Solid-state reactions by manual or mechanical grinding with minimal or no solvent for molecular synthesis called 'mechanochemistry' havs blossomed into an important area of research in green synthesis and material chemistry.1 We have recently been investigating the mechanochemical applications in preparation of or functional modification on solid-state materials including metal-organic frameworks(MOFs),1,2 metal-organic cages(MOCs), covalent-organic frameworks(COFs)and graphene.