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Ansari, Fahimeh, Sheibani, Saeed, Caudillo-Flores, Uriel, Fernández-García, Marcos. (1399). Effect of calcination process on the gas phase photodegradation by CuO-Cu2O/TiO2 nanocomposite photocatalyst. , 53(1), 23-30. doi: 10.22059/jufgnsm.2020.01.04
Fahimeh Ansari; Saeed Sheibani; Uriel Caudillo-Flores; Marcos Fernández-García. "Effect of calcination process on the gas phase photodegradation by CuO-Cu2O/TiO2 nanocomposite photocatalyst". , 53, 1, 1399, 23-30. doi: 10.22059/jufgnsm.2020.01.04
Ansari, Fahimeh, Sheibani, Saeed, Caudillo-Flores, Uriel, Fernández-García, Marcos. (1399). 'Effect of calcination process on the gas phase photodegradation by CuO-Cu2O/TiO2 nanocomposite photocatalyst', , 53(1), pp. 23-30. doi: 10.22059/jufgnsm.2020.01.04
Ansari, Fahimeh, Sheibani, Saeed, Caudillo-Flores, Uriel, Fernández-García, Marcos. Effect of calcination process on the gas phase photodegradation by CuO-Cu2O/TiO2 nanocomposite photocatalyst. , 1399; 53(1): 23-30. doi: 10.22059/jufgnsm.2020.01.04

Effect of calcination process on the gas phase photodegradation by CuO-Cu2O/TiO2 nanocomposite photocatalyst

Journal of Ultrafine Grained and Nanostructured Materials
دوره 53، شماره 1، شهریور 2020، صفحه 23-30    اصل مقاله (2.02 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22059/jufgnsm.2020.01.04
نویسندگان
Fahimeh Ansari1؛ Saeed Sheibani* 2؛ Uriel Caudillo-Flores3؛ Marcos Fernández-García3
1aSchool of Metallurgy and Materials Engineering, College of Engineering, University of Tehran, Tehran, Iran
2University of Tehran
3Instituto de Catálisis y Petroleoquímica, CSIC. C/ Marie Curie, 2, 28049, Madrid, Spain.
چکیده
A series of CuO-Cu2O/TiO2 nanocomposite samples were prepared by the sol-gel method. Before applying the sol-gel method, the Cu(OH)2 nanostructure on Cu powders were formed by in-situ solution treatment. The samples were characterized through some techniques and the photocatalytic performance of CuO-Cu2O/TiO2 nanocomposites for gas-phase 2-propanol photo-oxidation under UV and sunlight type illumination was evaluated. The effect of calcination process on the synthesis and photocatalytic activity of the samples was studied. The calcination process plays an important role in improving the properties of nanocomposite powders. The results showed that the nanocomposite formed successfully in desirable structure and morphology. The nanocomposite is composed by the mixture of TiO2 particle with an average particle size of about 300 nm and the copper oxide nanorods with a diameter of 50-100 nm. In this nanocomposite, the copper oxides nanostructures and TiO2 particles are the main components to form the heterojunction structure and provide enhanced photocatalytic performance compared to the TiO2 sample. The reaction rate of the most active nanocomposite sample prepared at the optimum conditions is almost 6 times larger than the TiO2 references.
کلیدواژه‌ها
Copper Oxide؛ TiO2؛ Nanocomposite؛ Gas Phase Photodegradation؛ Calcination
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