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Study on the control of the fine structure in porous silicon

Study on the control of the fine structure in porous silicon
多孔硅精细结构控制研究
批准号：
07650355
负责人：
OKAMOTO Hiroshi
金额：
$1.28万
依托单位：
CHIBA UNIV
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
1995
资助国家：
日本
项目状态：
已结题
起止时间：
1995 至 1996
来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07650355/
关键词：
porous Sivisible emissionanodizationin situ PL observation間接遷移注入発光発光効率その場観察

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中文摘要
翻译
多孔硅由于其可见光发射而具有吸引力。然而，其光谱受阳极氧化过程和随后的氧化过程中的许多未知因素的影响。通过将光纤插入到阳极化溶液和氧化溶液中来尝试原位光致发光观察。阳极氧化过程中，样品的波长较短，光谱很窄，但经去离子水清洗后，样品暴露于空气中，光谱发生红移和展宽。硝酸溶液中的氧化被认为是有效的，在最大限度地减少红移和光谱展宽。
英文摘要
Porous silicon is attractive because of its visible light emission. Its spectrum, however, is influenced by many unknown factors in the anodization process and the following oxidation process. In situ photoluminescence observation was tried by inserting an optical fiber into the anodization solution and the oxidation solution. Wavelength was short and spectrum was very narrow during the anodization, but after rinsing in the deionized water and then being exposed to the air, red shift and spectrum broadening occurred. Oxidization in HNO3 solution was found to be effective in minimizing both red shift and spectrum broadening.
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Rapid and efficient control of physical properties by terahertz pulses in electronic-type ferroelectrics
  • 批准号：
    25247049
  • 项目类别：
    Grant-in-Aid for Scientific Research (A)
  • 资助金额：
    $22.46万
  • 财政年份：
    2013
  • 负责人：
    OKAMOTO Hiroshi
  • 依托单位：
    The University of Tokyo
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  • 批准号：
    23560354
  • 项目类别：
    Grant-in-Aid for Scientific Research (C)
  • 资助金额：
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  • 财政年份：
    2011
  • 负责人：
    OKAMOTO Hiroshi
  • 依托单位：
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