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p-block metal composite oxides Sr1.36Sb2O6 and Sr2Sb2O7 synthesized by a hydrothermal method as photocatalysts in the degradation of tetracycline hydrochloride under UV light irradiation have been extensively studied.The effects of synthesis conditions on the photocatalytic activity were discussed.The Sr1.36Sb2O6-100°C-24 h-5 and Sr2Sb2O7-150℃-24 h-2 samples prepared under optimal conditions exhibited remarkably different photocatalytic activities.The essential factors influencing the difference of photocatalytic performance were revealed.The results showed that the different photocatalytic activities observed for Sr1.36Sb2O6and Sr2Sb2O7 could be attributed to their different electronic and crystal structures.Our work will provide a new perspective for the screening and design of p-block metal composite oxide photocatalysts to enhance the removal of organic pollutants in the environment. 相似文献
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