以氯化钆( GdCl3)饱和溶液作为钆源,膨胀石墨(EG)为载体,利用化学浸渍法合成了GdCl3为3阶、Gd2O3为4阶的混合结构式GdCl3-Gd2 O3-EG复合材料.通过FESEM、EDS和XRD对产物的形貌、成分和阶结构进行表征,结果表明,当原料mGd2O3/mEG(质量比)较小时,GdCl3 -EG为2、3阶混合结构,随着质量比的增大,插层结构稳定为3阶结构；同时,Gd3+与膨胀石墨中的含氧基团结合生成Gd2O3,Gd2O3进入膨胀石墨层间形成4阶结构的Gd2 O3-EG,其阶结构不随mGd2O3/mEG比值的变化而变化.
参考文献
| [1] | Inagaki M .Application of graphite intercalation compounds[J].Journal of Materials Research,1989,4(06):1560. |
| [2] | Chung D D L .Review Exfoliation of graphite[J].Journal of Materials Science,1987,22:4190-4198. |
| [3] | Kroto H W;Heath J R;OBrien S C et al.C60:Buckminsterfullercne[J].Nature,1985,318:162-163. |
| [4] | Iijima S .Helical microtubules of graphitic carbon[J].Nature,1991,354:56-58. |
| [5] | Novoselov K S;Geim A K;Morozov S V et al.Electric field effect in atomically thin carbon films[J].Science,2004,306:666-669. |
| [6] | Shen W;Wen S;Cao N et al.Expanded graphite-A new kind of biomedical material[J].CARBO,1999,37(03):351-358. |
| [7] | Zheng WG.;Wong SC.;Sue HJ. .Transport behavior of PMMA/expanded graphite nanocomposites[J].Polymer: The International Journal for the Science and Technology of Polymers,2002(25):6767-6773. |
| [8] | Shornikova, ON;Sorokina, NE;Avdeev, VV .The effect of graphite nature on the properties of exfoliated graphite doped with nickel oxide[J].The journal of physics and chemistry of solids,2008(5/6):1168-1170. |
| [9] | Zhang Y;Zhang ZX;Li TB;Liu XG;Xu BS .XPS and XRD study of FeCl3-graphite intercalation compounds prepared by arc discharge in aqueous solution[J].Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy,2008(5):1060-1064. |
| [10] | 邢玉梅,田军,邵鑫,王丽娟.稀土-石墨层间化合物的合成和应用前景[J].稀土,2000(06):52-57. |
| [11] | 刘跃,谢丽英.全球稀土消费现状及前景[J].稀土,2008(04):98-101. |
| [12] | 李咏峰,邝钜炽.稀土的结构特点与4f轨道在成键中的作用[J].稀土,2008(02):100-101. |
| [13] | 徐丽,刘素霞,容建华,刘应亮.Gd3+,Eu3+在介孔Y2O3中的能量传递[J].稀土,2009(01):44-48. |
| [14] | Inagaki, M;Tashiro, R;Washino, Y;Toyoda, M .Exfoliation process of graphite via intercalation compounds with sulfuric acid[J].The journal of physics and chemistry of solids,2004(2/3):133-137. |
| [15] | Dongxing Yang;Aruna Velamakanni;Gulay Bozoklu .Chemical analysis of graphene oxide films after heat and chemical treatments by X-ray photoelectron and Micro-Raman spectroscopy[J].Carbon: An International Journal Sponsored by the American Carbon Society,2009(1):145-152. |
| [16] | 杨建国,吴承佩.膨胀石墨的形貌结构与表面功能基团的XPS研究[J].材料科学与工程学报,2007(02):294-297. |
| [17] | 张瑞军,刘建华,沈万慈.石墨层间化合物阶结构的标定方法[J].炭素,1998(02):5-9. |
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