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α-Fe2 O3 nanodisks: layered structure, growth mechanism, and enhanced photocatalytic property
1Beijing National Laboratory for Molecular Sciences (BNLMS) & Key Laboratory for Molecular Nanostructures and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing, PR China.
Abstract:
Layered structure: α-Fe2 O3 nanodisks with a layered structure assembled from nanoplates were produced by a hydrothermal method. The simple, low-cost method used silicate anions as capping ligands, which selectively adsorbed onto the {0001} facet of α-Fe2 O3 and terminated the growth along the [0001] direction, leading to platelike building units. The layered structure led to significantly enhanced absorption of visible light, compared with single-layer α-Fe2 O3 , and excellent photocatalytic abilities.
