[1]张新星,尤金发,陈晓虎.溶胶-凝胶法制备二钛酸钡粉体[J].华侨大学学报(自然科学版),2011,32(5):543-545.[doi:10.11830/ISSN.1000-5013.2011.05.0543]
　ZHANG Xin-xing,YOU Jin-fa,CHEN Xiao-hu.Sol-Gel Synthesis of BaTi2O5 Powders[J].Journal of Huaqiao University(Natural Science),2011,32(5):543-545.[doi:10.11830/ISSN.1000-5013.2011.05.0543]
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溶胶-凝胶法制备二钛酸钡粉体()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第32卷
期数:
2011年第5期
页码:
543-545
栏目:
出版日期:
2011-09-20

文章信息/Info

Title:
Sol-Gel Synthesis of BaTi2O5 Powders
文章编号:
1000-5013(2011)05-0543-03
作者:
张新星; 尤金发; 陈晓虎
华侨大学材料科学与工程学院
Author(s):
ZHANG Xin-xing;  YOU Jin-fa;  CHEN Xiao-hu
College of Material Science and Engineering, Huaqiao University, Quanzhou 362021, China
关键词:
二钛酸钡;  溶胶-凝胶法;  粉体;  烧结
Keywords:
BaTi2O5;  sol-gel method;  powders;  calcination
分类号:
TB383.1
DOI:
10.11830/ISSN.1000-5013.2011.05.0543
文献标志码:
A
摘要:
以钛酸丁酯和乙酸钡为前躯体原料,乙二醇甲醚和质量分数36%的乙酸为溶剂,冰醋酸为稳定剂,通过溶胶-凝胶法合成二钛酸钡(BaTi2O5)粉体.制备凝胶的最佳工艺条件:混合溶液的pH=4,n(Ba(Ac)2)∶n(Ti(OC4H9)4)∶n(CH3COOH)∶n(MOE)=1.00∶2.00∶7.97∶21.17,保温凝胶化温度为100℃.经X射线衍射(XRD)、热重/差热(TG-DTA)综合热分析表明:在最佳工艺条件下,当烧结温度为700℃,保温时间为2 h时,所合成单晶BaTi2O5粉体能稳定存在到1 200℃.
Abstract:
BaTi2O5 powder was synthesized by a sol-gel method using tetrabutyl titanate and barium acetate as precursor materials by using 36% acetic acid and ethylene glycol monomethyl ether as solvent,glacial acetic acid as stabilizing agent.The optimal technologcial conditions for producing gel have been obtained as follows: pH=4 mixture solution,n(Ba(Ac)2)∶n(Ti(OC4H9)4)∶n(CH3COOH)∶n(MOE)=1.00∶2.00∶7.97∶21.17,gel-temperature 100 ℃.X-ray diffraction(XRD),thermogravimetric /differential thermal analysis(TG-DTA) showed: at optimum technologcial conditions,single-phase BaTi2O5 can be stable at 1 200 ℃ as the precursors were heated at 700 ℃ for 2 h.

参考文献/References:

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备注/Memo

备注/Memo:
福建省自然科学基金资助项目(E0310021)
更新日期/Last Update: 2014-03-23