Photoelectrodes composed of mesoporous TiO 2 spheres as scattering centers and TiO 2 nanoparticles as the binder were fabricated and tested with the aim of improving the energy conversion efficiency of dye-sensitized solar cells (DSSCs). In order to achieve the dispersion of the TiO 2 spheres in suspension and improve their connectivity in the electrodes, acid treatment and a compression method were applied. These electrodes composed of TiO 2 spheres and nanoparticles enable the fabrication of high performance DSSCs, because of the light scattering of the TiO 2 spheres and the dye-loading capacity of their high surface areas. The energy conversion efficiency of composite-type photoelectrode was found to be 7.66%, which is higher than that of nanocrystal electrode (4.50%). We can thus conclude that high energy conversion efficiency was achieved with a composite-type photoelectrode, without the use of an anti-reflection coating or a back-scattering layer.