Rare earth oxides in zirconium dioxide: How to turn a wide band gap metal oxide into a visible light active photocatalyst

Chiara Gionco; Maria C.Paganini; Elio Giamello; Olga Sacco; Vincenzo Vaiano; Diana Sannino

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Rare earth oxides in zirconium dioxide: How to turn a wide band gap metal oxide into a visible light active photocatalyst

机译：二氧化锆中的稀土氧化物：如何将宽带隙金属氧化物转变为可见光活性光催化剂

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In the present study,we investigated the effect of cerium and erbium doping of the zirconium dioxide matrix.We synthesized doped samples using hydrothermal process.The amounts of dopant used were 0.5％,1％ and 5％ molar (rare earth oxide over zirconium dioxide) respectively.The samples have been studied via X-ray Diffraction measurements for the structural characterization.UV visible diffuse reflectance was used for the optical analysis,Brunauer-Emmett-Teller (BET) model for the measurement of the surface area.Finally the samples have been analysed via electron paramagnetic resonance (EPR) for the electronic characterization.Then we tested the new synthetized materials to determine their photocatalytic activity in the reaction of degradation of methylene blue performed under irradiation by diodes (LEDs) emitting exclusively visible light.

机译：在本研究中，我们研究了铈和z掺杂对二氧化锆基质的影响。我们使用水热法合成了掺杂样品。掺杂剂的用量为0.5％，1％和5％摩尔（稀土氧化物比二氧化锆）通过X射线衍射测量对样品进行结构表征。使用UV可见漫反射率进行光学分析，使用Brunauer-Emmett-Teller（BET）模型测量表面积。已通过电子顺磁共振（EPR）分析了电子表征。然后，我们测试了新合成的材料，以确定其在仅释放可见光的二极管（LED）照射下进行的亚甲基蓝降解反应中的光催化活性。

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《天然气化学（英文版）》 |2017年第2期|270-276|共7页
作者
Chiara Gionco; Maria C.Paganini; Elio Giamello; Olga Sacco; Vincenzo Vaiano; Diana Sannino;
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作者单位

Department of Chemistry, University of Torino,Via Giuria 7, 10125 Torino, Italy;

Department of Chemistry, University of Torino,Via Giuria 7, 10125 Torino, Italy;

Department of Chemistry, University of Torino,Via Giuria 7, 10125 Torino, Italy;

Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo Ⅱ 132, 84084 Fisciano(SA), Italy;

Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo Ⅱ 132, 84084 Fisciano(SA), Italy;

Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo Ⅱ 132, 84084 Fisciano(SA), Italy;

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
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Rare earth oxides in zirconium dioxide: How to turn a wide band gap metal oxide into a visible light active photocatalyst

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