A new 2D Cu-MOF constructed from carboxylate ligands containing C–H⋯π interactions as a recyclable responsive luminescent sensor for VOCs

A new type of 2D metal–organic framework (MOF), namely Cu-MOF, was constructed from Cu(NO₃)₂·3H₂O and the novel ligand 1,4-bis(4-naphthoic acid)benzene.