会议论文详细信息
1st International Symposium on Green Technology for Value Chains 2016
Synthesis and characterization of novel TiO2-ZnO-CoO nanocomposite photocatalyst for photodegradation of methylene blue dye
工业技术;生态环境科学
Nasir, M.^1 ; Irnameria, D.^2,3 ; Zulfikar, M.A.^2
Research Unit for Clean Technology, Indonesian Institute of Sciences (LIPI), Jalan Cisitu 21/154 D, Bandung
40135, Indonesia^1
Department of Chemistry, ITB, Bandung, Indonesia^2
Department of Health Analysis, Poltekkes Kemenkes Bengkulu, Indonesia^3
关键词: Cobalt acetate;    Irradiation time;    Methylene blue dye;    Photo-catalytic;    Photocatalytic reactions;    Photodegradation of methylene blue;    Synthesis and characterizations;    Water pollutants;   
Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/60/1/012015/pdf
DOI  :  10.1088/1755-1315/60/1/012015
来源: IOP
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【 摘 要 】
TiO2-ZnO-CoO nanocomposite photocatalyst has been synthezised using sol-gel method. Titanium (IV) ethoxide, zinc acetate (Zn(CH3COO)2.2H2O) and cobalt acetate (Co(C3COO)2.4H2O) were used as precursors. TiO2and ZnO posses good photocatalytic ability in photodegradation of water pollutant. The disadvantage and weakness of photocatalytic reaction of TiO2and ZnO mostly happens at ultraviolet range and less at visible light. This research aimed to decrease the disadventage of TiO2and ZnO, using cobalt oxide. TiO2-ZnO-CoO nanocomposite photocatalyst was characterized by using SEM-EDS and XRD. SEM analysis showed homogenous and smooth morphology of TiO2-ZnO-CoO nanocomposite photocatalyst. EDS analysis revealed the TiO2-ZnO-CoO nanocomposite photocatalyst had O : Ti : Co : Zn = 32.64 : 37.39 : 11.85 : 18.12. In this study, we expose effect of amount of TiO2-ZnO-CoO nanocomposite photocatalyst, pH, and irradiation time on methylene blue dye photodegradation. Novel TiO2-ZnO-CoO nanocomposite photocatalyst was effective in photodegradation of methylene blue dye.
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