以钛酸四丁酯为钛源,醋酸钡为钡源,采用改进的水热法(即溶剂热法)在低温条件下合成钙钛矿结构的超细钛酸钡纳米颗粒,重点研究表面活性剂对产物的影响,探讨了不同表面活性剂影响产物形貌和种类的作用机理.通过扫描电子显微镜(SEM)、X射线衍射(XRD)及能谱(EDS)对产物进行表征,结果表明加入不同的表面活性剂时,制备的产物不同,其产物的形貌分别为超细纳米线、纳米棒(直径约几十纳米)和纳米颗粒(尺寸约50～100nm).通过调节反应过程中的表面活性剂,可以实现从线状钡的硫酸盐到纯相的超细钛酸钡纳米颗粒的转变.此方法为尺寸小于20nm的钛酸钡颗粒的制备及铁电材料尺寸限制效应的研究提供了重要参考.
参考文献
| [1] | Kim Y;Jung J K;Ryu K S .Structural study of nano BaTiO3 powder by Rietveld refinement[J].Materials Research Bulletin,2004,39(07):1045. |
| [2] | Jona F;Shirine G.Ferroelectric crystals[M].UK:PergamonPress,1962:108. |
| [3] | Moulson A J.Electroceramics:Materials,properties and applications[M].London:John Wiley & Sons,2003 |
| [4] | Phule P P;Risbud S H .Low-temperature synthesis and processing of electric materials in the BaO-TiO2 system[J].J Mater Sci B,1990,25(02):1169. |
| [5] | Oledzka M;Brese N E;Riman R E .Hydrothermal synthesis of BaTiO3 on a titanium-loaded polymer support[J].CHEMISTRY OF MATERIALS,1999,11(07):1931. |
| [6] | Feigner K H;Muller T;Lammer H T .On the formation of BaTiO3 from BaCO3 and TiO2 by microwave and conventional heating[J].Materials Letters,2004,58(10):1943. |
| [7] | 陈妍妍,张云,王晓燕.化学沉淀法制备BaTiO3纳米粉体的研究[J].化学学报,2010(23):2409-2413. |
| [8] | Kavian R;Saidi A .Sol-gel derived BaTiO3 nanopowders[J].Journal of Alloys and Compounds,2009,468(01):528. |
| [9] | Lihong Xue;Youwei Yan .Controlling the Morphology of Nanostructured Barium Titanate by Hydrothermal Method[J].Journal of nanoscience and nanotechnology,2010(2):973-979. |
| [10] | Palehik O .et ak Microwave assisted preparation of binary oxide nanoparticle[J].Journal of Materials Chemistry,2000,10(05):1251. |
| [11] | Dawber M;Rabe KM;Scott JF .Physics of thin-film ferroelectric oxides[J].Reviews of Modern Physics,2005(4):1083-1130. |
| [12] | Stephen O'Brien;Louis Brus;Christopher B.Murray .Synthesis of monodisperse nanoparticles of barium titanate: toward a generalized strategy of oxide nanoparticle synthesis[J].Journal of the American Chemical Society,2001(48):12085-12086. |
| [13] | Urban J J;Yun W S;Gu Q .Synthesis of single-crystalline perovskite nanorods composed of barium titanate and strontium titanate[J].Journal of the American Chemical Society,2002,124(07):1186. |
| [14] | Urban J J;Spansier J E;Lian O Y .Single-crystalline barium titanate nanowires[J].Advanced Materials,2003,15(05):423. |
| [15] | 高远浩,牛和林,陈乾旺.BaCO3单晶纳米线的制备和表征[J].无机化学学报,2003(01):37-40. |
| [16] | Xun Wang;Jing Zhuang;Qing Peng;Yadong Li .A general strategy for nanocrystal synthesis[J].Nature,2005(7055):121-124. |
| [17] | 刘岗,严岩,王峰,彭万军,陈维,陈寿田.电子陶瓷用钛酸钡粉体制备方法研究进展[J].绝缘材料,2006(01):56-58,63. |
| [18] | 崔斌,王训,李亚栋.单分散钛酸钡纳米晶的制备[J].高等学校化学学报,2007(01):1-5. |
| [19] | Xun Wang;Jing Zhuang;Qing Peng;Yadong Li .Liquid-Solid-Solution Synthesis of Biomedical Hydroxyapatite Nanorods[J].Advanced Materials,2006(15):2031-2034. |
| [20] | 阳鹏飞,颜雪明,刘传湘.表面活性剂在合成纳米钛酸钡粉体中的应用[J].南华大学学报（自然科学版）,2006(01):104-107. |
| [21] | 展红金,江向平,陈超,李小红,朱棉霞,李月明.四方相钛酸钡纳米枝晶阵列的水热合成[J].无机化学学报,2011(10):1938-1944. |
| [22] | Asiaie R;Zhu W;Akbar S A .Characterization of submicron particles of BaTiO3[J].CHEMISTRY OF MATERIALS,1996,8(01):226. |
| [23] | Maxim F;Ferreira P;Vilarinho PM;Reaney I .Hydrothermal synthesis and crystal growth studies of BaTiO3 using Ti nanotube precursors[J].Crystal growth & design,2008(9):3309-3315. |
| [24] | 陈友存,张元广.表面活性剂辅助合成CdWO4纳米棒和纳米线[J].化学学报,2006(13):1314-1318. |
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%