Rapid synthesis of Ag@Ni core-shell nanoparticles using a microwave-polyol method
Rapid synthesis of Ag@Ni core-shell nanoparticles using a microwave-polyol method
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DOI：
10.1016/j.matlet.2010.05.032
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发表时间：
2010-08-31
影响因子：
3
通讯作者：
Kawazumi, Hirofumi
中科院分区：
文献类型：
--
作者：
Tsuji, Masaharu;Hikino, Sachie;Kawazumi, Hirofumi
研究了AgNO3和NiSO4中心点6H(2)O、NiCl2中心点6H(2)O或Ni(NO3)(2) O的混合物在NaOH和聚乙烯吡罗烷酮（PVP）存在下，在乙二醇（EG）中微波加热10 min。然后，我们以高收率成功合成了银核-镍壳纳米粒子，表示为Ag@Ni。利用能量分散x射线光谱（EDS）测量和选择区域电子衍射（SAED）模式证实了Ag@Ni粒子的形成。讨论了Ag@Ni的生长机理。Ag@Ni的紫外可见光谱与Ni粒子相似。(C) 2010 Elsevier B.V.版权所有
Mixtures of AgNO3 and NiSO4 center dot 6H(2)O, NiCl2 center dot 6H(2)O, or Ni(NO3)(2)center dot 6H(2)O were reduced in ethylene glycol (EG) in the presence of NaOH and poly(vinylpyrrolidone) (PVP) under microwave (MW) heating for 10 min. Then, we succeeded in the synthesis of Ag core-Ni shell nanoparticles, denoted as Ag@Ni, in high yield. The formation of Ag@Ni particles was confirmed using energy dispersed X-ray spectroscopic (EDS) measurements and selected area electron diffraction (SAED) patterns. The growth mechanism of Ag@Ni is discussed. The UV-Vis spectra of Ag@Ni were similar to those of Ni particles. (C) 2010 Elsevier B.V. All rights reserved.