Ionothermal synthesis and characterization of CoAPO-34 molecular sieve
Abstract
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.
Citation
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 . https://doi.org/10.1016/j.micromeso.2016.09.045
Publication
Microporous and Mesoporous Materials
Status
Peer reviewed
ISSN
1387-1811Type
Journal item
Collections
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