), the series resistance (), open-circuit voltage (), short-circuit current density (), fill factor (FF), and efficiency () of U-CNTs, M-CNTs, and Pt glass DSSCs.

Counter electrode (Ohm) (Ohm) (Ohm) (V) (mA/cm2)FF (%)

Unmodified-CNTs 1734600.789.910.614.73
(U-CNTs/FTO/glass)

Modified-CNTs1419610.7312.700.615.66
(M-CNTs/FTO/glass)

Pt sputter163600.7610.020.806.08
(Pt/FTO/glass)