表面活性剂SPAN80对水热法制备SrTiO3粉体物相、形貌与极性的影响
Influences of Surfactant SPAN80 on Crystal Phase, Morphology and Polarity of SrTiO3 Powders Prepared by Hydrothermal Method
摘 要
以硝酸锶、钛酸四丁酯和氢氧化钾为原料, 采用水热法制备了纳米SrTiO3粉体, 用XRD、SEM、激光粒度分析仪等研究了制备过程中非离子表面活性剂SPAN80含量对纳米SrTiO3粉体物相、形貌、粒径和极性的影响。结果表明: 表面活性剂SPAN80的添加对SrTiO3粉体晶型结构没有影响, 且有效减弱了粉体的团聚;在SPAN80最佳添加量10%(体积分数)的条件下, 制备得到SrTiO3粉体的颗粒尺寸约为39 nm, 并呈球形;极性的SrTiO3粉体被SPAN80包裹后变成了非极性粉体。
表面活性剂
纳米SrTiO3
hydrothermal method
surfactant
nano SrTiO3
Abstract
Using Sr(NO3)2, ［CH3(CH2)3O］4Ti and KOH as raw materials SrTiO3 nano-powders were prepared by hydrothermal method. The effects of surface-active agent content on the crystal phase, morphology, grain size and polarity of the SrTiO3 powders were studied by XRD, SEM, laser particle size analyzer. The result indicate that the addition of surfactant SPAN80 did not affect the crystal structure of SrTiO3 powders and reduced the agglomeration of the powders. the spherical SrTiO3 powders with grain size of 39 nm were prepared on the best addition amount of 10vol.% SPAN80. The polarity of nanometer SrTiO3 powders coated with a layer of SPAN80 changed from polar to non-polar.
中图分类号 O614
所属栏目 材料性能及其应用
基金项目 上海市科委“科技创新行动计划”纳米科技专项项目(12nm050310)
收稿日期 2014/1/12
修改稿日期 2014/10/1
网络出版日期
作者单位点击查看
备注海参威(1989-), 女, 河南周口人, 硕士研究生。
引用该论文: HAI Shen-wei,LI Wen-ge,YAO Wei-hua,ZHANG Ke-min. Influences of Surfactant SPAN80 on Crystal Phase, Morphology and Polarity of SrTiO3 Powders Prepared by Hydrothermal Method[J]. Materials for mechancial engineering, 2014, 38(12): 65～68
海参威,李文戈,尧巍华,张可敏. 表面活性剂SPAN80对水热法制备SrTiO3粉体物相、形貌与极性的影响[J]. 机械工程材料, 2014, 38(12): 65～68
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参考文献
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【3】XIAN T, YANG H, DAI J F, et al. Photocatalytic properties of SrTiO3 nanoparticles prepared by a Polyacrylamide gel route［J］.Materials Letters,2011,65:3254-3257.
【4】ISHIKAWA H, OOHIRA K, NAKAJIMA T, et al. Combustion synthesis of SrTiO3 using different raw materials［J］.Journal of Alloys and Compounds,2008,454:384-388.
【5】LIU X, BAI H. Liquid-solid reaction synthesis of SrTiO3 submicronsized particles［J］.Materials Chemistry and Physics,2011,127:21-23.
【6】LI H L, DU Z N, WANG G L, et al. Low temperature molten salt synthesis of SrTiO3 submicron crystallites and nanocrystals in the eutectic NaCl-KCl［J］.Materials Letters,2010,64:431-434.
【7】RANGEL-HERNANDEZ Y M, RENDO′N-ANGELES J C, MATAMOROS-VELOZA Z, et al. One-step synthesis of fine SrTiO3 particles using SrSO4 ore under alkaline hydrothermal conditions［J］.Chemical Engineering Journal,2009,155:483-492.
【8】KLAYTAET, PANTHONG P, THOUNTOM S. Preparation of nanocrystalline SrTiO3 powder by sol-gel combustion method［J］.Ceramics International,2013,39(S):405-408.
【9】徐保民, 王鸿.低温烧结SrTiO3陶瓷晶界层电容器材料的研究［J］.硅酸盐学报, 1991,19(4): 68-74.
【10】徐庆, 陈文.SrTiO3复合功能陶瓷中烧结助剂的研究［J］.功能材料与器件学报, 1999,5(1):76-80.
【11】方惠会, 王开毅, 薛松.碳酸铵共沉淀法制备高纯超细SrTiO3粉体［J］.功能材料, 2000,31(4):408-409.
【12】方晓明, 陈泽民.一种合成SrTiO3超细粉料的新技术［J］.电子元件与材料, 1996,15(6):54-58.
【13】徐明霞, 郑嘹赢, 孙渭池, 等.无机盐原料溶胶-凝胶工艺合成高纯超细SrTiO3粉体［J］.硅酸盐学报, 2000,28(2):184-186.
【14】罗昆鹏.微波水热合成钛酸钡纳米粉体［D］.西安: 西安科技大学, 2009.
【15】BYRAPPA K, ADSCHIRI T. Hydrothermal technology for nanotechnology［J］.Progress in Crystal Growth and Characterization of Materials, 2007, 53:117-166.
【16】JONES S L, NORMAN J C. Dehydration of hydrous zirconia with methnol［J］.J Am Ceram Soc,1988, 71(4):190-191.
【17】吴建鹏, 曹丽云, 贺海燕, 等.纳米材料的颗粒尺寸分析方法［J］.热加工工艺, 2007,36(12):71-74.
【18】付猛, 岳艳娟, 祝雅娟, 等.水热法制备石墨烯及其表征［J］.机械工程材料,2013,37(6):84-88.
【19】位莉, 苏慧兰, 张荻.纳米结构金属氧化物气敏材料的研究进展［J］.机械工程材料,2013,37(1):5-9.
【20】朱丽慧, 马学鸣.Fe-Ni系纳米材料马氏体相变的研究［J］.机械工程材料,2002,26(12):1-5.
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