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| 层状化合物K_(0.81)Li_(0.27)Ti1.73O_4的合成 | |
| 引用本文： | 邹永存,付爽,郭阳虹,徐跃华,徐家宁,王春艳,齐红.层状化合物K_(0.81)Li_(0.27)Ti1.73O_4的合成[J].吉林大学学报(理学版),2010,48(1). |
| 作者姓名： | 邹永存 付爽 郭阳虹 徐跃华 徐家宁 王春艳 齐红 |
| 作者单位： | 1. 吉林大学,化学学院,长春,130012 2. 吉林大学,公共卫生学院,长春,130021 3. 吉林省肿瘤医院研究所,长春,130012 |
| 基金项目： | 国家自然科学基金(批准号:20871053) |
| 摘 要： | 研究以K2CO3,Li2CO3和TiO2为反应原料合成层状钛酸盐K0.81Li0.27Ti1.73O4过程中合成条件对产物的影响.结果表明:反应温度在1000～1200℃,反应原料配比为n(K2CO3):n(Li2CO3):n(TiO2)=(0.405～0.42):(0.135～0.165):1.73时,均可以得到产物K0.81Li0.27Ti1.73O4,延长反应时间及升高反应温度均有利于产物的生成;在1200℃高温条件下,使用刚玉坩埚为反应容器时,最佳的反应条件是:反应温度为1100℃,反应原料配比为n(K2CO3):n(Li2CO3):n(TiO2)=0.405:0.135:1.73,反应24h. |
| 关 键 词： | 层状钛酸盐 K0.81Li0.27Ti1.73O4 纤铁矿型钛酸盐 高温固相反应 |
Synthesis of Layered K_(0.81) Li_(0.27) Ti1.73 O_4 |
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| ZOU Yong-cun,FU Shuang,GUO Yang-hong,XU Yue-hua,XU Jia-ning,WANG Chun-yan,QI Hong.Synthesis of Layered K_(0.81) Li_(0.27) Ti1.73 O_4[J].Journal of Jilin University: Sci Ed,2010,48(1). | |
| Authors: | ZOU Yong-cun FU Shuang GUO Yang-hong XU Yue-hua XU Jia-ning WANG Chun-yan QI Hong |
| Institution: | 1.College of Chemistry;Jilin University;Changchun 130012;China;2.School of Public Health;Changchun 130021;3.Jilin Provincial Tumor Institute;China |
| Abstract: | The synthesis of layered K_(0.81)Li_(0.27)Ti_(1.73)O_4 from K_2CO_3,Li_2CO_3 and TiO_2 was studied. The results show that the layered K_(0.81)Li_(0.27)Ti_(1.73)O_4 could be synthesized from starting materials at a mixing ratio of n(K_2CO_3):n(Li_2CO_3):n(TiO_2)=(0.405～0.42):(0.135～0.165):1.73 at a reation temperature between 1 000 ℃ and 1 200 ℃, and longer reaction time and higher reaction temperature favour the formation of the product. At 1 200 ℃, Al_2O_3 which is the component of corundum crucible would react with the reagents to form K_(1.5)Al_(1.5)Ti_(6.5)O_(16)impurity. So when the corundum crucible is used as the reaction container, the optimization reaction conditions are the reaction temperature is 1 100 ℃, the ratio of starting materials is n(K_2CO_3):n(Li_2CO_3):n(TiO_2)=0.405:0.135:1.73, and the reaction time is 24 h. |
| Keywords: | layered titanate K0 81 Li0 27 Ti1 73 O4 lepidocrocite-like titanate high temperature solid state reaction |
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