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A novel hydrogen-bonded organic framework,HOF-TCPP(HOF = hydrogen bonded organic framework,TCPP = tetrakis(4-carboxyphenyl)porphyrin,has been synthesized via solvothermal reaction in ethylene glyco1.Crystal structure was well determined by single-crystal X-ray diffraction and powder X-ray diffraction(PXRD).Topological analysis reveals that HOF-TCPP exhibits sql 2D layer and features 2D → 3D polycatenation.Fluorescence investigation shows that HOF-TCPP displays much higher photoluminescence(PL)intensity than the amorphous ligands TCPP,which can be ascribed to the crystalline structure and hydrogen bonds existing in the structure.