Ce掺杂与结构优化策略提高ZnO光催化性能
Enhanced Photocatalytic Activity of Ce Doped ZnO Nanoflower with Optimized Structure
DOI: 10.12677/JAPC.2020.91001, PDF,  被引量    科研立项经费支持
作者: 方 静, 竹秋妮, 张 帅, 武 军*：嘉兴学院南湖学院，浙江 嘉兴
关键词: ZnO纳米花；稀土元素Ce；掺杂；光催化；ZnO Nanoflower； Rare Earth Element Ce； Doping； Photocatalysis
摘要: 采用简单的温和水热法制备了具备特殊形貌的ZnO纳米花材料，并对其进行了稀土Ce掺杂，利用SEM、XRD、EDX、N2吸附–脱附、紫外可见分光光度法等手段对催化剂进行了表征，并研究了其对罗丹明B光催化降解的动力学性能和机理。结果表明，ZnO纳米花催化反应速率是普通ZnO纳米结构的2.6倍，掺杂了2%的Ce-ZnO催化反应速率比掺杂前又提高了1.6倍，说明催化剂结构优化和稀土元素掺杂的功能修饰策略可有效提高ZnO的光催化活性。
Abstract: A ZnO nanoflower with special morphology was prepared by a simple mild hydrothermal method and further Ce-doped. The catalysts were characterized by SEM, XRD, EDX, N2 adsorption-desorption, UV-vis, and their kinetic properties and mechanism of photocatalytic degradation of rhodamine B were studied. The results show that the catalytic rate of ZnO nanoflowers is 2.6 times that of ordinary ZnO nanostructures, moreover the rate of 2% Ce-ZnO is 1.6 times higher than that before doping. The structure optimization and rare earth element-doped strategies can effectively improve the photocatalytic activity of ZnO.
文章引用：方静, 竹秋妮, 张帅, 武军. Ce掺杂与结构优化策略提高ZnO光催化性能[J]. 物理化学进展, 2020, 9(1): 1-11. https://doi.org/10.12677/JAPC.2020.91001

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