Reported　here　is　an　anionic　framework　material　[(CH3)　2NH2]2[Cd3(BPTC)2]　.　(DMF)　(1),　which　features　a　pillared-layer　structure　with　1D　channels　occupied　by　the　guest　[(CH3)2NH2]　+　cations.　The　physical　properties　such　as　thermogravimetric　analyses　(TGA),　powder　X-ray　diffraction　(PXRD),　and　gas　adsorption　were　investigated.　Additionally,　we　find　that　compound　1　may　act　as　a　good　luminescent　sensor　to　detect　the　Tb3+　ion.　©　2010　Elsevier　B.V.　All　rights　reserved.