Two　heterometal-oxo　Ag2Ti10(PTC-221)　and　Ag4Ti8(PTC-222)　clusters　were　successfully　synthesized　and　characterized,　with　the　doped　Ag　atoms　surrounded　by　the　Ti-O　core　and　exposed　to　the　cluster　surface,　respectively.　Density　functional　theory　(DFT)　calculations　were　carried　out　to　study　the　electronic　structures　of　PTC-221　and　PTC-222,　including　the　frontier　orbitals　and　partial　density　of　states　(PDOS).　The　solid-state　UV-vis　absorption　spectra　of　PTC-221　and　PTC-222　were　also　recorded.　Interestingly,　PTC-221　shows　intense　visible　light　absorption　with　an　absorption　edge　around　590　nm　and　exhibits　good　photocurrent　response　in　the　visible　region.