A novel ZrHIO6 center dot 4H(2)O catalyst for degradation of organic dyes at room temperature

作者：Li, Jiayin; Ma, Xinping; Qian, Meifan; Liu, Haoran; Liu, Qiying; Zhao, Caixian; Tian, Li; Chen, Lijuan; Tang, Jianting^*

来源：Functional Materials Letters, 2017, 10(5): 1750055.

DOI：10.1142/S1793604717500552

• ZrHIO6 center dot 4H(2)O
• catalyst
• dye
• degradation
• room temperature

It is interesting to obtain catalysts to degrade organic dye pollutants at room temperature for simultaneous purposes of environmenttreating and energy-saving. In this work, a novel ZrHIO6 center dot 4H(2)O catalyst was synthesized by reacting ZrO(NO3)(2) with H5IO6 in aqueous nitric acid. The catalyst was found effective in degradation of rhodamine B (RhB) or methylene blue (MB) dyes at room temperature without light illumination. We used the ultraviolet-visible (UV-Vis) absorption spectra of dye solution as well as X-ray photoelectron spectroscopy (XPS) of ZrHIO6 center dot 4H(2)O to confirm that the dye degradation was due to its catalytic role. Importantly, the ZrHIO6 center dot 4H(2)O catalyst can be recycled five times without obvious activity loss and it achieved higher mineralization efficiency than the previously reported analogue in the degradation experiments.

• 出版日期2017-10
• 单位中国科学院; 湖南科技大学; 湘潭大学