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A novel metal-organic framework film MIL-124 film was prepared on porous α-Al2O3 ceramic plate by in situ synthesizing. After introducing Eu3+ ions to the free -COOH sites of the MIL-124 ligand channels, a luminescent MOF film MIL-124@Eu3+ was obtained. Based on the chemical reaction between NH3 and the -COOH, the formation of -COONH4 which was demonstrated by FT-IR spectrum, affected the energy transfer...
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