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首页> 外文会议>Microelectromechanical systems-materials and devices IV >Synthesis and Control of ZnS Nanodots and Nanorods with Different Crystalline Structure from an Identical Raw Material Solution and the Excitonic UV Emission
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Synthesis and Control of ZnS Nanodots and Nanorods with Different Crystalline Structure from an Identical Raw Material Solution and the Excitonic UV Emission

机译：相同原料溶液和激子UV发射合成不同晶体结构的ZnS纳米点和纳米棒

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摘要

We synthesized ZnS nanocrystals from identical raw material solution by the thermal decomposition of an amine complex. The shapes of products were changed by simply varying heating rate. At higher heating rate, we obtained the isotropic zincblende nanocrystals. At the lower heating rate, the nanorods were formed and the length was increased with the decrease of heating rate. The nanorods had wurtzite structure below 175 ℃, and consequently transformed to zincblende phase during a temperature rise to 200 ℃. These particle shapes and phases were related to the adsorption properties of amine ligands. Additionally, the synthesized ZnS nanodots and nanorods exhibited predominantly band-edge emission in fluorescence spectra.
机译：我们通过胺配合物的热分解，从相同的原料溶液中合成了ZnS纳米晶体。只需改变加热速度即可改变产品形状。在较高的加热速率下，我们获得了各向同性的闪锌矿纳米晶体。在较低的加热速率下，随着加热速率的降低，形成了纳米棒并且长度增加。纳米棒在175℃以下具有纤锌矿结构，因此在温度升至200℃时转变为闪锌矿相。这些颗粒形状和相与胺配体的吸附性能有关。此外，合成的ZnS纳米点和纳米棒在荧光光谱中主要表现出带边发射。

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  • 来源
  • 会议地点 Boston MA(US);Boston MA(US)
  • 作者

    Masato Uehara; Satoshi Sasaki; Yusuke Nakamura; Changi Lee; Hiroyuki Nakamura; Hideaki Maeda;

  • 作者单位

    National Institute of Advanced Industrial Science and Technology (A1ST), 807-1, Shuku-machi, Tosu, Saga 841-0052, Japan;

    Kyusyu University, 6-1, Kasuga-kouen, Kasuga, Fukuoka 816-8580, Japan;

    Kyusyu University, 6-1, Kasuga-kouen, Kasuga, Fukuoka 816-8580, Japan;

    National Institute of Advanced Industrial Science and Technology (A1ST), 807-1, Shuku-machi, Tosu, Saga 841-0052, Japan;

    National Institute of Advanced Industrial Science and Technology (A1ST), 807-1, Shuku-machi, Tosu, Saga 841-0052, Japan;

    National Institute of Advanced Industrial Science and Technology (A1ST), 807-1, Shuku-machi, Tosu, Saga 841-0052, Japan,Kyusyu University, 6-1, Kasuga-kouen, Kasuga, Fukuoka 816-8580, Japan,CREST, Japan Science and Technology Agency, 4-1-8, Hon-cho, Kawaguchi 332-0012, Japan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 半导体技术;
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