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Density functional study of the structure and water adsorption activity of an Al30O30 star-shaped alumina nanocage

Chia sẻ: Lăng Thần Nam | Ngày: | Loại File: PDF | Số trang:11

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Molecular and electronic structures of a novel Al30O30 star-shaped alumina nanocage (SANC) were studied using the recently developed CAM-B3LYP density functional method. Comparison of the stretching vibrational modes of this compound with the corresponding modes related to an Al20O30 perfect cage and Al50O75 tubular alumina nanomaterials showed a shift to lower frequencies, while the bending modes moved to higher frequencies. The highest occupied molecular orbital (HOMO) of the SANC had 65% nonbonding character, whereas the lowest unoccupied molecular orbital (LUMO) was 72% antibonding.

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Nội dung Text: Density functional study of the structure and water adsorption activity of an Al30O30 star-shaped alumina nanocage

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