Site-specific iron substitution in STA-28, a large pore aluminophosphate zeotype prepared using 1,10-phenanthrolines as framework-bound templates
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An AlPO4 zeotype has been prepared using the aromatic diamine 1,10‐phenanthroline and some of its methylated analogues as templates. In each case the two template N atoms bind to a specific framework Al site to expand its coordination to the unusual octahedral AlO4N2 environment. Furthermore, using this framework‐bound template, Fe atoms can be included selectively at this site in the framework by direct synthesis, as confirmed by annular dark field scanning transmission electron microscopy and Rietveld refinement. Calcination removes the organic molecules to give large pore framework solids, with BET surface areas up to 540 m2 g‐1 and two perpendicular sets of channels that intersect to give pore space connected by 12‐ring openings along all crystallographic directions.
Watts , A E , Lozinska , M M , Slawin , A M Z , Mayoral , A , Dawson , D M , Ashbrook , S E , Bode , B E , Dugulan , I , Shannon , M , Cox , P , Turrina , A & Wright , P A 2020 , ' Site-specific iron substitution in STA-28, a large pore aluminophosphate zeotype prepared using 1,10-phenanthrolines as framework-bound templates ' , Angewandte Chemie International Edition , vol. 59 , no. 35 , pp. 15186-15190 . https://doi.org/10.1002/anie.202005558
Angewandte Chemie International Edition
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DescriptionFunding: UK Engineering and Physical Sciences Research Council (Grant Number(s): EP/N50936X/1, EP/S016201/1, EP/S016147/1); The Royal Society (Grant Number(s): INF\R2\192052).
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