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TiO₂、ZnO和CdS的光催化甲基橙脱色比较

Comparison of the photocatalysis methylorange decolourization of TiO₂, ZnO and CdS

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【Author】 WANG Bo yong 1,WEI Feng hua 1,LIU Ya lin 3,CUI Gao feng 1,DU Gao ying 1, WANG Qing 1,WANG Ya juan 2,MAI Guang xin 2 (1.Shandong Analysis and Test Centre,Jinan 250014,China; 2.Shangdong Education University,Jinan 250014,China; 3.Jinan

【机构】山东省分析测试中心；济南市环境保护监测站；山东省教育学院；山东省教育学院山东济南250014；山东济南250014；山东济南250013；山东济?；

【摘要】以甲基橙作为脱色对象 ,对二氧化钛、氧化锌和硫化镉的光催化现象进行了对比研究 ,发现他们都具有明显的光催化脱色效果 ,其中硫化镉的脱色效果最好。掺杂银后 ,各种光催化剂的脱色效果又都有明显的提高。此外还对氧化锌的寿命进行了测试更多还原

【Abstract】 A comparison of the photocatalyses of TiO 2, ZnO and CdS with methylorange is carried out in laboratory level. It is found that they all have obvious photocatalysis decolourization effect, and CdS is the best one. After intermixing with silver,the decolourization effect of various photocatalysis have all been improved a lot. A life span test is also given.更多还原