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Controlled Growth of SnO2 Hierarchical Nanostructures by a Multistep Thermal Vapor Deposition Process

机译:通过多步热气相沉积工艺控制SnO2分层纳米结构的生长

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Branched and sub-branched SnO2 hierarchical architectures in which numerous aligned nanowires grew on the surface of nanobelt sub-' strates have been obtained by a multi-step thermal vapor deposition route.Branch size and morphology can be controlled by adjusting the temperature and duration of growth.The same approach was used to grow branched ZnO-SnO2 heterojunction nanostructures.In addition,the third level of SnO2 nanostructures was obtained by repeating the vapor deposition growth process.This technique provides a gen eral,facile,and convenient approach for preparing even more complex nanoarchitectures,and should open up new opportunities for both fundamen tal research and applications,such as nanobelt-based three-dimensional nanodevices.
机译:通过多步热气相沉积途径获得了分支和亚分支的SnO2分层体系结构,其中许多排列的纳米线在纳米带基底的表面上生长。可通过调节温度和时间来控制分支的大小和形态。使用相同的方法来生长支化的ZnO-SnO2异质结纳米结构。此外,通过重复气相沉积生长过程获得了第三级SnO2纳米结构。该技术提供了一种通用,简便且方便的制备方法。更复杂的纳米结构,应该为基础研究和应用(例如基于纳米带的三维纳米器件)开辟新的机遇。

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