Ionothermal synthesis and characterization of CoAPO-34 molecular sieve
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The cobalt-doped aluminophosphate molecular sieve, CoAPO-34 (with the chabazite-type topology) was prepared under ionothermal conditions using 1-ethyl-3-methylimidazolium bromide (EMIMBr) ionic liquid in presence of 1,6-hexanediamine (HDA). The HDA is not incorporated in CoAPO-34, but is required to mediate the availability of Co2+ during the synthesis. The material was characterized using powder X-ray diffraction (PXRD), thermogravimetric analysis (TGA) and solid-state NMR spectroscopy. Wideline 31P NMR spectroscopy showed broad signals (∼5000–10000 ppm wide), confirming that paramagnetic cobalt ions are successfully incorporated within the framework of the materials.
Musa , M , Dawson , D M , Ashbrook , S E & Morris , R E 2017 , ' Ionothermal synthesis and characterization of CoAPO-34 molecular sieve ' Microporous and Mesoporous Materials , vol 239 , pp. 336-341 . DOI: 10.1016/j.micromeso.2016.09.045
Microporous and Mesoporous Materials
© 2016 Elsevier Inc. All rights reserved. This work is made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at: https://doi.org/10.1016/j.micromeso.2016.09.045
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