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高等学校化学研究 ›› 2013, Vol. 29 ›› Issue (5): 841-844.doi: 10.1007/s40242-013-3022-x

• Articles • 上一篇    下一篇

Hydrothermal Synthesis, Characterization and Photoluminescence Properties of GdOHCO3 Rhombic Microcrystals

ZHANG You-jin, XU Zhen-yu, YIN Xiao-bin, HE Hong-mei   

  1. Department of Chemistry, University of Science and Technology of China, Hefei 230026, P. R. China
  • 收稿日期:2013-01-11 修回日期:2013-03-28 出版日期:2013-10-01 发布日期:2013-09-17
  • 通讯作者: ZHANG You-jin E-mail:zyj@ustc.edu.cn

Hydrothermal Synthesis, Characterization and Photoluminescence Properties of GdOHCO3 Rhombic Microcrystals

ZHANG You-jin, XU Zhen-yu, YIN Xiao-bin, HE Hong-mei   

  1. Department of Chemistry, University of Science and Technology of China, Hefei 230026, P. R. China
  • Received:2013-01-11 Revised:2013-03-28 Online:2013-10-01 Published:2013-09-17
  • Contact: ZHANG You-jin E-mail:zyj@ustc.edu.cn

摘要:

GdOHCO3 rhombic microcrystals were synthesized by hydrothermal method with urea used as the precipitator. Experimental parameters, such as the molar ratio of the starting reagents, reaction temperature and reaction time were examined. The as-obtained product was characterized by powder X-ray diffraction(XRD), field-emission scanning electron microscopy(FESEM), X-ray photoelectron spectroscopy(XPS), Fourier transform infrared spectroscopy(FTIR) and spectrofluorometry. The main reactions to form GdOHCO3 were proposed. In addition, the photoluminescence(PL) properties of GdOHCO3 rhombic microcrystals were discussed. The broad band located between 350 nm and 600 nm in the emission spectrum can be attributed to the self-trapped exciton luminescence.

关键词: GdOHCO3, Hydrothermal method, Crystal growth, Rhombic microcrystal, Photoluminescence

Abstract:

GdOHCO3 rhombic microcrystals were synthesized by hydrothermal method with urea used as the precipitator. Experimental parameters, such as the molar ratio of the starting reagents, reaction temperature and reaction time were examined. The as-obtained product was characterized by powder X-ray diffraction(XRD), field-emission scanning electron microscopy(FESEM), X-ray photoelectron spectroscopy(XPS), Fourier transform infrared spectroscopy(FTIR) and spectrofluorometry. The main reactions to form GdOHCO3 were proposed. In addition, the photoluminescence(PL) properties of GdOHCO3 rhombic microcrystals were discussed. The broad band located between 350 nm and 600 nm in the emission spectrum can be attributed to the self-trapped exciton luminescence.

Key words: GdOHCO3, Hydrothermal method, Crystal growth, Rhombic microcrystal, Photoluminescence