Research Article

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

Figure 8

(a) The low and (b) the high magnification SEM images of the U-CNTs/ITO film. (c) The low and (d) the high magnification SEM images of the M-CNTs/ITO film coated on the conductive plastic.