Research Article

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

Figure 2

(a) The top and (b) cross section SEM images of TiO2 film on FTO glass. (c) The absorbance spectra of the desorbed dye solutions of the TiO2/FTO films.
(a)
(b)
(c)