Grafting Carbon Nanotube for Dye-Sensitized Solar Cell Improvement

Carbon nanotubes (CNTs) were modified by grafting polymerization with copolymer of polyaniline and poly (vinyl acetate) for improving their electrical conductivity and water dispersion. After surface modification of CNTs, they were used to fabricate as the photoelectrode or working electrode for the dye-sensitized solar cell (DSSC). The characterizations of the modified CNTs were done by FTIR, TEM and SEM. Lastly, the efficiency of DSSC prepared from the modified CNT was evaluated by photovoltaic test. The results showed the high performance of the grafting CNTs-added working electrode.