Rapid, facile synthesis of InSb twinning superlattice nanowires with a high-frequency photoconductivity response.

Rapid, facile synthesis of InSb twinning superlattice nanowires with a high-frequency photoconductivity response.
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快速、简便地合成具有高频光电导响应的 InSb 孪生超晶格纳米线

DOI:
10.1039/d1ra01903a
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发表时间:
2021-05-27
期刊:
影响因子:
3.9
通讯作者:
--
中科院分区:
化学3区
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我们提出了一种自晶种(铟液滴)溶液-液体-固体(SLS)合成InSb纳米线(NW)的路线,使用商业上可获得的前驱体,在约175 °C的相对较低的温度下,在注入还原剂后仅需要1分钟。结构表征表明,InSb纳米线具有高质量的孪晶超晶格结构,孪晶面沿生长方向沿着排列.值得注意的是,我们已经测量了一个超快的电导率寿命的纳米线仅为9.1 ps,利用时间分辨光泵太赫兹探测(OPTP)光谱,这可能有助于发展的高频纳米级集成光电系统相关的孪生超晶格结构。我们提出了一种自晶种溶液-液体-固体(SLS)合成InSb纳米线(NW)的路线,使用商业上可获得的前驱体,在约175 °C的相对较低的温度下,在注入还原剂后仅需要1分钟。
We present a self-seeded (with indium droplets) solution–liquid–solid (SLS) synthesis route for InSb nanowires (NWs) using commercially available precursors at a relatively low temperature of about 175 °C, which takes only 1 min upon the injection of reductant. Structural characterization reveals that the InSb nanowires are high quality and have twinning superlattice structures with periodically spaced twin planes along the growth direction of 〈111〉. Notably, we have measured an ultrafast conductivity lifetime in the NWs of just 9.1 ps utilizing time-resolved optical pump-terahertz probe (OPTP) spectroscopy, which may facilitate the development of high-frequency nanoscale integrated optoelectronic systems related to twinning superlattice structures. We present a self-seeded solution–liquid–solid (SLS) synthesis route for InSb nanowires (NWs) using commercially available precursors at a relatively low temperature of about 175 °C, which takes only 1 min upon the injection of reductant.
DOI: 10.1021/nl104267p
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期刊: NANO LETTERS
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