采用水热法,以聚乙烯吡咯烷酮为保护剂,以葡萄糖直接还原硝酸银制备纳米银溶胶及纳米银粒子.探讨了表面活性剂的种类、反应温度等参数对纳米银形貌、粒子尺寸的影响,并采用XRD、SEM和EDS等手段表征了纳米银的特性.结果表明:在反应温度140℃、反应时间6h的条件下,可制备粒径20nm左右、分散均一的球形纳米银粒子.
参考文献
| [1] | Claudia Pacholski;Andreas Kornowski;Horst Weller .Site-Specific Photodeposition of Silver on ZnO Nanorods[J].Angewandte Chemie,2004(36):4774-4777. |
| [2] | Aslan K et al.Rapid deposition of triangular silver nanoplates on planar surfaces:Application to metal-enhanced fluoresence[J].Journal of Physical Chemistry B,2005,109(13):6247. |
| [3] | Xie Jianping;Lee Jimyang;Wang Daniel I C et al.Identification of active biomolecules in the high-yield synthesis of sin gle-crystalline gold nanoplates in algal ～lutions[J].Small,2007,3(04):672. |
| [4] | Radha Narayanan;Mostafa A. El-Sayed .Shape-Dependent Catalytic Activity of Platinum Nanoparticles in Colloidal Solution[J].Nano letters,2004(7):1343-1348. |
| [5] | Lewis L N .Chemical catalysis by colloids and clusters[J].Chemical Reviews,1993,93(08):2693. |
| [6] | Zhang J;Gryczyski I;Gryczynski Z et al.Dye-labeled silver nanoshell-bright panicles[J].Journal of Physical Chemistry B,2006,110:8986. |
| [7] | 何鑫,张梅,尹荔松,王忆,范海陆,阳素玉,赵修建,宋明霞.多形貌纳米银的研究进展[J].材料导报,2009(07):36-41. |
| [8] | 晋传贵,姜山,陈刚.化学还原法制备银纳米颗粒[J].安徽工业大学学报（自然科学版）,2008(02):120-122. |
| [9] | Tao F;Wang Z;Chen D et al.Synthesis of silver dendritic hierarchical structurcs and transformation into silver nanobeIts through an ultrasonic process[J].Nanotechnology,2007,18:295602. |
| [10] | Sendova M;Sendova-Vassileva M;Pivin JC;Hofmeister H;Coffey K;Warren A .Experimental study of interaction of laser radiation with silver nanoparticles in SiO2 matrix[J].Journal of nanoscience and nanotechnology,2006(3):748-755. |
| [11] | 何鑫,张梅,王忆,阳素玉,尹荔松.软模板法制备皂荚形貌银纳米粒子[J].材料导报,2009(20):82-84. |
| [12] | Mallick K;Witcomb MJ;Scurrell MS .Self-assembly of silver nanoparticles in a polymer solvent: Formation of a nanochain through nanoscale soldering[J].Materials Chemistry and Physics,2005(2/3):221-224. |
| [13] | Liu FK;Huang PW;Chang YC;Ko CJ;Ko FH;Chu TC .Formation of silver nanorods by microwave heating in the presence of gold seeds[J].Journal of Crystal Growth,2005(3/4):439-445. |
| [14] | Sun Y;Xia Y .Shape-controlled synthesis of gold and silver nanoparticles[J].Science,2002,298:2176. |
| [15] | Rong M;Zhang M;Liu H .Synthesis of silver nanoparticles and their self-organization behavior in epoxy resin[J].Polymer,1999,40:6169. |
| [16] | Rodriguez Sanehez L;Blaeo M C;López-Quinteal M A .Electro-chemical synthesis of silver nanopaticles[J].Journal of Physical Chemistry B,2000,104(41):9683. |
| [17] | S.Shiv Shankar;Absar Ahmad;Murali Sastry .Geranium Leaf Assisted Biosynthesis of Silver Nanoparticles[J].Biotechnology Progress,2003(6):1627-1631. |
| [18] | 何鑫 .多形貌银纳米粒子的化学法制备及其在荧光增强中的应用[D].武汉理工大学,2008. |
| [19] | Xia Y;Xiong Y;Llim B et al.Shape-controlled synthesis of metal nanocrystals:Simple chemistry meets complex physics[J].Angewandte Chemie International Edition,2008,47:2. |
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%