tEnhancement of light harvesting has been a persistent objective for elevating dye excitation and thereforepower conversion efficiency of dye-sensitized solar cells (DSSCs). Here we launch a strategy of markedlyenhancing light harvesting by caging TiO2nanoparticles with curved silica microsheets. The results showthat the strategy is versatile in suppressing the recombination reaction of electrons with I3−speciesin liquid electrolyte. Due to the superior reflective behaviors of curved silica microsheets, an optimalefficiency of 9.22% is recorded under simulated air mass 1.5 global sunlight on the DSSC in comparisonwith 6.51% and 7.51% from pristine TiO2and planar silicate microsheet incorporated TiO2photoanodebased solar cells, respectively. This strategy is also believed to be applicable to other solar cells such asperovskite solar cells and quantum dot-sensitized solar cells