Synthesis of hollow spherical tin phosphides (Sn4P3) and their high adsorptive and electrochemical performance

Publication date: 15 March 2016
Source:Journal of Crystal Growth, Volume 438
Author(s): Shuling Liu, Hongzhe Zhang, Liqiang Xu, Lanbing Ma
Sn4P3 hollow spherical microstructures are successfully synthesized by a facile Solvothermal approach with the help of ethylenediamine tetraacetic acid (EDTA). Further study show that EDTA plays an important role as chelating and capping reagent in the formation of Sn4P3 hollow microspheres at room temperature. The research displays that the as-prepared Sn4P3 catalysts could absorb some typical organic dyes such as Methylene Blue, Safranine T and Methyl Orange, especially the adsorption ratio for some could reach to 99%. Meanwhile, as anode materials for lithium ion batteries, the initial discharge capacity of the as-prepared Sn4P3 hollow microspheres exceed 1478mAhg⁻¹ at 100mAg⁻¹ and it still keeps at 261mAhg⁻¹ after 20 cycles. Even the current density is increased to 500mAg⁻¹, the second discharge capacity still can attain to 689mAhg⁻¹.



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