表面改性纳米SrTiO3粉体的制备
Preparation of Surface Modified SrTiO3 Nanopowder
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SPAN80表面活性剂改性纳米SrTiO3粉体，利用X射线衍射仪、透射电镜、能谱仪、激光粒度仪等分析了粉体的物相组成、形貌和粒径。结果表明：经10%（体积分数）SPAN80表面活性剂改性后，SrTiO3粉体颗粒呈球形，平均粒径小于未改性粉体的，且粒度分布较窄；表面活性剂对粉体的物相组成无影响；当SPAN80表面活性剂的体积分数大于10%时，SrTiO3粉体的粒径又呈增大的变化趋势。
水热法
SPAN80表面活性剂
纳米粉体
SrTiO3
hydrothermal method
SPAN80 surfactant
nanopowder
Abstract
Using strontium nitrate, tetrabutyl titanate and potassium hydroxide as raw materials, SPAN80 surfactant modified SrTiO3 nanopowders were prepared by the hydrothermal method. The phase composition, morphology and particle size of the powder were analyzed by X-ray diffraction, transmission electron microscope, energy disperse spectroscope and laser particle size tester. The results show that after modification with 10vol% SPAN80 surfactant, SrTiO3 powder particles were spherical and the average particle size with a relatively narrow grain-size distribution was lower than that of unmodified powder. The surfactant had no effect on the phase composition of the powder. When the addition of SPAN80 surfactant was higher than 10vol%, the particle size of the SrTiO3 powder showed an increasing trend.
中图分类号 O614 DOI 10.11973/jxgccl201704012
所属栏目 新材料 新工艺
基金项目 上海市科委纳米科技专项项目（12nm050310）
收稿日期 2015/12/10
修改稿日期 2016/4/15
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. Preparation of Surface Modified SrTiO3 Nanopowder[J]. Materials for mechancial engineering, 2017, 41(4): 54～57
海参威,李文戈,尧巍华,张可敏. 表面改性纳米SrTiO3粉体的制备[J]. 机械工程材料, 2017, 41(4): 54～57
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参考文献
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【2】贾德伟, 卢艳丽, 胡婷婷. SrTiO3光催化材料的研究进展[J]. 材料导报, 2014, 28(3): 8-11.
【3】郭月明. 液相法制备钛酸锶钡粉体的研究进展[J]. 材料导报, 2006, 20(s2): 155-157.
【4】舒诗文, 张金花, 杜凯, 等. 钛酸锶基粉体功能材料的合成与应用研究进展[J]. 材料导报, 2012, 26(s1): 87-91.
【5】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(3): 431-434.
【6】LIU X H, BAI H X. Liquid-solid reaction synthesis of SrTiO3 submicron-sized particles[J]. Materials Chemistry and Physics, 2011, 127(1/2): 21-23.
【7】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(21/22): 3254-3257.
【8】KLAYTAE T, PANTHONG P, THOUNTOM S. Preparation of nanocrystalline SrTiO3 powder by sol-gel combustion method[J]. Ceramics International, 2012, 39(s1): 405-408.
【9】GEORGE C N, THOMAS J K, JOSE R, et al. Synthesis and characterization of nanocrystalline strontium titanate through a modified combustion method and its sintering and dielectric properties[J]. Journal of Alloys and Compounds, 2009, 486(1/2): 711-715.
【10】ISHIKAWA H, OOHIRA K, NAKAJIMA T, et al. Combustion synthesis of SrTiO3 using different raw materials[J]. Journal of Alloys and Compounds, 2008, 454(1/2): 384-388.
【11】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(1/2): 483-492.
【12】张士成, 陈炳辰, 韩跃新, 等. 热水溶液中钛酸锶晶粒的结晶过程[J]. 硅酸盐学报, 2001, 29(5): 447-450.
【13】YAN M F, RHODES W W. Preparation and properties of TiO2 varistor[J]. Appl Phys Lett, 1982, 40(6): 536-540.
【14】张士成, 陈炳辰, 韩跃新. 钛酸锶系电子陶瓷的性能与应用研究进展[J]. 矿冶, 2001, 10(1): 63-67.
【15】张玉敏, 刘桂花, 尹周澜. 表面活性剂在干燥中控制粒子团聚的机理[J]. 矿业工程, 2006, 26(6): 65-67.
【16】应皆荣, 万春荣, 姜长印, 等. 聚乙二醇对无机盐的胶束增溶作用及在溶胶配置中的作用[J]. 功能材料, 2001, 32(2): 118-120.
【17】刘剑, 曹瑞军, 郗英欣. 表面活性剂在纳米粉体制备中的应用[J]. 化工新型材料, 2003, 31(7): 37-39.
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【21】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.
【22】徐保民, 王鸿, 殷之文. 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): 354-360.
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