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Europium doped gadolinium oxide nanorods have been coated with silica via a sol–gel approach. The silica coating increases the Eu 3+ absolute emission quantum yields from 0.51 to 0.86 (255nm excitation) and decay times from 1.43 to 1.80ms (394.4nm excitation). Subsequently the silica coating was modified with 3-(trimethoxysilyl)-propyl-methacrylate. Grafting of silica with the MPS coupling...
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