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The ultrathin multilayer films of rare-earth-containing polyoxometalate cluster K_ 17[Eu(P_2Mo_ 17O_ 61)_2] (EuPMo) and poly(allylamine hydrochloride)(PAH) have been prepared by the Layer-by-Layer(LbL) self-assembly method. The photoluminescent behavior of the films investigated at room temperature shows the Eu 3+ characteristic emission pattern of 5D_0→ 7F_J(J=1—4). The occurrence of the photoluminescent activity confirms the potential of creating luminescent multilayer films with polyoxometalates(POMs).
The ultrathin multilayer films of rare earth-containing polyoxometalate cluster K_17 [Eu (P_2Mo_17O_61) _2] (EuPMo) and poly (allylamine hydrochloride) (PAH) have been prepared by the layer-by-layer (LbL) assembly method. The photoluminescent behavior of the films investigated at room temperature shows the Eu 3+ characteristic emission pattern of 5D_0 → 7F_J (J = 1-4). The occurrence of the photoluminescent activity confirms the potential of creating luminescent multilayer films with polyoxometalates POMs).