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homelitian铁虫 (正式写手)
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Materials Letters的一片老文章关于银的，希望对你有用
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Preparation and optical properties of colloidal silver nanoparticles at a high Ag+concentration Abstract We have prepared colloidal silver nanoparticles by reducing a high molar concentration of AgNO3(up to 0.735 M) with glycerol in the presence of m-phenylenediamine. These silver nanoparticles had anisotropic shapes, including truncated rectangles, truncated triangles, and spheroid-type particles. The UV–Vis spectra of these nanoparticle systems display two distinct plasmon modes and a shoulder that correspond to the in-plane dipole, in-plane quadruple, and out-of-plane dipole resonances, respectively. The size and coating thickness of the nanoparticles are controllable while retaining their size distribution. We have used scanning electron microscopy (SEM), X-ray diffraction (XRD), transmission electron microscopy (TEM) and, UV–Vis spectroscopy to characterize the silver products obtained. 一片老文章拿来晒一晒 |
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2015-11-21 17:05:15, 388.32 K
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homelitian
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