COMPOSTION FOR PHOTOANODE OF SOLAR CELL

A composition for the formation of the photoelectrode of a solar cell is provided to obtain a satisfactory dispersion, to increase dry film strength and to improve the adhesion of a substrate and a photoelectrode. A composition for the formation of the photoelectrode of a solar cell comprises 0.1-20 wt% of the phosphor nanopowder which has a core-shell structure comprising a phosphor powder having a 50% average particle diameter (D50) of 50 ~ 500nm and emitting light at 500 ~ 600nm and a styrene-based block copolymer coated on the phosphor powder; 40-70 wt% of a titanium dioxide nanopowder having a 50% average particle diameter (D50) of 10~30nm; 1-12 wt% of an organic resin comprising polyethylene glycol and a surfactant in a ratio of 90:10~50:50 by weight; and 5-30 wt% of a solvent.