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控制劑碳酸鈉輔助微波合成球形納米銀顆粒
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長(zhǎng)江學(xué)者與創(chuàng)新團(tuán)隊(duì)發(fā)展計(jì)劃(IRT0972);國家自然科學(xué)基金(51002102);山西省自然科學(xué)基金(2009021026);山西省高等學(xué)校優(yōu)秀青年學(xué)術(shù)帶頭人支持計(jì)劃


Synthesis of Spheric Silver Nanoparticles by a Microwave Method with Sodium Carbonate
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    摘要:

    在聚乙烯吡咯烷酮(PVP)存在下,以無水Na2CO3為控制劑,利用微波輔助多元醇法快速加熱還原硝酸銀制備了球形Ag納米顆粒,研究了Na2CO3的添加量對(duì)球形Ag納米顆粒大小的影響。用掃描電鏡(SEM)、透射電鏡(TEM)、X射線光電子能譜(XPS)、X射線衍射(XRD)和紫外-可見吸收光譜(UV-Vis)對(duì)制備的銀納米顆粒的形貌、組分、粒徑和相結(jié)構(gòu)進(jìn)行了表征。結(jié)果表明,制備的Ag納米顆粒的平均粒徑隨著Na2CO3添加量的增大而逐漸減小。

    Abstract:

    Spheric silver nanoparticles were synthesized in the presence of polyvinyl pyrrolidone (PVP) as surfactant and sodium carbonate (Na2CO3) as controlled agent by the reduction of silver ions through a microwave-assisted polyol method. The effects of adding amount of Na2CO3 on the silver nanoparticle size were investigated. The morphology, composition, particle size and phase structure of the silver nanoparticles were characterized by SEM, TEM, XPS, XRD and UV-vis. The results show that the average size of silver nanoparticles decreases with the increase of the adding amount of Na2CO3.

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張竹霞,邵桂雪,劉海瑞,許并社.控制劑碳酸鈉輔助微波合成球形納米銀顆粒[J].稀有金屬材料與工程,2013,42(4):809~813.[Zhang Zhuxia, Shao Guixue, Liu Hairui, Xu Bingshe. Synthesis of Spheric Silver Nanoparticles by a Microwave Method with Sodium Carbonate[J]. Rare Metal Materials and Engineering,2013,42(4):809~813.]
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  • 收稿日期:2012-05-14
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