Elaboration of TiO2/carbon of oil fly ash nanocomposite as an eco-friendly photocatalytic thin-film material
Source abstract
Abstract
Abstract Titanium/carbon nanomaterial thin film nanocomposites are important components for green advanced technologies and the sustainable future. The aim of this research is to evaluate the photocatalytic activity of the titanium dioxide/carbon nanoparticles derived from oil fly ash (TiO2/COFA) nanocomposite as an eco-friendly photocatalytic material. Herein, the structural, morphological, and optical properties of TiO2/COFA thin films were investigated. Carbon-rich oil fly ash waste has been used as a precursor of carbon nanoparticles synthesised by high-energy ball-milling in nitric acid medium. TiO2/COFA thin films were fabricated by the spin-coating method. The doping of COFA with ratios of 4, 7, and 10 wt % in the TiO2 host were explored for the first time. The obtained results of these films successfully confirmed the presence of carbon nanoparticles in the TiO2 films. The surface morphology of the doped thin films improved as compared to that of the undoped films. XRD confirmed that the doped TiO2 films had a weakly crystalline structure. In addition, doping with COFA decreased the optical bandgap energy of the films from 3.6 to 3.3 eV, whereas it increased the refractive index and the extinction coefficient and significantly enhanced the optical conductivity to reach a value of 5 × 1014 S−1. The photoluminescence intensity of the doped films decreased drastically as the COFA content increased. The results indicated the enhancement of the light conversion and photocatalytic efficiency of doped films in the visible range, and their possible use as solar energy materials.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: TiO2 Photocatalysis and Solar Cells · Laser-Ablation Synthesis of Nanoparticles · Polymer Nanocomposite Synthesis and Irradiation
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (56)
Show source-provided references
1. Ball milling as a mechanochemical technology for fabrication of novel biochar nanomaterials10.1016/j.biortech.2020.123613 ↗
2. Fabrication, characteristics and applications of carbon materials with different morphologies and porous structures produced from wood liquefaction: a review10.1016/j.cej.2019.01.159 ↗
3. Green synthesis of dysprosium stannate nanoparticles using Ficuscarica extract as photocatalyst for the degradation of organic pollutants under visible irradiation10.1016/j.ceramint.2019.11.072 ↗
4. Facile hydrothermal and novel preparation of nanostructured Ho2O3 for photodegradation of eriochrome black T dye as water pollutant10.1016/j.apt.2016.11.022 ↗
5. Preparation, characterization and photocatalytic properties of Ag2ZnI4/AgI nanocomposites via a new simple hydrothermal approach10.1016/j.molliq.2016.11.028 ↗
6. Effect of copper on improving the electrochemical storage of hydrogen in CeO2 nanostructure fabricated by a simple and surfactant-free sonochemical pathway10.1016/j.ceramint.2020.07.121 ↗
7. Nd2Sn2O7 nanostructures: new facile Pechini preparation, characterization, and investigation of their photocatalytic degradation of methyl orange dye10.1016/j.apt.2016.11.017 ↗
8. Green synthesis and characterization of Dy2Ce2O7 ceramic nanostructures with good photocatalytic properties under visible light for removal of organic dyes in water10.1016/j.jclepro.2018.05.042 ↗
9. Green synthesis and characterization of Dy2Ce2O7 nanostructures using Ananascomosus with high visible-light photocatalytic activity of organic contaminants10.1016/j.jallcom.2018.05.311 ↗
10. Sonochemical synthesis and characterization of silver tungstate nanostructures as visible-light-driven photocatalyst for waste-water treatment10.1016/j.seppur.2020.117062 ↗
11. Conductive and nitrogen-enriched porous carbon nanostructure derived from poly (para-phenylenediamine) for energy conversion and storage Applications10.1016/j.apsusc.2019.144069 ↗
12. Sintering and properties of borosilicate glass/Li-Na-K-feldspar composites for electronic applications10.1016/j.ceramint.2017.08.033 ↗
13. Ball milling: a green technology for the preparation and functionalisation of nanocellulose derivative10.1039/C8NA00238J ↗
14. Carbonaceous nanomaterials for the enhancement of TiO2 photocatalysis10.1016/j.carbon.2010.10.010 ↗
15. Carbonaceous-TiO2 nanomaterials for photocatalytic degradation of pollutants: a review10.1016/j.ceramint.2017.08.143 ↗
16. Strategies to improve the photocatalytic activity of TiO2:3D nanostructuring and heterostructuring with graphitic carbon nanomaterials10.1039/C9NR01260E ↗
17. Porous TiO2 photonic band gap materials by anodization10.1021/jp212416c ↗
18. Study of the photocatalytic activity of nanocrystalline S, N- codoped TiO2 thin films and powders under visible and sun light irradiation10.1016/j.apsusc.2012.03.085 ↗
19. Structural, morphological, and optical properties of TiO2 thin films synthesized by the electro phoretic deposition technique10.1186/1556-276X-7-357 ↗
20. TiO2photocatalyst for indoor air remediation: influence of crystallinity, crystal phase, and UV radiation intensity on trichloroethylene degradation10.1016/j.apcatb.2009.08.003 ↗
21. Preparation of TiO2 thin films by laser ablation for photocatalytic applications10.1116/1.2870228 ↗
22. The effect of tween surfactants in sol-gel processing for he production of TiO2 thin films10.3390/coatings4040796 ↗
23. Anatase-rutile transformation through high-temperature annealing of titania films produced by ultrasonic spray pyrolysis10.1016/j.tsf.2009.10.109 ↗
24. The photoactivity of titanium dioxide coatings with silver nanoparticles prepared by sol-gel and reactive magnetron sputtering methods–comparative studies10.1016/j.apsusc.2013.10.061 ↗
25. Effect of annealing temperature on titania thin films prepared by spin coating10.1007/s10971-010-2257-y ↗
26. Effects of Co doping on structure and optical properties of TiO2 thin films prepared by sol-gel method10.1016/j.tsf.2012.03.125 ↗
27. Lubricant additives based on carbon nanotubes produced from carbon-rich fly ash10.1080/10402004.2016.1155784 ↗
28. Carbon rich fly ash and their nanostructures10.5714/CL.2016.19.023 ↗
29. Effective reinforcements for thermoplastics based on carbon nanotubes of oil fly ash10.1038/s41598-019-56777-1 ↗
30. Size-controlled, single-crystal CuOnanosheets and the resulting polyethylene–carbon nanotube nanocomposite as antimicrobial materials
31. Lubricant additives based on carbon nanotubes produced from carbon-rich fly ash10.1080/10402004.2016.1155784 ↗
32. Carbon nanotubes of oil fly ash as lubricant additives for different base oils and their tribology performance10.1039/C7RA07155H ↗
33. Carbon nanotubes of oil fly ash integrated with ultra thin Cu Onanosheets as effective lubricant additives10.1016/j.diamond.2017.08.010 ↗
34. UV-irradiated carbon nanotubes synthesized from fly ash for adsorption of Congo red dyes in aqueous solution10.1080/19443994.2015.1123192 ↗
35. Graphene wrapped porous tubular rutile TiO2 nanofibers with superior interfacial contact for highly efficient photocatalytic performance for water treatment10.1016/j.seppur.2016.05.059 ↗
36. Photoluminescence and photocatalytic activity of spin coated Ag+ doped anatase TiO2 thin films10.1016/j.optmat.2020.110401 ↗
37. The synthesis of microporous and mesoporous titania with high specific surface area using sol–gel method and activated carbon templates10.1016/j.matlet.2012.07.090 ↗
38. Preparation and characterization of nanocrystalline TiO2 thin films10.1016/j.mseb.2010.04.009 ↗
39. Variation of structural and optical properties of sol-gel TiO2 thin films with catalyst concentration and calcination temperature10.1016/S0167-577X(03)00380-X ↗
40. Preparation and haracterization of graphene – TiO2 nanocomposite for enhanced photodegradation of Rhodamine-B dye10.1016/j.ejar.2018.11.009 ↗
41. Fabrication of double layer photoelectrodes using hierarchical TiO2nanospheres for dye-sensitized solar cells10.1016/j.jiec.2011.11.029 ↗
42. Effect of different graphene oxide contents on dye-sensitized solar cells
43. Pankove · 1972 · vol. 119 · 93
44. Structural and optical properties of zinc oxide thin films prepared by spray pyrolysis method
45. Structural, electrical and optical properties of multilayer TiO2 thin films deposited by sol–gel spin coating10.1016/j.rinp.2017.03.023 ↗
46. Dye-sensitized solar cells made with TiO2-coated multi-wall carbon nanotubes and natural dyes extracted from ipomoea10.2320/matertrans.M2009203 ↗
47. Optical studies of [N(CH3)4]2CoCl4, [N(CH3)4]2MnCl4 single crystals in the normal paraelectric phase10.1016/S0921-4526(03)00019-X ↗
48. Photoinduced absorption edge shift of As20Se60Tl20 films10.1016/j.jlumin.2009.11.036 ↗
49. Validity of swanepoel's method for calculating the optical constants of thick films10.12693/APhysPolA.121.628 ↗
50. Effect of antimony addition on the optical behaviour of germanium selenide thin films10.1088/0022-3727/41/22/225307 ↗
51. Comparison of optical properties of bulk and nano crystalline thin films CdS using different precursors
52. Reduced interfacial recombination in dye-sensitized solar cells assisted with NiO:Eu3+,Tb3+ coated TiO2 film10.1038/srep31123 ↗
53. The effect of calcination temperature on the surface microstructure and photocatalytic activity of TiO2 thin films prepared by liquid phase deposition10.1021/jp036158y ↗
54. Structure and photoluminescencestudy of TiO2nanoneedle texture along vertically aligned carbon nanofiber arrays10.1021/jp8060653 ↗
55. Preparation and photocatalytic activity of fly ash incorporated TiO2 nanofibers for effective removal of organic pollutants10.1016/j.ceramint.2014.09.123 ↗
56. Photoluminescence study of carbon doped and hydrogen co-doped TiO2 thin films10.1016/j.tsf.2013.08.049 ↗