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Citation: HONG Guang-Yan, ZHANG Ji-Lin, GAO Qian. Synthesis of EuF₃ Nanowires in Soybean Lecithin[J]. Acta Physico-Chimica Sinica, ;2010, 26(03): 695-700. doi: 10.3866/PKU.WHXB20100312 shu

Synthesis of EuF₃ Nanowires in Soybean Lecithin

1.
State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China

Received Date: 31 July 2009
Available Online: 20 January 2010

The precursor was prepared in two steps: the soybean lecithin latex containing Eu3+ ions was prepared first using a EuCl3 solution. The vesicles formed spontaneously in the soybean lecithin aqueous solution and were used as a template. The precursor was then obtained by precipitating Eu3+ ions with NH4F in the vesicle system that was formed by soybean lecithin. EuF3 nanowires with diameters of about 10-20 nm were obtained from the precursor that was annealed at 600 ℃. The formation of the EuF3 nanowires is discussed considering a comparative analysis by fluorescence spectra, Fourier transforminfrared (FTIR) spectra, thermal gravimetric analysis-differential thermal analysis (TGA-DTA), and transmission electron microscopy (TEM) of the products from each stage. Results show that the Eu—O—P bond is formed by the coordination of Eu3+ ions and the nanowires are multi-crystalline phase EuF3.
- Eu3+ ion,
- Soybean lecithin,
- EuF3 nanowires
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沈阳化工大学材料科学与工程学院沈阳 110142

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Synthesis of EuF3 Nanowires in Soybean Lecithin

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通讯作者: 陈斌, bchen63@163.com

Synthesis of EuF₃ Nanowires in Soybean Lecithin