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The 2,4,6-triphenylthiapyrylium ion has been obtained imprisoned inside the supercages of the tridirectional, large pore zeolites Y and beta via ship-in-a-bottle synthesis from chalcone and acetophenone in the presence of hydrogen sulfide. The resulting solids are efficient and robust photocatalysts that are able to degrade phenol and aniline in water with a higher efficiency than the P-25 TiO 2 standard. Preliminary tests have shown that these encapsulated dye materials are also efficientdoi:10.1039/b310627f pmid:14872235 fatcat:tjeym7m5gnbbtkyifqupdpqbiq