{"title":"Cu2O/BiOCl半导体膜的合成及其光催化性能","authors":"Cong Wang, Fangfang Zhang, Jiushan Cheng, Yinfang Cui, Sujuan Wu","doi":"10.1109/ICMREE.2013.6893760","DOIUrl":null,"url":null,"abstract":"Cu2O/BiOCl composite films were synthesized by a simple two-step-method: sol-gel dip-coating technique and magnetron sputtering. At first, the BiOCl thin film was prepared on indium tin oxide (ITO) substrate via a simple sol-gel dip-coating technique. Then the Cu2O thin film was fabricated on the surface of the BiOCl thin film by magnetron sputtering. Their photocatalytic activities were evaluated by photocatalytic degradation of Rhodamine B (RhB) under UV and visible light irradiation, respectively. It was found that the photocatalytic activity of the Cu2O/BiOCl composite films was higher than single BiOCl thin film and single Cu2O thin film. The photocatalytic efficiency of the as-synthesized films seems to strongly depend, that is mainly due to both of the Cu2O works as a sensitizer absorbing visible light and the Cu2O/BiOCl hetero-junction promoting the separation rate of photo-generated electron-hole pairs. The mechanism has been discussed on the interparticle charge transfer between two semiconductors while they have the suitable relative band position.","PeriodicalId":6427,"journal":{"name":"2013 International Conference on Materials for Renewable Energy and Environment","volume":"46 1","pages":"662-665"},"PeriodicalIF":0.0000,"publicationDate":"2013-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Synthesis and photocatalytic properties of Cu2O/BiOCl semiconductor films\",\"authors\":\"Cong Wang, Fangfang Zhang, Jiushan Cheng, Yinfang Cui, Sujuan Wu\",\"doi\":\"10.1109/ICMREE.2013.6893760\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Cu2O/BiOCl composite films were synthesized by a simple two-step-method: sol-gel dip-coating technique and magnetron sputtering. At first, the BiOCl thin film was prepared on indium tin oxide (ITO) substrate via a simple sol-gel dip-coating technique. Then the Cu2O thin film was fabricated on the surface of the BiOCl thin film by magnetron sputtering. Their photocatalytic activities were evaluated by photocatalytic degradation of Rhodamine B (RhB) under UV and visible light irradiation, respectively. It was found that the photocatalytic activity of the Cu2O/BiOCl composite films was higher than single BiOCl thin film and single Cu2O thin film. The photocatalytic efficiency of the as-synthesized films seems to strongly depend, that is mainly due to both of the Cu2O works as a sensitizer absorbing visible light and the Cu2O/BiOCl hetero-junction promoting the separation rate of photo-generated electron-hole pairs. The mechanism has been discussed on the interparticle charge transfer between two semiconductors while they have the suitable relative band position.\",\"PeriodicalId\":6427,\"journal\":{\"name\":\"2013 International Conference on Materials for Renewable Energy and Environment\",\"volume\":\"46 1\",\"pages\":\"662-665\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2013-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2013 International Conference on Materials for Renewable Energy and Environment\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICMREE.2013.6893760\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 International Conference on Materials for Renewable Energy and Environment","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICMREE.2013.6893760","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Synthesis and photocatalytic properties of Cu2O/BiOCl semiconductor films
Cu2O/BiOCl composite films were synthesized by a simple two-step-method: sol-gel dip-coating technique and magnetron sputtering. At first, the BiOCl thin film was prepared on indium tin oxide (ITO) substrate via a simple sol-gel dip-coating technique. Then the Cu2O thin film was fabricated on the surface of the BiOCl thin film by magnetron sputtering. Their photocatalytic activities were evaluated by photocatalytic degradation of Rhodamine B (RhB) under UV and visible light irradiation, respectively. It was found that the photocatalytic activity of the Cu2O/BiOCl composite films was higher than single BiOCl thin film and single Cu2O thin film. The photocatalytic efficiency of the as-synthesized films seems to strongly depend, that is mainly due to both of the Cu2O works as a sensitizer absorbing visible light and the Cu2O/BiOCl hetero-junction promoting the separation rate of photo-generated electron-hole pairs. The mechanism has been discussed on the interparticle charge transfer between two semiconductors while they have the suitable relative band position.
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