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首页> 外文期刊>RSC Advances >Phosphate-assisted one-pot synthesis of zirconium phosphate-containing mesoporous silica with unique photodegradation ability for rhodamine B
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Phosphate-assisted one-pot synthesis of zirconium phosphate-containing mesoporous silica with unique photodegradation ability for rhodamine B

机译：磷酸盐辅助一锅合成含罗丹明B具有独特光降解能力的含磷酸锆的介孔二氧化硅

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摘要

A facile one-pot method for zirconium phosphate-containing mesoporous silica (ZrP-MS) using sodium silicate and zirconium oxychloride was reported under acidic P123 aqueous solution followed by an aid of phosphate. The obtained ZrP-MS material is a new type of mesoporous silica composite, which had a structure similar to SBA-15 but with larger mean pore diameter. Zirconium phosphate was uniformly distributed in the silica, and it was found to be a unique photocatalyst for the degradation of rhodamine B (RhB) by comparison with ZrP-MS, silver-activated ZrP-MS and silver phosphate-mesoporous silica composites on degradation of RhB and methyl orange, in which the reaction kinetics, luminescence properties of the final products of RhB degradation, fluorescence of ZrP-MS-adsorbed RhB, and free radical capture experiment were performed. The formation and photodegradation mechanism of ZrP-MS are discussed.
机译：据报道，在酸性P123水溶液中，然后在磷酸盐的帮助下，使用硅酸钠和氯氧化锆对含磷酸锆的介孔二氧化硅（ZrP-MS）进行了简便的一锅法。所得的ZrP-MS材料是新型的介孔二氧化硅复合材料，其结构与SBA-15相似，但平均孔径较大。磷酸锆均匀地分布在二氧化硅中，与ZrP-MS，银活化的ZrP-MS和磷酸银中孔二氧化硅复合材料相比，它是用于降解若丹明B（RhB）的独特光催化剂。进行了RhB和甲基橙的反应动力学，RhB降解终产物的发光性能，ZrP-MS吸附的RhB的荧光和自由基捕获实验。探讨了ZrP-MS的形成及其光降解机理。

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