Research Article
Donor-π-Conjugated Spacer-Acceptor Dye-Sensitized Solid-State Solar Cell Using CuI as the Hole Collector
Figure 4
UV-visible absorption spectra of the MK-2 dye dissolved in acetonitrile/tert-butyl (1 : 1 / ratio) and in toluene are indicated by the red line and the blue line, respectively.