首页> 中文期刊> 《化学研究与应用》 >瓜环和金属改性的硫化镉光催化性质

瓜环和金属改性的硫化镉光催化性质

         

摘要

以硫代乙酰胺为硫源, 氯化镉为镉源, 超声法制备银、钴离子掺杂的六元瓜环-硫化镉复合物.采用X射线粉末衍射、傅里叶变换红外光谱和扫描电子显微镜对催化剂结构和形貌进行表征, 并进行催化降解染料的测试, 考察Q[6]和金属离子对催化剂催化性能的影响.结果表明:采用瓜环复合和适量金属掺杂能使硫化镉可见光催化降解亚甲基蓝的性能显著提高约20%, 且以瓜环对硫化镉协同增效作用为主.%Cucurbit[6]uril-cadmium sulfide compounds doped with silver and cobalt ions were prepared by ultrasonic method by using thioacetamide as sulfur source and cadmium chloride as cadmium source.The structure and morphology of catalysts were characterized by X-ray powder diffraction, Fourier transform infrared spectroscopy and scanning electron microscopy, and the effects of Q[6]and metal ions on the catalytic performance of the catalysts were investigated.The result showed that the performance of cadmium sulfide visible photocatalytic degradation of methylene blue was significantly improved by the combination of cucurbit[6]uril and appropriate amount of metal doping, and the synergistic effect of cucurbit[6]uril on cadmium sulfide was mainly increased by 20%.

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