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AgI nanocrystals were synthesised by autoclave at 140 o C. XRD measurement shows that AgI has a single β-phase and the particle size is about 25 nm. This is a simple and efficient method to prepare β-AgI nanocrystals at a large scale. The absorption spectra of β-AgI were compared with the absorption spectra of colloid AgI (usually a mixture of β-AgI and γ-AgI at room temperature).
Sb 2 O 3 fibrils and tubules with lengths of up to several millimeters and diameters of nanometers to submicrometers were achieved by using Sb 2 S 3 nanopowders as starting material. The synthesis can be ascribed to a vapor-solid process where metal catalyst was neither adopted during the synthesis, nor observed at tips of fibrils or tubules. Sb 2 O 3 ...
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