期刊
APPLIED CLAY SCIENCE
卷 53, 期 4, 页码 553-560出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.clay.2011.05.001
关键词
Montmorillonite; ZnO; Photocatalysis; Methylene blue dye degradation
资金
- DPPM Universitas Islam Indonesia
Synthesis of a ZnO/montmorillonite photocatalyst based on an Indonesian natural montmorillonite was conducted using a sol-gel intercalation method. The physicochemical properties of the material were determined by XRD, N-2 adsorption-desorption, SEM, TEM and UV-Vis diffuse reflectance. The activity was evaluated in photocatalytic and photochemical degradation of methylene blue (MB) with and without H2O2. Characterization showed that the ZnO particles were successfully distributed in montmorillonite support and ZnO/montmorillonite had lower band gap energy. The increased adsorption of MB on ZnO/montmorillonite resulted in faster photodegradation. The kinetics of the reaction obeyed the Langmuir-Hinshelwood model. (C) 2011 Elsevier B.V. All rights reserved.
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