室温条件下,在水-NMPD混合溶液中,以邻苯二胺还原硝酸银,通过直接混合的一步反应,实现了球形纳米尺度银颗粒的可控制备.制备的颗粒采用扫描电子显微镜(SEM)和X射线衍射(XRD)技术进行性质表征,反应后的溶液体系采用紫外-可见光谱(UV-Vs)和液相色谱-质谱(LC-MS)技术进行分析.结果表明:制备的纳米银颗粒呈现出良好的球形形态,粒径均匀,平均粒径约70 nm,银纳米颗粒具有面心立方对称结构,其品格参数dhkl,a和V3均略大于标准卡片值,邻苯二胺经银离子氧化后的产物为2,3-二氨基吩嗪.
参考文献
| [1] | NADJA C. BIGALL;ALEXANDER EYCHMULLER .Synthesis of noble metal nanoparticles and their non-ordered superstructures[J].Philosophical transactions of the Royal Society. Mathematical, physical, and engineering sciences,2010(1915):1385-1404. |
| [2] | Qi, L;Lee, BI;Chen, SH;Samuels, WD;Exarhos, GJ .High-dielectric-constant silver-epoxy composites as embedded dielectrics[J].Advanced Materials,2005(14):1777-1780. |
| [3] | Bhanudas Naik;Subhenjit Hazra;Vadakkethonippurathu S. Prasad .Synthesis of Ag nanoparticles within the pores of SBA-15: An efficient catalyst for reduction of 4-nitrophenol[J].Catalysis Communications,2011(12):1104-1108. |
| [4] | Zhu JJ.;Palchik O.;Koltypin Y.;Gedanken A.;Liu SW. .Shape-controlled synthesis of silver nanoparticles by pulse sonoelectrochemical methods[J].Langmuir: The ACS Journal of Surfaces and Colloids,2000(16):6396-6399. |
| [5] | Bhanudas Naik;V.S. Prasad;Narendra Nath Ghosh .A simple aqueous solution based chemical methodology for synthesis of Ag nanoparticles dispersed on mesoporous silicate matrix[J].Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems,2010(2):197-201. |
| [6] | Wang, T;Jiang, X;Mao, CW .Influence of adsorption of reactants on preparation of silver nanoparticles by adsorption phase synthesis[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2009(1/3):68-72. |
| [7] | AN Bing,CAI Xiong-hui,WU Feng-shun,WU Yi-ping.Preparation of micro-sized and uniform spherical Ag powders by novel wet-chemical method[J].中国有色金属学报（英文版）,2010(08):1550-1554. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%