...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Vacuum Science & Technology. B, Microelectronics and Nanometer Structures >Growth of TiO_2 nanorods by two-step thermal evaporation
【24h】

Growth of TiO_2 nanorods by two-step thermal evaporation

机译：两步热蒸发法生长TiO_2纳米棒

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The unique morphology of TiO_2 nanorods grown in a two-step thermal evaporation process under a controlled atmosphere was observed. The first step attempts to form TiO_2 seeds with a higher surface energy on the alumina substrate with lower surface energy; the second step is the growth of the TiO_2 seeds gradually to form nanorods. Field emission scanning electron microscopy and Raman spectrometry were used to elucidate the morphology and the characteristic spectra, respectively. The nanorods were composed of nanobricks. The nanorods were 70-150 nm in diameter and up to 2 μm long, respectively. High-resolution transmission electron microscopy demonstrated that an individual nanorod exhibits a twin structure with a body-centered tetragonal rutile phase, and grows in the [110] direction. Its optical response shows a broad blue emission peak at ～418 nm as cathodoluminescence analysis.
机译：观察到在受控气氛下两步热蒸发过程中生长的TiO_2纳米棒的独特形貌。第一步尝试在具有较低表面能的氧化铝基材上形成具有较高表面能的TiO_2晶种。第二步是TiO_2种子逐渐生长形成纳米棒。场发射扫描电子显微镜和拉曼光谱分别用于阐明形态和特征光谱。纳米棒由纳米砖组成。纳米棒的直径分别为70-150 nm和最长2μm。高分辨率透射电子显微镜显示，单个纳米棒表现出具有以身体为中心的四方金红石相的孪晶结构，并沿[110]方向生长。通过阴极发光分析，它的光学响应在〜418 nm处显示一个宽广的蓝色发射峰。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号