以柠檬酸钠和聚乙烯吡咯烷酮(PVP)分别为稳定剂和分散剂,水合肼还原银氨络离子制备稳定的单分散胶态银纳米颗粒(AgNPs).利用紫外-可见吸收光谱(UV - Vis)研究了银纳米颗粒的稳定性并对制备条件进行了优化,采用X射线衍射(XRD)和透射电镜(TEM)对产物的晶体结构、形貌及尺寸进行了分析.结果表明:当银氨溶液/柠檬酸钠/水合肼(摩尔比)=1/0.1/0.3时,所制得的银纳米颗粒属立方晶系,平均粒径约10 nm,且无团聚及氧化现象.
参考文献
| [1] | Zhou Q;Qian GZ;Li Y;Zhao G;Chao YW;Zheng JW .Two-dimensional assembly of silver nanoparticles for catalytic reduction of 4-nitroaniline[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2008(6):953-956. |
| [2] | Dubas ST;Kumlangdudsana P;Potiyaraj P .Layer-by-layer deposition of antimicrobial silver nanoparticles on textile fibers[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2006(1/3):105-109. |
| [3] | Caro C;Lopez-Cartes C;Zaderenko P;Mejias JA .Thiol-immobilized silver nanoparticle aggregate films for surface enhanced Raman scattering[J].Journal of Raman Spectroscopy: An International Journal for Original Work in All Aspects of Raman Spectroscopy, Including Higher Order Processes, and Also Brillouin- and Rayleigh Scattering,2008(9):1162-1169. |
| [4] | Panigrahi S;Praharaj S;Basu S;Ghosh SK;Jana S;Pande S;Vo-Dinh T;Jiang H;Pal T .Self-assembly of silver nanoparticles: Synthesis, stabilization, optical properties, and application in surface-enhanced Raman scattering[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2006(27):13436-13444. |
| [5] | Miljanic S;Frkanec L;Biljan T;Meic Z;Zinic M .Surface-enhanced Raman scattering on molecular self-assembly in nanoparticle-hydrogel composite[J].Langmuir: The ACS Journal of Surfaces and Colloids,2006(22):9079-9081. |
| [6] | V.Thomas;Murali Mohan Yallapu;B.Sreedhar .A versatile strategy to fabricate hydrogel-silver nanocomposites and investigation of their antimicrobial activity[J].Journal of Colloid and Interface Science,2007(1):389-395. |
| [7] | Petit C;Lixon P;Pileni M P .In situ synthesis of silver nanocluster in AOT reverse micelles[J].Journal of Physical Chemistry,1993,97(49):12974-12983. |
| [8] | Ivan Sondi;Dan V.Goia;Egon Matijevic .Preparaiton of highly concentrated stable dispersions of uniform silver nanoparticles[J].Journal of Colloid and Interface Science,2003(1):75-81. |
| [9] | 谢志国,鲁拥华,阎杰,林开群,陶俊,王沛,明海.银纳米颗粒的局域表面等离子体共振传感[J].量子电子学报,2010(01):116-120. |
| [10] | K. Lance Kelly;Eduardo Coronado;Lin Lin Zhao;George C. Schatz .The Optical Properties of Metal Nanoparticles: The Influence of Size, Shape, and Dielectric Environment[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2003(3):668-677. |
| [11] | Mie G .Contributions to the optics of turbid media,especially colloidal metal solutions[J].Annals of Physics,1908,25:377-445. |
| [12] | Bhui, DK;Bar, H;Sarkar, P;Sahoo, GP;De, SP;Misra, A .Synthesis and UV-vis spectroscopic study of silver nanoparticles in aqueous SDS solution[J].Journal of Molecular Liquids,2009(1):33-37. |
| [13] | Zhang W Z;Qiao X L;Chen J G et al.Formation of silver nanoparticles in SDS inverse microemulsions[J].Materials Chemistry and Physics,2008,109(2/3):411-416. |
| [14] | Lee GJ.;Shin SI.;Kim YC.;Oh SG. .Preparation of silver nanorods through the control of temperature and pH of reaction medium[J].Materials Chemistry and Physics,2004(2/3):197-204. |
| [15] | Chang S S;Shih C W;Chen C D et al.The shape transition of gold nanorods[J].Langmuir,1999,15(03):701-709. |
| [16] | Catherine J. Murphy;Nikhil R. Jana .Controlling the Aspect Ratio of Inorganic Nanorods and Nanowires[J].Advanced Materials,2002(1):80-82. |
| [17] | Jin R C;Cao Y W;Chad A et al.Photoinduced conversion of silver nanospheres to nanoprisms[J].Science,2001,294(5548):1901-1903. |
| [18] | Tripathya S K;Yu Y T .Spectroscopic investigation ofS-Ag interaction in ω-mercap-toundecanoic acid capped silver nanoparticles[J].Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy,2009,72(04):841-844. |
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