|
|||||
|
|
| BaTiO3铁电薄膜的光致发光研究 | |
| 引用本文： | 彭静,付勇华,徐智谋,欧阳逸冰,陈志伟,王双保,陈存华.BaTiO3铁电薄膜的光致发光研究[J].功能材料,2009,40(10). |
| 作者姓名： | 彭静 付勇华 徐智谋 欧阳逸冰 陈志伟 王双保 陈存华 |
| 作者单位： | 1. 武汉科技大学,理学院,湖北,武汉,430081;武汉大学,物理科学与技术学院,湖北,武汉,430072 2. 武汉光电国家实验室(筹)湖北,武汉,430074;华中科技大学,光电子科学与工程学院,湖北,武汉430074 3. 华中师范大学,化学学院,湖北,武汉,430079 |
| 基金项目： | 国家自然科学基金资助项目(60607006); 教育部留学回国基金资助项目(校20081667); 湖北省自然科学基金资助项目(2007ABA058) |
| 摘 要： | 以分析纯的乙酸钡和钛酸正四丁酯为前躯体溶液,冰乙酸为溶剂,乙酰丙酮为稳定剂,采用溶胶-凝胶法在硅基上制备了钛酸钡(BaTiO3)铁电薄膜.研究了BaTiO3铁电薄膜的光致发光性能.结果表明,室温下非晶态的BaTiO3铁电薄膜在蓝光激发下具有很强的光致发光现象.其中,经8h 673K退火处理的非晶BaTiO3铁电薄膜的光致发光性能最佳,当455nm光激发时,非晶薄膜在540～660nm内发出强烈的黄光,峰值波长为580～610nm,峰宽约30nm,发光强度随薄膜的厚度增加而增强.晶态BaTiO3铁电薄膜无任何发光现象. |
| 关 键 词： | BaTiO3 铁电薄膜 光致发光 |
Study on the photoluminescence of BaTiO_3 ferroelectric film |
|
| PENG Jing,FU Yong-hua,XU Zhi-mou,OUYANG Yi-bing,CHEN Zhi-wei,WANG Shuang-bao,CHEN Cun-hua.Study on the photoluminescence of BaTiO_3 ferroelectric film[J].Journal of Functional Materials,2009,40(10). | |
| Authors: | PENG Jing FU Yong-hua XU Zhi-mou OUYANG Yi-bing CHEN Zhi-wei WANG Shuang-bao CHEN Cun-hua |
| Affiliation: | PENG Jing1,4,FU Yong-hua2,3,XU Zhi-mou2,OUYANG Yi-bing2,CHEN Zhi-wei2,WANG Shuang-bao2,CHEN Cun-hua5(1.College of Sciences,Wuhan University of Science and Technology,Wuhan 430081,China,2.Wuhan National Laboratory for Optoelectronics,Wuhan 430074,3.College of Optoelectronic Science and Engineering,Huazhong University of Science and TechnologyWuhan 430074,4.Physical Science and Technology Institute,Wuhan University,Wuhan 430072,5.School of Chemistry,Central China Normal University,Wu... |
| Abstract: | BaTiO_3 ferroelectric film was prepared on Si substrate by sol-gel method using barium acetate and tetrabutyl titanate as precursor,glacial acetic acid as solvent,and acetylacetone as stabilizer.The photoluminescence PL of BaTiO_3 ferroelectric film was studied.The results showed that intense photo-luminescence in amorphous BaTiO_3 ferroelectric film excited by blue light was observed at room temperature.The film annealed at 673K for 8 hours has the best PL property.The emission band is from 540-660nm in th... |
| Keywords: | BaTiO_3 ferroelectric film photoluminescence |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |