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硫化鈷納米晶超聲噴霧控制生長(zhǎng)
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重慶交通大學(xué),Third Military Medical University,Chongqing Jiaotong University,Chongqing Jiaotong University,重慶交通大學(xué)

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Controlled synthesis of cobalt sulfide nanocrystalline by Ultrasonic Spray Pyrolysis process
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Chongqing Jiaotong University,bDepartment of Physics,Third Military Medical University;PR China,,bDepartment of Physics,Third Military Medical University;PR China,Chongqing Jiaotong University

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    摘要:

    以CoCl2.6H2O和CH4N2S為前驅(qū)物，通過(guò)超聲噴霧熱解法，制備了立方相Co9S8納米碎殼和Co3S4 納米晶。所制備的樣品用XRD,SEM,EDX和FTIR進(jìn)行了表征，結(jié)果發(fā)現(xiàn)過(guò)量的硫脲和反應(yīng)時(shí)間對(duì)產(chǎn)物的形貌有明顯影響。通過(guò)控制反應(yīng)溫度可以控制樣品的物相，并且對(duì)空心和實(shí)心晶體結(jié)構(gòu)的產(chǎn)生提出了相應(yīng)的機(jī)理。

    Abstract:

    Cubic Co9S8 fracture structure nanoshells and cubic Co3S4 nanocrystallines were prepared by ultrasonic spray pyrolysis process using cobalt chloride (CoCl2?6H2O) and thiourea (CH4N2S) as the starting materials. The as-prepared Co9S8 nanoshells and Co3S4 nanocrystallines were characterized by X-ray diffraction (XRD), Scanning electron microscope (SEM) with energy-disperse X-ray spectroscopy (EDX) attachment and Fourier-transform infrared (FTIR) spectrometer respectively. It was found that the phase transition could be controlled by adjusting the reaction temperature, while morphologies of final products could be influenced by the molar ratio and reaction time of precursor. Meanwhile, possible mechanism for the formation of hollow and solid crystalline structures of the product was proposed.

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殷鵬飛,孫麗麗,韓向宇,夏川茴,吳海英.硫化鈷納米晶超聲噴霧控制生長(zhǎng)[J].稀有金屬材料與工程,2016,45(7):1700~1704.[a. College of Science, sunlili, hanxiangyu, xiachuanhui, wuhaiying. Controlled synthesis of cobalt sulfide nanocrystalline by Ultrasonic Spray Pyrolysis process[J]. Rare Metal Materials and Engineering,2016,45(7):1700~1704.]
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  • 收稿日期:2015-04-09
  • 最后修改日期:2016-01-19
  • 錄用日期:2016-02-24
  • 在線發(fā)布日期: 2016-10-09
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