在存在微量聚乙烯吡咯烷酮(PVP)、不用气氛保护和还原剂的条件下超声还原氯化钯水溶液,合成出单分散纳米金属钯粒子,用TEM、HRTEM、FT-IR、XRD等技术进行了表征.TEM、HRTEM观察表明纳米金属钯粒子表现出单分散性,为柱状晶体;纳米钯粒子在溶液中的稳定分散存在主要与FT IR揭示的PVP羰基基团与钯原子存在一定的配位吸附作用和PVP的长链空间位阻效应有关.
参考文献
| [1] | XU Guocai,Introduction of Nanoscience and Technology (Beijing,Press of High Education,2005) p.2(徐国财,纳米科技导论(北京,高等教育出版社,2005)p.2) |
| [2] | YAO Lianzeng,YE Changhui,MOU Jimei,LI Yuanhong,ZHANG Lide,Thermal stability study of nano-palladium,Chinese Journal of Chemical Physics,13(1),84(2000)(姚连增,叶长辉,牟季美,李远红,张立德,纳米Pd粉的热稳定性研究,化学物理学报,13(1),84(2000)) |
| [3] | N.R.Jana,Z.L.Wang,T.Pal,Redox catalytic properties of palladium nanoparticles,Langmuir.,16,2457(2000) |
| [4] | A.Kameo,T.Yoshimura,K.Esumi,Preparation of noble metal nanoparticles in supercritical carbon dioxide,Colloids Surf.A,215,181(2003) |
| [5] | W.Chen,W.P.Cai,Y.Lei,L.D.Zhang,A sonochemical approach to the confined synthesis of palladium nanoparticles in mesoporous silica,Mater.Lett.,50,53(2001) |
| [6] | N.Arul.Dhas,A.Gedanken,Sonochemical preparation and properties of nanostructured palladium metallic clusters,J.Mater.Chem.,8(2),445(1998) |
| [7] | K.Okitsu,H.Bandow,Y.Maeda,Sonochemical preparation of ultrafine palladium particles,Chem.Mater.,8,315(1996) |
| [8] | N.Abderrafik,R.Jean-Luc,K.Djameledine,Synthesis of palladium nanoparticles by sonochemical reduction of palladium(Ⅱ) nitrate in aqueous solution,J.Phys.Chem.B,110,383(2006) |
| [9] | QIU Xiaofeng,ZHU Junjie,Synthesis of palladium nanoparticles by a sonochemical method,Chinese Journal of Inorganic Chemistry,7(19),766(2003)(邱晓峰,朱俊杰,超声化学制备单分散纳米钯,无机化学学报,7(19),766(2003)) |
| [10] | K.S.Suslick,Sonochemistry,Science.,247,1439(1990) |
| [11] | E.B.Flint,K.S.Suslick,The temperature of cavitation,Science,253,1397(1991) |
| [12] | N.A.Dhas,Y.Koltypin,A.Gedanken,Sonochemical preparation and characterization of ultrafine chromium oxide and manganese oxide powders,Chem.Mater.,9(12),3159(1997) |
| [13] | N.A.Dhas,C.P.Raj,A.Gedanken,Synthesis,characterization,and properties of metallic copper nanoparticles,Chem.Mater.,10,1446(1998) |
| [14] | Galo Cárdenas-Trivi(n)o,Rodrigo A.Segura,José Reyes-Gasga,Palladium nanoparticles from solvated atoms-stability and HRTEM characterization,Colloid & Polymer Science.,282,1206(2004) |
| [15] | H.Willem,Lambertus G.J.Fokkink,Polymer-stabilized Pd sols:kinetics of sol formation and stabilization mechanism,J.Colloid Interface Sci.,175(1),12(1995) |
| [16] | GONG Xiaozhong,TANG Jiaoning,LI Junqin,GAO Jihua,Reductive preparation of cobalt nanoparticles in organic medium,Chinese Journal of Materials Research,19(2),153(2005)(龚晓钟,汤皎宁,李均钦,高继华,用有机相还原制备铝纳米颗粒,材料研究学报,19(2),153(2005)) |
| [17] | BAI Fanfei,HE Ping,JIA Zhijie,HUANG Xintang,HE Yun,One step synthesis of monodispersed ZnO nanorods by in-situ reaction,Journal of Materials Science & Engineering,23(5),580(2005)(白凡飞,贺平,贾志杰,黄新堂,何云,原位生成法制备单分散的纳米氧化锌分散液,材料科学与工程学报,23(5),580(2005)) |
| [18] | I.Száraz,W.Forsling,Spectroscopic study of the simultaneous adsorption of PVP and azelaic acid on γ-alumina,Lángmuir.,17(13),3987(2001) |
| [19] | T.Teranishi,M.Miyake,Size control of palladium nanoparticles and their crystal structures,Chem.Mater.,10,594(1998) |
| [20] | C.M.Koo,H.T.Ham,M.H.Choi,S.O.Kim,I.J.Chung,Characteristics of polyvinylpyrrolidone-layered silicate nanocomposites prepared by attrition ball milling,Polymer.,44(3),681(2003) |
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