Abstract
The amorphous compound [Mg(H2dhtp)(H2O)2] 1′ was shown to be a highly efficient and reusable luminescent sensor for the detection of water in THF, due to its transformation to the strongly emissive complex [Mg(H2dhtp)(H2O)5]·H2O 1.
Highlights
Paper environmental changes and can thereby be used as a detection tool.5 The excellent water adsorption properties shown by many MOFs6 led to the study of their luminescent counterparts as humidity sensors
We recently reported an alkaline earth metal ion organic framework (AEMOF), [MgIJH2dhtp)IJH2O)2]·DMAc (AEMOF1·DMAc), which has a flexible 3-D porous structure and is brightly fluorescent.9a Through a benign activation process, involving treatment of the MOF with MeOH followed by drying the MeOH-exchanged material at 60–70 °C under vacuum, we obtained a guest-free compound AEMOF-1′ with the formula [MgIJH2dhtp)IJH2O)2], as estimated by analytical data
We report the synthesis, crystal structure and detailed photophysical studies of the mononuclear complex [MgIJH2dhtp)IJH2O)5]·H2O [1],11 which is shown to be identical to the hydrated form of AEMOF-1
Summary
Paper environmental changes and can thereby be used as a detection tool.5 The excellent water adsorption properties shown by many MOFs6 led to the study of their luminescent counterparts as humidity sensors. We recently reported an alkaline earth metal ion organic framework (AEMOF), [MgIJH2dhtp)IJH2O)2]·DMAc (AEMOF1·DMAc), which has a flexible 3-D porous structure and is brightly fluorescent.9a Through a benign activation process, involving treatment of the MOF with MeOH followed by drying the MeOH-exchanged material at 60–70 °C under vacuum, we obtained a guest-free compound AEMOF-1′ with the formula [MgIJH2dhtp)IJH2O)2], as estimated by analytical data.
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