Hydrothermal Synthesis and Characterization of Flowerlike YBO3: Eu3+

作者：Chen Ji Tao^*; Gu Feng; Jiang Hao; Shao Wei; Li Chun Zhong

来源：Journal of Inorganic Materials, 2009, 24(5): 1064-1068.

DOI：10.3724/SP.J.1077.2009.01064

• hydrothermal synthesis
• YBO3:Eu3+
• photoluminescence
• flower-like structure

YBO3 : Eu3+ microspheres with flower-like structures were fabricated by a facile hydrothermal method. The composition, structure and morphology of obtained YBO3 : Eu3+ were studied by means of XRD, EDX, HRTEM and SEM. The as-prepared YBO3: Eu3+ microspberes show hexagonal vaterite phase with the elements of Y, O, B, Eu to be found. The YBO3 microspheres, with an average diameter of 1-2 mu m, are composed of nanosheets with thickness of 100nm. The formation mechanism of the flower-like structures is also proposed. The YBO3 : Eu3+ samples have a strong red emission at 612nm and a high R/O ratio under ultraviolet excitation, which indicate lower symmetry of crystal field around Eu3+ in such flower-like structures.

• 出版日期2009-9
• 单位华东理工大学