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熱注入法制備銀納米顆粒及其性能表征
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北京航空材料研究院,北京航空材料研究院,北京航空材料研究院,北京航空材料研究院,北京航空材料研究院,北京航空材料研究院,北京航空材料研究院

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TGl46.3 2

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國家自然科學(xué)基金項目（面上項目，重點項目，重大項目）


Synthesis of Nano-Silver Powder by Hot-Injection Method and Their Properties Characterization
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Beijing Institute of Aeronautical Materials,Beijing Institute of Aeronautical Materials,Beijing Institute of Aeronautical Materials,Beijing Institute of Aeronautical Materials,Beijing Institute of Aeronautical Materials,Beijing Institute of Aeronautical Materials,Beijing Institute of Aeronautical Materials

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    摘要:

    采用熱注入法，以AgNO3為前軀體，乙二醇為還原劑，聚乙烯吡咯烷酮為穩(wěn)定劑和分散劑，制備銀納米顆粒。利用透射電子顯微鏡（TEM）、X射線衍射儀（XRD）和紫外-可見光分光光度計（UV-Vis）對產(chǎn)物銀顆粒的尺寸形貌、晶體結(jié)構(gòu)以及光學(xué)性能進(jìn)行了表征，同時根據(jù)Mie散射理論對消光譜進(jìn)行模擬計算。結(jié)果表明，同傳統(tǒng)的一步化學(xué)還原法相比，利用熱注入法制備的銀納米顆粒粒徑分布更加均勻，分散性更好。所制備的銀顆粒呈類球形，粒度約為20 nm，其共振吸收譜線同模擬計算的結(jié)果基本符合。

    Abstract:

    Silver nanoparticles have been synthesized by the reduction of AgNO3 in the presence of polyvinyl pyrrolidone as surfactant and ethylene glycol as reducing agent through a hot-injection method. The size distribution, morphology, structure and optical properties of particles have been characterized by transmission electron microscopy (TEM), X-ray diffractometer (XRD) and UV/Visible absorption spectrophotometry. While the absorption spectra was investigated by means of Mie theory. Results indicate that comparing to the traditional one-step reduction routes, the silver nanoparticles, derived from hot-injection method, possesses a better dispersion and more uniform size distribution. TEM images show that the morphology of nano-silver particles are spheroidal, with an average diameter of 20 nm, and the experimental observations are basically consistent with the numerical analysis results.

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田野,劉大博,羅飛,劉勇,祁洪飛,成波,滕樂金.熱注入法制備銀納米顆粒及其性能表征[J].稀有金屬材料與工程,2016,45(8):2161~2164.[tianye, liudabo, luofei, liuyong, qihongfei, chengbo, tenglejin. Synthesis of Nano-Silver Powder by Hot-Injection Method and Their Properties Characterization[J]. Rare Metal Materials and Engineering,2016,45(8):2161~2164.]
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  • 收稿日期:2014-07-04
  • 最后修改日期:2014-10-23
  • 錄用日期:2014-11-20
  • 在線發(fā)布日期: 2016-10-09
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