Journal
JOURNAL OF SOLID STATE CHEMISTRY
Volume 253, Issue -, Pages 43-46Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2017.05.025
Keywords
Metal-organic frameworks; Lanthanide ions; Composition control; Phosphorescence; Energy transfer
Funding
- JSPS KAKENHI [15K05655]
- Molecular Technology of Strategic International Collaborative Research Program (SICORP) from the Japan Science and Technology Agency (JST)-Agence Nationale de la Recherche (ANR)
- Grants-in-Aid for Scientific Research [15K05655] Funding Source: KAKEN
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A simple composition control route to mixed-lanthanide metal-organic frameworks (MOFs) was developed based on an interfacial reaction with mixed-lanthanide metal ion-doped polymer substrates. By controlling the composition of lanthanide ion (Eu3+ and Tb3+) dopants in polymer substrates to be used as metal ion precursors and scaffolding for the formation of MOFs, [EuxTb2-x(bdc)(3)(H2O)(4)](n), crystals with a tunable metal composition could be routinely prepared on polymer substrates. Inductively coupled plasma (ICP) measurements revealed that the composition of the obtained frameworks was almost the same as that of the initial polymer substrates. In addition, the resulting [EuxTb2-x(bdc)(3)(H2O)(4)]. crystals showed strong phosphorescence because of Eu3+ transitions, indicating that the energy transfer from Tb3+ to Eu3+ ions in the frameworks could be achieved with high efficiency.
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