2005
DOI: 10.1021/jp053763n
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Synthesis and Characterization of Nanocapsules with Shells Made up of Al13 Tridecamers

Abstract: The synthesis of samples by the sol-gel method with aluminum tri-sec-butoxide as cation precursor, 2-propanol as solvent, and sulfuric acid as hydrolysis catalyst gave rise to nanocapsules with an average diameter of 20 nm and a shell thickness of 3.5 nm. The analysis of the X-ray diffraction patterns and the 27Al MAS NMR spectra showed that the shell of the nanocapsules was made up of Al13 tridecamers ordered in a noncrystalline symmetry. The interaction between the capsule's shells opened the capsule structu… Show more

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Cited by 16 publications
(36 citation statements)
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“…Bokhimi et al [34] reported that during boehmite synthesis, in the initial stage, atoms array to form nanocapsules with shells made up of Al 13 tridecamers; [35][36][37][38][39] these shells eventually transform into boehmite. At room temperature, this transformation first requires the interaction between the nanocapsules, which opens up the curved structure of their shells and creates conditions for the rearrangement of the distribution of the noncrystalline atoms.…”
Section: Morphologymentioning
confidence: 99%
“…Bokhimi et al [34] reported that during boehmite synthesis, in the initial stage, atoms array to form nanocapsules with shells made up of Al 13 tridecamers; [35][36][37][38][39] these shells eventually transform into boehmite. At room temperature, this transformation first requires the interaction between the nanocapsules, which opens up the curved structure of their shells and creates conditions for the rearrangement of the distribution of the noncrystalline atoms.…”
Section: Morphologymentioning
confidence: 99%
“…These g-alumina rods will be made of very small g-alumina crystallites with many interparticle pores created by the loss of the hydroxyl groups of the boehmite during its transformation. 28 The heterogeneous size distribution obtained for alumina particles derived from boehmite is due to the presence of alumina rods and small alumina crystallites.…”
Section: Methodsmentioning
confidence: 97%
“…), which is mainly composed of octahedral aluminum sites (Al(O) 6 ) and tetrahedral (Al(O) 4 ) site structure, 7,8 is the most stable and efficient cationic Lewis acid in the wastewater treatment process. In 2020, 9 we rst reported polyaluminum chloride as a highly efficient and green catalyst for the Friedel-Cras alkylation of bis(indolyl)methane.…”
Section: +mentioning
confidence: 99%