초록 |
N/F-doped TiO2 nanoparticles were synthesized through the hydrolysis of TiCl4 in ammonia water and ammonium chloride. For comparison, pure TiO2 nanoparticles were synthesized using the same technique without the addition ammonia water. To prepare the N-doped TiO2 electrode, first-layer transparent films were fabricated using Ti-Nanoxide D (Solaronix) paste, and second-layer films were fabricated by N/F-doped TiO2 paste onto glass substrate coated with transparent conductive oxide by the doctor-blade method. For comparison, the pure TiO2 electrode was fabricated using Ti-Nanoxide D (Solaronix) paste and pure TiO2 paste, respectively. Consequently, we obtained the energy conversion efficiency of the DSSCs based on the N/F-doped TiO2 electrode is higher than that of the DSSCs based on pure TiO2 electrode. The DSSCs based on the N/F-doped TiO2 electrode improved Voc, Jsc, and η, as compared to the pure TiO2 electrode and the Ti-Nanoxide D TiO2 electrode (Solaronix). |