Promoting role of transition metal oxide on ZnTiO3–TiO2 nanocomposites for the photocatalytic activity under solar light irradiation
Source abstract
Abstract
Abstract Transition metal oxide (Fe 2 O 3 , Co 3 O 4 and CuO) loaded ZnTiO 3 –TiO 2 nanocomposites were successfully prepared by solid state dispersion method. The structural, morphological and optical properties of samples were characterized by TGA/DTA, XRD, BET, FT-IR, DRS, PL, XPS and SEM techniques. The photocatalytic activity of samples was investigated by degradation of 4-chlorophenol in water under sunlight. The Fe 2 O 3 loaded sample was found to exhibit much higher photocatalytic activity than the other composite powders. 7Fe 2 O 3 /ZnTi sample has the highest percentage of 4-chlorophenol degradation (100%) and highest reaction rate (1.27 mg L −1 min −1 ) was obtained in 45 min. The enhancement of photocatalytic activity for ZnTiO 3 –TiO 2 sample with Fe 2 O 3 addition may be attributed to its small particle size, the presence of more surface OH groups, lower band gap energy than other samples in this paper and the presence of more hexagonal ZnTiO 3 phase in the morphology.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · TiO2 Photocatalysis and Solar Cells · Pigment Synthesis and Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (44)
Show source-provided references
1. Synthesis of high-temperature stable anatase TiO2 photocatalyst10.1021/jp065933h ↗
2. Solar photocatalytic degradation of azo dye: comparison of photocatalytic efficiency of ZnO and TiO210.1016/S0927-0248(02)00255-6 ↗
3. J. Photocatalytic decolorization of azo-dye with zinc oxide powder in an external UV light irradiation slurry photoreactor10.1016/j.jhazmat.2006.05.039 ↗
4. Photocatalytic degradation of 4-chlorophenol: the effects of varying TiO2 concentration and light wavelength10.1006/jcat.1997.1511 ↗
5. Radiolytic and TiO2-assisted photocatalytic degradation of 4-Chlorophenol. A comparative study10.1021/j100076a019 ↗
6. Photocatalytic properties of nc-Au/ZnO nanorod composites10.1016/j.apcatb.2006.02.013 ↗
7. Direct splitting of water under visible light irradiation with an oxide semiconductor photocatalyst10.1038/414625a ↗
8. DC thermal plasma synthesis and properties of zinc oxide nanorods10.1116/1.2197513 ↗
9. Hydrothermal synthesis and photocatalytic characterizations of transition metals doped nano TiO2 sols10.1016/j.mseb.2005.12.032 ↗
10. UV–vis versus visible degradation of acid orange II in a coupled CdS/TiO2 semiconductors suspension10.1016/j.jphotochem.2006.03.025 ↗
11. Correlations of WO3 species and structure with the catalytic performance of the selective oxidation of cyclopentene to glutaraldehyde on WO3/TiO2 catalysts10.1016/j.cej.2010.02.024 ↗
12. Preparation and characterization of Cu2O–TiO2: efficient photocatalytic degradation of methylene blue10.1016/j.materresbull.2008.01.026 ↗
13. Structural and photovoltaic properties of binary TiO2–ZrO2 oxides system prepared by sol–gel method10.1016/j.compscitech.2005.10.035 ↗
14. Electrical and optical properties of TiO2-doped ZnO films prepared by radio-frequency magnetron sputtering10.1016/j.jpcs.2007.07.040 ↗
15. Visible-light photocatalytic activity of semiconductor composites supported by electrospun fiber10.1016/j.compscitech.2010.05.001 ↗
16. Microstructure and microwave dielectric properties of modified Zinc Titanates (II)10.1016/S0025-5408(98)00057-9 ↗
17. Preparation of zinc titanate thin films by low-pressure metalorganic chemical vapor deposition10.1111/j.1151-2916.1995.tb09075.x ↗
18. Low-fired (Zn, Mg) TiO3 microwave dielectric10.1111/j.1151-2916.1999.tb02268.x ↗
19. Phase equilibria in the system ZnO–TiO210.1111/j.1151-2916.1960.tb14326.x ↗
20. Synthesis and characterization of zinc titanate nano-crystal powders by sol–gel technique10.1016/S0022-0248(02)01490-2 ↗
21. Formation and transformation of ZnTiO310.1111/j.1151-2916.1987.tb05011.x ↗
22. Microstructure and microwave dielectric properties of modified zinc titanates (I)10.1016/S0025-5408(98)00056-7 ↗
23. Preparation, characterization and photocatalytic properties of ZnTiO3 powders10.1016/j.jhazmat.2009.06.092 ↗
24. New mesoporous perovskite ZnTiO3 and its excellent catalytic activity in liquid phase organic transformations10.1016/j.apcata.2010.11.037 ↗
25. Preparation of zinc titanate nanoparticles and their photocatalytic behaviors in the photodegradation of humic acid in water10.1016/j.ceramint.2012.01.078 ↗
26. Transition metal coated TiO2 nanoparticles: Synthesis, characterization and their photocatalytic activity10.1016/j.apcatb.2013.04.040 ↗
27. Formation and transformation of ZnTiO3 prepared by sol–gel process10.1016/j.matlet.2004.07.046 ↗
28. Structure, ac conductivity and complex impedance study of Co3O4 and Fe3O4 mixed spinel ferrites
29. Mechanism of oxygen releasing of copper ferrite in the formation of the corresponding oxygen-deficient compound10.1007/s11426-008-0118-0 ↗
30. Preparation and characterizations of ZnTiO3 powders by sol–gel process10.1007/s10971-005-6708-9 ↗
31. Effect of Cu dopant on microstructure and phase transformation of ZnTiO3 thin films prepared by radio frequency magnetron sputtering10.1016/j.tsf.2011.11.035 ↗
32. Low temperature nanostructured zinc titanate by an aqueous particulate sol–gel route: Optimisation of heat treatment condition based on Zn:Ti molar ratio10.1016/j.jeurceramsoc.2009.09.031 ↗
33. The effects of heat-treatment on the structure evolution and crystallinity of ZnTiO3 nano-crystals prepared by Pechini process10.1016/j.materresbull.2007.06.002 ↗
34. Photocatalytic degradation of dye pollutant over Ti and Co doped SBA-15: Comparison of activities under visible light
35. Enhanced photocatalytic activity of ZnO/CuO nanocomposite for the degradation of textile dye on visible light illumination10.1016/j.msec.2012.08.011 ↗
36. Synthesis and magnetic properties of Fe2O3–TiO2 nano-composite particles using pulsed laser gas phase evaporation–liquid phase collecting method10.1016/j.apsusc.2013.06.125 ↗
37. Time-resolved photoluminescence of particulate TiO2 photocatalysts suspended in aqueous solutions10.1016/S1010-6030(00)00204-5 ↗
38. Wagner · 1979
39. Efficient photocatalytic degradation of phenol over Co3O4/BiVO4 composite under visible light irradiation10.1021/jp063441z ↗
40. Effect of transition metal doping on photocatalytic activity of WO3 for water splitting under laser illumination: role of 3d-orbitals10.1016/j.catcom.2004.09.002 ↗
41. Enhancement of photocatalytic activity of mesporous TiO2 powders by hydrothermal surface fluorination treatment10.1021/jp900136q ↗
42. Synthesis and characterization of ZrO2–TiO2 binary oxide semiconductor nanoparticles: application and interparticle electron transfer process10.1016/j.apcata.2007.09.026 ↗
43. Nonoxidative dehydrogenation of ethylbenzene over TiO2-ZrO2 catalysts: II. The effect of pretreatment on surface properties and catalytic activities10.1016/0021-9517(84)90172-6 ↗
44. The kinetics of phenol decomposition under UV irradiation with and without H2O2 on TiO2, Fe–TiO2 and Fe–C–TiO2 photocatalysts10.1016/j.apcatb.2005.09.011 ↗