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Novel urchin-like SnO2 nanostructures were prepared by a facile hydrothermal process. The well-defined nanostructures were composed of numerous one-dimensional nanowires with a diameter of ∼8–10nm. Based on comparative studies, a possible formation mechanism was proposed in detail. It was believed that the nucleation was initiated by formation of ZnSn(OH)6. Furthermore, gas-sensing measurement indicated...
Two type flower-like SnO2 hierarchical architectures with ultrathin nanosheets as building blocks have been controllably synthesized via tuning the presence or not of PEG under hydrothermal condition. Whether the sparsely assembled flower-like SnO2 hierarchical nanosheets or the closely assembled counterparts, the thickness of an individual nanosheet is about 50nm, which is less than twice Debye length...
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