Fast Photodegradation of Malachite Green using Nano-ZnO on Ceramic MgAI Carbonate Layered Double Hydroxides Support  

孔雀石绿在镁铝水滑石负载纳米氧化锌上的快速光降解

作　　者：闫瑞强 刘贵花 王庆丰 刘卫[2] 宋春林[3] 

机构地区：[1]台州大学材料工程系,台州318000 [2]中国科学技术大学材料科学与工程系,合肥230026 [3]西南大学材料与能源学部,重庆400715

出　　处：《Chinese Journal of Chemical Physics》2016年第2期241-244,I0002,共5页化学物理学报（英文）

摘　　要：The nanopowders of Mg-Al carbonate layered double hydroxides （MgAl-LDH） were prepared via coprecipitation process. ZnO nanoparticles were homogeneously coated on the ceramic MgAl-LDH surface. After calcination at 500℃ for 4 h, X-ray diffraction and scanning electron microscopy were employed to investigate the crystal structure and morphology, respectively. It was demonstrated that ZnO nanoparticles were successfully prepared on ceramic MgAI-LDH support. The obtained nano-ZnO photocatalyst showed a high photocatalytic degradation of malachite green. The enhanced photocatalytic property can be attributed to both high photocatalytic activity of ZnO and good adsorption behavior of ceramic MgAI-LDH, in which the flaky structure of MgAI-LDH plays an important role.

关 键 词：DEGRADATION PHOTOCATALYST ZnO Coprecipitation 

分 类 号：O[理学]