| Nb_2O_5/CdS纳米粒子的制备及其光催化性能研究 |
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| 引用本文： | 黄正喜,龙剑英,吴腊梅,刘献平. Nb_2O_5/CdS纳米粒子的制备及其光催化性能研究[J]. 中南民族大学学报(自然科学版), 2014, 0(4): 26-30 |
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| 作者姓名： | 黄正喜 龙剑英 吴腊梅 刘献平 |
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| 作者单位： | 中南民族大学 化学与材料科学学院，武汉430074 |
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| 基金项目： | 国家民委科研基金资助项目(09ZN02) |
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| 摘 要： | 通过简单的沉淀法合成了Nb2O5/Cd S纳米粒子,利用XRD、TEM、XPS对其进行了表征,采用制备的Nb2O5/Cd S纳米粒子在可见光照射下对罗丹明B进行了降解实验.结果表明:负载在Nb2O5表面上的Cd S粒径大小较均一,约为35 nm,在可见光照射下,Cd S质量比为20%的Nb2O5/Cd S纳米粒子光催化活性最佳,可见光照射下3 h对罗丹明B降解率为98%,经过3次循环利用,发现其具有良好的光催化稳定性.
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| 关 键 词： | Nb2O5/Cd S 罗丹明B 光催化降解 |
Preparation and Photocatalytic Properties of Nb2O5/ CdS Nanoparticles |
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| Huang Zhengxi;Long Jianying;Wu Lamei;Liu Xianping. Preparation and Photocatalytic Properties of Nb2O5/ CdS Nanoparticles[J]. Journal of South-Central Univ for, 2014, 0(4): 26-30 |
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| Authors: | Huang Zhengxi Long Jianying Wu Lamei Liu Xianping |
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| Affiliation: | Huang Zhengxi;Long Jianying;Wu Lamei;Liu Xianping;College of Chemistry and Materials Science,South-Central University for Nationalities; |
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| Abstract: | Nb2O5/CdS nanoparticles were prepared by a facile precipitation method. The samples were characterized by XRD, TEM and XPS. The photocatalytic activity of Nb2O5/CdS under visible light irradiation for the degradation of Rhodamine B (RhB) was investigated. The results showed that the CdS particles, which were scattered on the surface of Nb2O5, had a relatively uniform size distribution of around 35 nm. A mass ratio of 20% CdS in the composite photocatalysts demonstrated the best photocatalytic activity. The degradation rate of RhB was approximately 98% under visible light irradiation in 3 h, and the photocatativity was found stable even after 3 cycles. |
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| Keywords: | Nb2O5/CdS Rhodamine B photocatalytic degradation |
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