Method for preparing porous organic-inorganic hybrid materials

A porous organic-inorganic hybrid material comprising one or more metal ion cluster in which at least one IV metal ion is bonded with and one or more organic ligand having carboxylate functional group(s) which coordinately bond(s) to the metal ion cluster,

• wherein said organic ligand further contains, in addition to the carboxylate functional group(s), one or more hydrophilic functional group as substituent, and said hydrophilic functional group forms hydrogen bond with water molecules in the crystal,
• wherein said porous organic-inorganic hybrid material is represented by the following formula 2:
• MO[[(CO2)2—C6H4-y—(X)y](H2O)m].n(H2O) [Formula 2]
• (wherein M represents Ti or Zr, O represents oxygen atom linked to a metal ion cluster, X represents a hydrophilic functional group which is substituted on the benzene ring and selected from —NH2, —NO2, —CO2H or SO3H, y represent an integer of 1 to 4, m represents a rational number of 1 to 20, and n represents a rational number of 0 to 20).

A porous organic-inorganic hybrid material consisting of one or more metal ion cluster in which at least one IV metal ion is bonded with and one or more organic ligand having carboxylate functional group(s) which coordinately bond(s) to the metal ion cluster,

• wherein said organic ligand is selected from biphenyl-4,4′-dicarboxylic acid (4,4′-BPDC) or 3,3-dichloro-4,4′-azobenzenedicarboxylic acid (4,4′-AzoBDC)), and
• wherein said porous organic-inorganic hybrid material has a space group of I2/a and is represented by the following Formula 3a or 3b:
• MO[(CO2)2—(C12H8)].n(solvent) (Formula 3a),
• MO[(CO2)2—(C12H6Cl2N2)].n(solvent) (Formula 3b)
• (wherein M represents Ti or Zr, and n represents a rational number of 0 to 20).