【摘要】 利用沉积法获得了一维Fe₂O₃/α-MoO₃异质结光催化剂,通过XRD、SEM-EDS、STEM、XPS、UV-Vis-DRS等测试手段对其组成、形貌、光吸收性质进行了表征,同时在可见光区测试了光催化氧化降解罗丹明B溶液的性能。测试结果表明,Fe₂O₃修饰一维α-MoO₃纳米带可将其光响应扩展至可见光区域,提高光催化性能。1wt%Fe₂O₃/α-MoO₃异质结作为光催化剂时,光照40 min后罗丹明B降解率可达到99%,分别是纯α-MoO₃纳米带和纯Fe₂O₃的光催化活性的3.8倍和26倍。更多还原

【Abstract】 One Dimension（1D） heterostructure photocatalyst Fe₂O₃/ α-MoO₃ was fabricated by depositional method, which its composition, morphology and photo-adsorption properties of were characterized by XRD、SEM-EDS、STEM、XPS、UV-Vis-DRS,as so as,the performance of photocatalytic degradation Rh B was also explored. The test results show that the Fe₂O₃ modification not only broaden the absorption spectrum of α-MoO₃ nanobelt to the visible light region,but also increase the photocatalytic activity. The optimum photocatalytic activity of MoO₃ at Fe₂O₃weight content of 1% could reach 99%after visible light irradiation 40 minutes,which is almost 3. 8 and 26 times as high as that of the pure MoO₃ nanobelts and Fe2O₃.更多还原