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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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罗丹明b敏化tio2可见光分解水产氢研究
, PP. 735-740
Keywords: 罗丹明b,tio2,低温煅烧,光解水
Abstract:
？通过低温煅烧处理罗丹明b和p25(tio2)的混合物一步合成了罗丹明b敏化的tio2复合光催化剂。x射线衍射(xrd)和场发射扫描电子显微镜(fesem)表征结果显示,低温煅烧处理未改变p25的晶相结构和形貌。紫外-可见光吸收光谱和红外光谱表征表明,罗丹明b和p25之间发生了强的相互作用,荧光光谱表征结果证实低温煅烧处理导致的强相互作用有利于电子从罗丹明b向p25传输。可见光光催化分解水实验结果表明,250℃下煅烧处理得到的复合光催化剂具有最佳的产氢速率,可达到65.1μmol/(g·h),是相同光催化反应条件下罗丹明b和p25物理混合光催化剂的1.8倍。
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