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Bi2Ti2O7薄膜的自组装法制备及表征
引用本文:夏傲,黄剑锋,谈国强,尹君. Bi2Ti2O7薄膜的自组装法制备及表征[J]. 无机化学学报, 2013, 29(18)
作者姓名:夏傲  黄剑锋  谈国强  尹君
作者单位:陕西科技大学教育部轻化工助剂化学与技术重点实验室, 西安 710021;陕西科技大学教育部轻化工助剂化学与技术重点实验室, 西安 710021;陕西科技大学教育部轻化工助剂化学与技术重点实验室, 西安 710021;陕西科技大学教育部轻化工助剂化学与技术重点实验室, 西安 710021
基金项目:国家青年科学基金(No.51002092);陕西省自然科学基金(No.2010JM6013)资助项目。
摘    要:以Bi(NO3)3·5H2O和Ti(OC4H9)4为原料,采用自组装单层膜技术,在负载有功能化三氯十八烷基硅烷(octadecyl-trichloro-silane,OTS)的FTO基板上制备了Bi2Ti2O7 薄膜。基板表面的亲水性测试表明,紫外照射使OTS自组装单层膜表面由疏水转变为亲水,实现功能化。借助X射线衍射(XRD)、X射线能量色散谱(EDS)、扫描电子显微镜(SEM)和原子力显微镜(AFM)分析分别对Bi2Ti2O7薄膜的组成、结构和微观形貌进行了表征。结果表明,沉积溶液浓度为0.02 mol·L-1时,所得Bi2Ti2O7薄膜均匀致密。560 ℃热处理1 h、厚度为0.4 μm的Bi2Ti2O7薄膜在100 kHz的介电常数为153,介电损耗为0.089。

关 键 词:Bi2Ti2O7  薄膜  自组装单层膜  介电性能

Preparation and Characterization of Bi2Ti2O7 Thin Films from Self-Assembled Monolayer Technique
XIA Ao,HUANG Jian-Feng,TAN Guo-Qiang and YIN Jun. Preparation and Characterization of Bi2Ti2O7 Thin Films from Self-Assembled Monolayer Technique[J]. Chinese Journal of Inorganic Chemistry, 2013, 29(18)
Authors:XIA Ao  HUANG Jian-Feng  TAN Guo-Qiang  YIN Jun
Affiliation:Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education of China, Shaanxi University of Science and Technology, Weiyang District, Xi'an 710021, China;Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education of China, Shaanxi University of Science and Technology, Weiyang District, Xi'an 710021, China;Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education of China, Shaanxi University of Science and Technology, Weiyang District, Xi'an 710021, China;Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education of China, Shaanxi University of Science and Technology, Weiyang District, Xi'an 710021, China
Abstract:
Keywords:Bi2Ti2O7  thin film  self-assembled monolayer film  dielectric properties
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