[1]王超,侯育冬,吴宁宁,等.新型溶胶-凝胶法制备铌酸锂钠钾纳米粉体[J].郑州大学学报(工学版),2009,30(01):75-77,81.
　WANG Chao,HOU Yudong,WU Ningning,et al.Preparation of Lithium Niobate Sodium Potassium Nanopowder by Novel Sol-gel Method[J].Journal of Zhengzhou University (Engineering Science),2009,30(01):75-77,81.
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新型溶胶-凝胶法制备铌酸锂钠钾纳米粉体()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
30
期数:
2009年01期
页码:
75-77,81
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Preparation of Lithium Niobate Sodium Potassium Nanopowder by Novel Sol-gel Method
作者:
王超; 侯育冬; 吴宁宁; 等.
北京工业大学,功能材料教育部重点实验室,北京,100124, 北京工业大学,功能材料教育部重点实验室,北京,100124, 北京工业大学,功能材料教育部重点实验室,北京,100124, 北京工业大学,功能材料教育部重点实验室,北京,100124, 北京工业大学,功能材料教育部重点实验室,北京,100124
Author(s):
WANG Chao; HOU Yudong; WU Ningning; etc
Key Laboratory of Advanced Functional Materials of China Education Ministry，Beijing University of Technology，Beijing100124，China
关键词:
(Li0.06Na0.47K0.47)NbO3;  溶胶-凝胶法;  可溶性铌;  纳米粉体
Keywords:
Li0.06Na0.47K0.47)NbO3;  Sol-gel method;  soluble niobium;  Nano powder
文献标志码:
A
摘要:
用络合法将Nb2O5 转化成可溶性的铌盐来代替价格昂贵的乙醇铌作为铌源,采用溶胶-凝胶法,合成了纳米 (Li0.06Na0.47K0.47)NbO3超细粉体.通过XRD、Raman和TEM等技术手段对 (Li0.06Na0.47K0.47)NbO3纳米粉体的相结构和微观形貌进行了表征.结果表明,干凝胶在500 ℃煅烧5 h可制得平均晶粒尺寸为20 nm,纯四方相结构的(Li0.06Na0.47K0.47)NbO3纳米粉体,该合成温度比传统固相法降低了350 ℃以上.
Abstract:
Nb2O5 was converted into soluble niobium salt instead of expensive ethanol niobium as the source of niobium, and nano(Li0.06Na0.47K0.47)NbO3 ultrafine powder was synthesized by sol-gel method. The phase structure and micromorphology of (Li0.06Na0.47K0.47)NbO3 nanopowders were characterized by XRD, Raman and TEM. The results show that a (Li500.5Na20.0K06.0)NbO47 nanopowder with an average grain size of 0 nm and a pure tetragonal structure can be prepared by calcination of the dry gel at 47 °C for 3 h, and the synthesis temperature is reduced by more than 350 °C compared with the traditional solid phase method.

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更新日期/Last Update: 1900-01-01