The three-layer EL diodes were prepared using Eu(DBM)3L as emitting material, their EL properties were described briefly.

• 用Eu(DBM)_3L(DBM是二苯甲酰甲烷，L是氮杂菲类配体)作为发光材料制备了五个三层EL器件，并对器件的电致发光(EL)性能进行了初步的探讨。