Engineered　CdS@NC　composites　were　fabricated　via　the　carbonization　of　a　crystalline　complex　comprised　by　cadmium　cations　and　methyl　orange　anions,　[Cd(H2O)(6)(C14H14N3SO3)(2)]　1,　and　were　developed　as　viable　photocatalysts　for　enhanced　hydrogen　(H-2)　production　under　visible　irradiation　with　a　H-2　evolution　rate　of　ca.　7428.0　mu　mol　h(-1)　g(-1),　which　was　relatively　high　for　CdS-based　nanomaterials　reported　hitherto.