LUMINESCENT DEVICE AND ELECTROLUMINESCENCE UTILIZING THE SAME

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[Object] To provide a hybrid luminescent device having a novel structure where a rare earth metal complex is used in a luminescent layer and an inorganic compound is used in an electron transport layer or a hole transport layer instead of an organic compound. [Means for Achieving the Object] In order to cathodic polarize a thin film of crystalline porous zinc oxide from a zinc salt solution, a ligand having a moiety which can be coordinated with the surface of zinc oxide and a moiety which is used for the formation of a complex with rare earth ions in a later process is mixed into an electrolytic bath so that a hybrid film of crystalline porous zinc oxide/ligands is obtained through cathodic polymerization. Alternatively, a template molecule for the formation of a porous structure may be mixed into an electrolytic bath of a zinc salt solution so that a thin film of crystalline porous zinc oxide is gained through cathodic polarization, and after that, this may be immersed in a solution of bridge ligands as that described above so that crystalline porous zinc oxide of which the surface is modified with bridge ligands in the same manner is fabricated. The thin film is immersed in a solution in which rare metal ions are dissolved, and thus, a complex is formed to obtain a luminescent device.