High-throughput syntheses of iron phosphite open frameworks in ionic liquids
Abstract Three open-framework iron phosphites: Fe п 5 (NH 4 ) 2 (HPO 3 ) 6 ( 1 ), Fe п 2 Fe ♯ (NH 4 )(HPO 3 ) 4 ( 2 ) and Fe ♯ 2 (HPO 3 ) 3 ( 3 ) have been synthesized under ionothermal conditions. How the different synthesis parameters, such as the gel concentrations, synthetic times, reaction temperatures and solvents affect the products have been monitored by using high-throughput approaches. Within each type of experiment, relevant products have been investigated. The optimal reaction conditions are obtained from a series of experiments by high-throughput approaches. All the structures are determined by single-crystal X-ray diffraction analysis and further characterized by PXRD, TGA and FTIR analyses. Magnetic study reveals that those three compounds show interesting magnetic behavior at low temperature. Highlights Three iron phosphites open-framework compounds have been synthesized by ionothermal method. The best crystallization areas of three compounds were obtained by the high-throughput approaches. In this work, the effect of different ionic liquids with different alkyl chains has been investigated. In this reaction, the ionic liquid plays dual roles of template agent and solvent. Graphical abstract Three iron phosphites open-framework compounds have been synthesized in ionic liquid and we have investigated how the gel concentrations, synthetic times and reaction temperatures affect the synthesis process by using high-throughput approach. [DISPLAY OMISSION]
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- DOI : http://dx.doi.org/10.1016/j.solidstatesciences.2016.12.017
- Elsevier : 저널> 권호 > 논문
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