| 초록 |
The reported syntheses of nickel oxide (NiOx) sol gels have so far included toxicant chemicals for stabilizers to cause high temperature annealing to remove organic ligands. In this research, we report NiOx sol-gel through a simple organic solvents method to confirm the effect of different kinds of organic solvents on NiOx synthesis without toxic stabilizer. The optimized solvent-base NiOx exhibited better morphology and crystallinity of the perovskite layer. In addition, PSCs were fabricated in P-I-N structure in which the optimized solvent-base NiOx as a hole transport layer improved the charge transport property compared to the toxic stabilizer method. Finally, the optimized solvent-based NiOx enhanced device performance with short circuit current (Jsc) and open circuit voltage (Voc) compared to conventional poly (3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) based devices. |
