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Oxidizing agent impacting on growth of ZnO tetrapod nanostructures and its characterization

机译：氧化剂影响ZnO Tetrapod纳米结构的生长及其表征

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摘要

In this paper, the fabrication of ZnO tetrapod was investigated. It was synthesized by the thermal oxidation technique using metal zinc powder mixed with oxidizing agents such as hydrogen peroxide (H_2O_2) and ammonium persulfate CCNH_4)_2S_2O_8). The furnace heating temperature reached at 1000 °C in the air. The average diameter and length of a tetrapod leg for mixture with H_2O_2 from SEM were 45.3 nm and 1.57 μm, respectively. The oxygen vacancy (36%) of ZnO tetrapod with H_2O_2 was higher than 33% of ZnO tetrapod with only Zn. Growth mechanism of ZnO tetrapod was processed via the formation of Zn nucleus and growing the wurtzite structure. The growing directions of ZnO crystal conformed with the [0001] direction. ZnO tetrapod showed up the high resolution TEM image with the lattice spacing 0.252 nm. From these results, this work was indicated that H_2O_2 solution was a better oxidizing reaction helper to make ZnO tetrapod nanostructures than anything else.
机译：本文研究了ZnO TetraPod的制造。 通过使用金属锌粉与氧化剂如氧化剂（H_2O_2）和过硫酸铵CCNH_4）_2S_2O_8）混合的热氧化技术合成。 炉加热温度在空气中达到1000℃。 来自SEM的H_2O_2的与H_2O_2混合的平均直径和长度分别为45.3nm和1.57μm。 用H_2O_2的ZnO Tetrapod的氧气空位（36％）高于ZnO Tetrapod的33％，仅具有Zn。 通过形成Zn核来加工ZnO Tetrapod的生长机制，并生长紫立岩结构。 ZnO晶体的生长方向符合[0001]方向。 ZnO Tetrapod向高分辨率TEM图像显示出0.252 nm的晶格间距。 从这些结果中，表明H_2O_2溶液是一种更好的氧化反应助剂，以使ZnO Tetrapod纳米结构比其他更好。

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  • 来源
    《Environmental research》 |2021年第2期|111032.1-111032.7|共7页
  • 作者

    Daejeong Yang; Ramu Adam Gopal; Telmenbayar Lkhagvaa; Dongjin Choi;

  • 作者单位

    School of Materials Science and Engineering Hongik University 2639 Sejong-ro Jochiwon-eup Sejong City 30016 South Korea;

    School of Materials Science and Engineering Hongik University 2639 Sejong-ro Jochiwon-eup Sejong City 30016 South Korea;

    School of Mechanical Engineering and Transportation Mongolian University of Science and Technology 34 Ulaanbaatar Mongolia;

    School of Materials Science and Engineering Hongik University 2639 Sejong-ro Jochiwon-eup Sejong City 30016 South Korea;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    ZnO; Nanotetrapod; Oxidizing reaction; Thermal oxidation;

    机译：Zno;Nanotetrapod;氧化反应;热氧化;

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