| 초록 |
The effects of inserting spin-coated Polyfluorene copolymer (Poly(9,9)-di-n-hexylfluoreneyl-2,7-diyl) and (Poly(9,9-di-n-octylfluorenyl-2,7-diyl))layer in dye-sensitized solar cells(DSSC) were investigated. As Polyfluorene copolymer having low bandgap extended the absorption range of DSSC, added the photoinduced exition and transported the holes produced from the exciton, it resulted the enhancement of the energy conversion efficiency of DSSC. The energy conversion efficiency was different depending on the number of coating and the position of the coated layer. 5 times (Poly(9,9)-di-n-hexylfluoreneyl-2,7-diyl) spin-coating on the PFO substrate improved the overall energy conversion efficiency of the DSSC. |
