Facile synthesis and luminescence properties of europium(III)-doped silica nanotubes
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- 作者：Fei Gao (1) (2)
Ye Sheng (1)
Yanhua Song (1)
Keyan Zheng (1)
Chunming Lin (1)
Hui Zhang (1)
Qisheng Huo (3)
Haifeng Zou (1) - 关键词：Tartaric acid ; Template ; Europium ; Eu3+ ; doped silica nanotubes ; Sol–gel ; Photoluminescence
- 刊名：Journal of Sol-Gel Science and Technology
- 出版年：2014
- 出版时间：August 2014
- 年：2014
- 卷：71
- 期：2
- 页码：313-323
- 全文大小：2,857 KB
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Ye Sheng (1)
Yanhua Song (1)
Keyan Zheng (1)
Chunming Lin (1)
Hui Zhang (1)
Qisheng Huo (3)
Haifeng Zou (1)
1. College of Chemistry, Jilin University, Changchun, 130012, People’s Republic of China
2. Chemistry and Chemical Engineering College, Inner Mongolia University for the Nationalities, Tongliao, 028000, People’s Republic of China
3. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, People’s Republic of China - ISSN：1573-4846
文摘
Photoluminescent nanomaterials had emerged as an amazing field in a wide range of applications during the past few decades. In this article, fibrous europium tartrates and photoluminescent silica nanotubes were conveniently synthesized by using sol–gel method, in which europium ions entered silica matrix. Scanning electron microscopy, transmission electron microscopy, X-ray diffraction analysis, fourier transform infrared spectra, energy-dispersive X-ray spectroscopy and photoluminescence (PL) spectra analysis were used to characterize the growth, structure, morphology and optical property of the products. The results indicated that europium tartrates nanofibers as a template can transform tetraethylorthosilicate into silica nanotubes effectively. Meanwhile, europium(III) was transferred from the fibers to the tubes successfully. A hard template mechanism was proposed to explain the formation process of europium(III)-doped silica nanotubes. Moreover, different morphologies of silica-based nanomaterials were obtained due to varying NH4OH addition or stirring time. PL spectra from nanofiber and nanotube show a typical emission of europium(III), and 13?% is the quenching concentration of europium(III) in silica matrix for this system. The novel silica nanotubes can be applied potentially in optical and biological areas.