Morphology-controlled synthesis of monodisperse silver spheres via a solvothermal method

被引：22

作者：

Chen, Yashao ^{[1
]}

Wei, Yanlin ^{[1
]}

Chang, Pengmei ^{[1
]}

Ye, Linjing ^{[1
]}

机构：

[1] Shaanxi Normal Univ, Sch Chem & Mat Sci, Minist Educ, Key Lab Appl Surface & Colloid Chem, Xian 710062, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 17期

关键词：

Silver metal; Chemical synthesis; Nanostructures; Optical properties; LARGE-SCALE SYNTHESIS; FACILE SYNTHESIS; NANOPARTICLES; NANOSTRUCTURES; GROWTH; FILMS;

D O I：

10.1016/j.jallcom.2011.02.054

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Monodisperse silver spheres were successfully synthesized by a solvothermal method with the assistance of polyvinylpyrrolidone (PVP). The final products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), laser particle size analyzer, transmission electron microscopy (TEM), Fourier transform infrared spectrophotometer (FTIR), and UV-vis absorption spectroscopy. The as-synthesized silver spheres with cubic phase structure were nearly monodisperse and had an average diameter of 250 nm. The experimental results showed that their sizes and morphologies could be tailored by changing the reaction temperature, time, and PVP concentration under solvothermal conditions. The optical properties of silver spheres were investigated as a function of PVP concentration. A possible mechanism was presented for the formation of monodisperse silver spheres. (C) 2011 Elsevier B. V. All rights reserved.

引用

页码：5381 / 5387

页数：7

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