Abstract
Spinel-type MgAl 2 O 4 nanoparticles with high surface area were synthesized by thermal decomposition of three different ion-pair complexes precursors, including [Mg(H 2 O) 6 ][Al(dipic) 2 ] 2 ⋅6H 2 O, [Al(sal) 2 (H 2 O) 2 ] 2 [Mg(dipic) 2 ] and [Mg(H 2 O) 6 ][Al(ox) 2 (H 2 O) 2 ] 2 ⋅5H 2 O. Influence of the inorganic precursor was investigated on synthesis and textural properties of magnesium aluminate nanopowders. The precursors [Mg(H 2 O) 6 ] [Al(dipic) 2 ] 2 ⋅6H 2 O and [Al(sal) 2 (H 2 O) 2 ] 2 [Mg(dipic) 2 ] displayed pure spinel-type MgAl 2 O 4 , while the sample synthesized by [Mg(H 2 O) 6 ][Al(ox) 2 (H 2 O) 2 ] 2 ⋅5H 2 O precursor consisted of MgAl 2 O 4 and MgO. The MgAl 2 O 4 synthesized via [Al(sal) 2 (H 2 O) 2 ] 2 [Mg(dipic) 2 ] precursor exhibited higher BET specific surface area (226.7 m2 g−1) and smaller particle size than those of the samples obtained from the two other precursors.
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We are grateful to the Iran National Science Foundation and the Iranian Research Organization for Science and Technology for financial support.
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MIROLIAEE, A., SALEHIRAD, A. & REZVANI, A.R. Synthesis of high-surface-area spinel-type MgAl 2 O 4 nanoparticles by [Al(sal) 2 (H 2 O) 2 ] 2 [Mg(dipic) 2 ] and [Mg(H 2 O) 6 ][Al(ox) 2 (H 2 O) 2 ] 2 ⋅5H 2 O: influence of inorganic precursor type. Bull Mater Sci 40, 45–53 (2017). https://doi.org/10.1007/s12034-016-1353-1
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DOI: https://doi.org/10.1007/s12034-016-1353-1