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Controllable Growth of ZnO Microstructures via a Solution Route

机译：通过溶液途径可控地生长ZnO微结构

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摘要

A facile method has been developed to fabricate ZnO microstructures by a solution route at an 80 degrees C. The microstructures with various morphologies were fabricated in water or anhydrous ethanol by using polyvinylpyrrolidone and cetyltrimethylammonium bromide as surfactants. ZnO rods with aspect ratios up to 30 have been created successfully in water through a hydrothermal process, while novel shuttle-like ZnO microstructures were fabricated in anhydrous ethanol using a similar procedure. ZnO rods revealed wurtzite-type crystal structure according to their X-ray diffraction (XRD) patterns. The morphologies of ZnO microstructures were adjusted conveniently by changing solvents and surfactants. In addition, the sizes of ZnO microstructures decreased under a long reaction time. This morphological evolution of ZnO microstructures indicated that the growth of ZnO is susceptive to reaction time due to the reaction between ZnO and aqueous ammonia. The facile strategy described here would be utilizable for the preparation of various metal oxide microstructures.
机译：已经开发了一种简便的方法来通过在80摄氏度下的溶液法制备ZnO微结构。使用聚乙烯吡咯烷酮和十六烷基三甲基溴化铵作为表面活性剂，在水或无水乙醇中制备具有各种形态的微结构。通过水热法成功地在水中创建了纵横比高达30的ZnO棒，同时使用无水乙醇通过类似的步骤制造了新型的穿梭状ZnO微观结构。 ZnO棒根据其X射线衍射（XRD）模式显示了纤锌矿型晶体结构。可以通过改变溶剂和表面活性剂方便地调节ZnO微观结构的形貌。另外，ZnO微结构的尺寸在较长的反应时间下减小。 ZnO微观结构的这种形态演变表明，由于ZnO与氨水之间的反应，ZnO的生长易受反应时间的影响。本文所述的简便策略可用于制备各种金属氧化物微结构。

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  • 来源
    《Journal of nano research》 |2018年第2018期|39-47|共9页
  • 作者

    Li Xiaolong; Hou Shuping; Zhang Licheng; Wang Bin; Xiao Renxing; Liu Xifeng;

  • 作者单位

    Shandong Acad Bldg Res, Jinan 250031, Shandong, Peoples R China;

    Shandong Acad Bldg Res, Jinan 250031, Shandong, Peoples R China;

    Shandong Acad Bldg Res, Jinan 250031, Shandong, Peoples R China;

    Shandong Acad Bldg Res, Jinan 250031, Shandong, Peoples R China;

    Shandong Acad Bldg Res, Jinan 250031, Shandong, Peoples R China;

    Shandong Acad Bldg Res, Jinan 250031, Shandong, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    ZnO; microstructures; solution-phase; PVP; CTAB;

    机译：ZnO;微观结构;固溶相;PVP;CTAB;

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