Microwave-assisted sol–gel synthesis of TiO 2 -mixed metal oxide nanocatalyst for degradation of organic pollutant
Source abstract
Abstract
Abstract Titanium dioxide (TiO 2 ) is the most effective photocatalysts for low-cost degradation of organic pollutant; however, the wide band gap and the high recombination rate of the charge carriers are drawbacks that hinders it practical application. In this study, TiO 2 and titanium mixed metal oxides ternary (V/Ag/TiO 2 ) nanocatalyst was synthesized through a microwave-assisted sol–gel route using Ti(C 4 H 9 O) 4 , NH 4 VO 3 , and AgNO 3 as precursors. The XRD analysis of the synthesized TiO 2 and V/Ag/TiO 2 depicts lattice fringes for rutile and anatase crystalline phases. Raman spectra indicate the formation of a mesoporous multiphase sample mixture of rutile and anatase phases. The spectrum shift to the visible light region was demonstrated by the UV-visible spectroscopy analysis. Diffuse reflectance spectroscopy (DRS) reveals a reduced band gap of 2.9 eV for TiO 2 and 2.65 eV for V/Ag/TiO 2 . Brunauer–Emmett–Teller (BET) indicates a large surface area of 92.8 and 84.8 m 2 g −1 for TiO 2 and V/Ag/TiO 2 , respectively. Nitrogen adsorption–desorption isotherm exhibits type IV isotherm, signifying the presence of the mesoporous structure. SEM portrays a cluster of rod-like aggregate particles, while the HRTEM analysis illustrates nanoparticles of rod-like cylindrical shape with a homogeneous size diameter. The synthesized nanocatalyst demonstrated a significant photocatalytic ability in the degradation of methyl orange (MO) and methylene blue (MB). V/Ag/TiO 2 shows higher activity in the visible region. Thus, the present report suggests efficient, suitable, and economical microwave-assisted sol–gel techniques to yield V/Ag/TiO 2 nanocatalysts with harnessed photocatalytic performance for the degradation of toxic organic pollutants in the presence of visible light irradiation.
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Research context
OpenAlex topics: TiO2 Photocatalysis and Solar Cells · Advanced Photocatalysis Techniques · Advanced Nanomaterials in Catalysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mechanical Engineering Science, University of Johannesburg , Kingsway and University Road, Auckland Park, 2092, P. O. Box 524, Auckland Park, 2006 , Johannesburg , South Africa
Department of Mechanical Engineering, Eastern Mediterranean University , Famagusta , North Cyprus via Mersin 10 , Turkey
References (60)
Show source-provided references
1. Wu Q, Miao WS, Zhang YD, Gao HJ, Hui D. Mechanical properties of nanomaterials: a review. Nanotechnol Rev. 2020;9:259–73. 10.1515/ntrev-2020-0021.10.1515/ntrev-2020-0021 ↗
2. Nasirian M, Mehrvar M. Modification of TiO2 to enhance photocatalytic degradation of organics in aqueous solutions. J Environ Chem Eng. 2016;4:4072–82. 10.1016/j.jece.2016.08.008.10.1016/j.jece.2016.08.008 ↗
3. Szczepanik B, Rogala P, Słomkiewicz PM, Banaś D, Kubala-Kukuś A, Stabrawa I. Synthesis, characterization and photocatalytic activity of TiO2-halloysite and Fe2O3-halloysite nanocomposites for photodegradation of chloroanilines in water. Appl Clay Sci. 2017;149:118–26. 10.1016/j.clay.2017.08.016.10.1016/j.clay.2017.08.016 ↗
4. Shafey AMEL. Green synthesis of metal and metal oxide nanoparticles from plant leaf extracts and their applications: a review. Green Process Synth. 2020;9:304–39. 10.1515/gps-2020-0031.10.1515/gps-2020-0031 ↗
5. Syngouna VI, Chrysikopoulos CV, Kokkinos P, Tselepi MA, Vantarakis A. Cotransport of human adenoviruses with clay colloids and TiO2 nanoparticles in saturated porous media: effect of flow velocity. Sci Total Environ. 2017;598:160–7. 10.1016/j.scitotenv.2017.04.082.10.1016/j.scitotenv.2017.04.082 ↗
6. Chouchene B, Chaabane TBen, Mozet K, Girot E, Corbel S, Balan L, et al. Porous Al-doped ZnO rods with selective adsorption properties. Appl Surf Sci. 2017;409:102. 10. 10.1016/j.apsusc.2017.03.018.10.1016/j.apsusc.2017.03.018 ↗
7. Mustapha S, Ndamitso MM, Abdulkareem AS, Tijani JO, Shuaib DT, Ajala AO, et al. Application of TiO2 and ZnO nanoparticles immobilized on clay in wastewater treatment: a review. Appl Water Sci. 2020;10:49. 10.1007/s13201-019-1138-y.10.1007/s13201-019-1138-y ↗
8. Pawar M, Sendoǧdular ST, Gouma P. A brief overview of TiO2 photocatalyst for organic dye remediation: case study of reaction mechanisms involved in Ce–TiO2 photocatalysts system. J Nanomater. 2018:2018. 10.1155/2018/5953609.10.1155/2018/5953609 ↗
9. Ramesh S, Devred F, Debecker DP. NaAlO2 supported on titanium dioxide as solid base catalyst for the carboxymethylation of allyl alcohol with DMC. Appl Catal A Gen. 2019;581:31–6. 10.1016/j.apcata.2019.05.017.10.1016/j.apcata.2019.05.017 ↗
10. Sun X, Sun B, Gong Q, Gao T, Zhou G. Double-shell structural polyaniline-derived TiO2 hollow spheres for enhanced photocatalytic activity. Transit Met Chem. 2019;44(555–64):8. 10.1007/s11243-019-00312.10.1007/s11243-019-00312-8 ↗
11. Bourezgui A, Kacem I, Daoudi M, Al-Hossainy AF. Influence of gamma-irradiation on structural, optical and photocatalytic performance of TiO2 nanoparticles under controlled atmospheres. J Electron Mater. 2020;49:1904–21. 10.1007/s11664-019-07887-z.10.1007/s11664-019-07887-z ↗
12. Li C, Zhu N, Dong X, Zhang X, Chen T, Zheng S, et al. Tuning and controlling photocatalytic performance of TiO2/kaolinite composite towards ciprofloxacin: role of 0D/2D structural assembly. Adv Powder Technol. 2020;31:1241–52. 10.1016/j.apt.2020.01.007.10.1016/j.apt.2020.01.007 ↗
13. Al Zoubi W, Salih Al-Hamdani AA, Sunghun B, Ko YG. A review on TiO2-based composites for superior photocatalytic activity. Rev Inorg Chem. 2021. 10.1515/revic-2020-0025.10.1515/revic-2020-0025 ↗
14. Bakbolat B, Daulbayev C, Sultanov F, Beissenov R, Umirzakov A, Mereke A, et al. Recent developments of TiO2-based photocatalysis in the hydrogen evolution and photodegradation: a review. Nanomaterials. 2020;10:1790. 10.3390/nano10091790.10.3390/nano10091790 ↗
15. Ni H, Wang L, Wang Z, Zhu J. Grain orientation induced softening in electrodeposited gradient nanostructured nickel during cold rolling deformation. Rev Adv Mater Sci. 2020;59:144–50. 10.1515/rams-2020-0105.10.1515/rams-2020-0105 ↗
16. Yan Z, He Z, Li M, Zhang L, Luo Y, He J, et al. Curcumin doped SiO2/TiO2 nanocomposites for enhanced photocatalytic reduction of Cr(vi) under visible light. Catalysts. 2020;10:942. 10.3390/catal10080942.10.3390/catal10080942 ↗
17. Shi W, Duan D, Wang H, Ma C, Sun Z, Song X. Improving the photocatalytic performance of a sea-cucumber-like nanoporous TiO2 loaded with Pt[sbnd]Ag for water splitting. Int J Hydrogen Energy. 2019;44:13040–51. 10.1016/j.ijhydene.2019.03.196.10.1016/j.ijhydene.2019.03.196 ↗
18. Guo J, Benz D, Doan Nguyen TT, Nguyen PH, Thi Le TL, Nguyen HH, et al. Tuning the photocatalytic activity of TiO2 nanoparticles by ultrathin SiO2 films grown by low-temperature atmospheric pressure atomic layer deposition. Appl Surf Sci. 2020;530:147244. 10.1016/j.apsusc.2020.147244.10.1016/j.apsusc.2020.147244 ↗
19. Ariyanti D, Maillot M, Gao W. TiO2 used as photocatalyst for rhodamine B degradation under solar radiation. Int J Mod Phys B (World Scientific Publishing Co. Pte Ltd). 2017;31:16–9. 10.1142/S0217979217440957.10.1142/S0217979217440957 ↗
20. Allen NS, Vishnyakov V, Kelly PJ, Kriek RJ, Mahdjoub N, Hill C. Characterisation and photocatalytic assessment of TiO2 nano-polymorphs: Influence of crystallite size and influence of thermal treatment on paint coatings and dye fading kinetics. J Phys Chem Solids. 2019;126:131–42. 10.1016/j.jpcs.2018.11.004.10.1016/j.jpcs.2018.11.004 ↗
21. Bayal N, Jeevanandam P. Synthesis of TiO2–MgO mixed metal oxide nanoparticles via a sol–gel method and studies on their optical properties. Ceram Int. 2014;40:15463–77. 10.1016/j.ceramint.2014.06.122.10.1016/j.ceramint.2014.06.122 ↗
22. Ghafoori S, Nasirian M, Al-Jamal R, Mallouh FA, Mehrvar M. Statistical parameter optimization and modeling of photodegradation of methyl orange using a composite photocatalyst prepared by thermal synthesis. Environ Sci Pollut Res. 2020;27:45650–60. 10.1007/s11356-020-10301-5.10.1007/s11356-020-10301-5 ↗
23. Dariani RS, Esmaeili A, Mortezaali A, Dehghanpour S. Photocatalytic reaction and degradation of methylene blue on TiO2 nano-sized particles. Optik (Stuttg). 2016;127:7143–54. 10.1016/j.ijleo.2016.04.026.10.1016/j.ijleo.2016.04.026 ↗
24. Typek J, Guskos N, Zolnierkiewicz G, Pilarska M, Guskos A, Kusiak-Nejman E, et al. Magnetic properties of TiO2/graphitic carbon nanocomposites. Rev Adv Mater Sci. 2019;58:107–22. 10.1515/rams-2019-0009.10.1515/rams-2019-0009 ↗
25. Sun P, Wang S, Li Y, Zhang T, Wang D, Zhang B, et al. One-pot synthesis of nano titanium dioxide in supercritical water. Nanotechnol Rev. 2020;9:410–7. 10.1515/ntrev-2020-0030.10.1515/ntrev-2020-0030 ↗
26. Li B, Wu S, Gao X. Theoretical calculation of a TiO2-based photocatalyst in the field of water splitting: a review. Nanotechnol Rev. 2020;9:1080–103. 10.1515/ntrev-2020-0085.10.1515/ntrev-2020-0085 ↗
27. Wang Q, Zheng K, Yu H, Zhao L, Zhu X, Zhang J. Laboratory experiment on the nano-TiO2 photocatalytic degradation effect of road surface oil pollution. Nanotechnol Rev. 2020;9:922–33. 10.1515/ntrev-2020-0072.10.1515/ntrev-2020-0072 ↗
28. Guo Z, Huang C, Chen Y. Experimental study on photocatalytic degradation efficiency of mixed crystal nano-TiO2 concrete. Nanotechnol Rev. 2020;9:219–29. 10.1515/ntrev-2020-0019.10.1515/ntrev-2020-0019 ↗
29. Huang CW, Liao CH, Wu JCS. Photocatalytic water splitting using hygroscopic MgO modified TiO2/WO3 dual-layer photocatalysts. Korean J Chem Eng. 2020;37:1352–9. 10.1007/s11814-020-0603-5.10.1007/s11814-020-0603-5 ↗
30. Mahshid S, Askari M, Sasani Ghamsari M, Afshar N, Lahuti S. Mixed-phase TiO2 nanoparticles preparation usingsol–gel method. J Alloy Compd. 2009;478:586. http://dx.doi.org/10.1016/j.jallcom.2008.11.094.10.1016/j.jallcom.2008.11.094 ↗
31. Tomar SS, Zafar S, Talha M, Gao W, Hui D. State of the art of composite structures in non-deterministic framework: a review. Thin-Walled Struct. 2018;132:700–16. 10.1016/j.tws.2018.09.016.10.1016/j.tws.2018.09.016 ↗
32. Aman N, Satapathy PK, Mishra T, Mahato M, Das NN. Synthesis and photocatalytic activity of mesoporous cerium doped TiO2 as visible light sensitive photocatalyst. Mater Res Bull. 2012;47:179–83. 10.1016/j.materresbull.2011.11.049.10.1016/j.materresbull.2011.11.049 ↗
33. Simionescu OG, Pachiu C, Ionescu O, Dumbravescu N, Buiu O, Popa RC, et al. Nanocrystalline graphite thin layers for low-strain, high-sensitivity piezoresistive sensing. Rev Adv Mater Sci. 2020;59:306–13. 10.1515/rams-2020-0031.10.1515/rams-2020-0031 ↗
34. Naghdi S, Rhee K, Hui D, Park S. A review of conductive metal nanomaterials as conductive, transparent, and flexible coatings, thin films, and conductive fillers: different deposition methods and applications. Coatings. 2018;8:278. 10.3390/coatings8080278.10.3390/coatings8080278 ↗
35. Liu C, Lu H, Li G, Hui D, Fu YQA. “cross-relaxation effects” model for dynamic exchange of water in amorphous polymer with thermochemical shape memory effect. J Phys D Appl Phys. 2019;52:345305. 10.1088/1361-6463/ab2860.10.1088/1361-6463/ab2860 ↗
36. Sharma K, Hui D, Kim NH, Lee JH. Facile synthesis of N-doped graphene supported porous cobalt molybdenum oxynitride nanodendrites for the oxygen reduction reaction. Nanoscale. 2019;11:1205–16. 10.1039/c8nr06780e.10.1039/C8NR06780E ↗
37. Basavarajappa PS, Patil SB, Ganganagappa N, Reddy KR, Raghu AV, Reddy CV. Recent progress in metal-doped TiO2, non-metal doped/codoped TiO2 and TiO2 nanostructured hybrids for enhanced photocatalysis. Int J Hydrogen Energy. 2020;45:7764–78. 10.1016/j.ijhydene.2019.07.241.10.1016/j.ijhydene.2019.07.241 ↗
38. Feizpoor S, Habibi-Yangjeh A. Ternary TiO2/Fe3O4/CoWO4 nanocomposites: novel magnetic visible-light-driven photocatalysts with substantially enhanced activity through p-n heterojunction. J Colloid Interface Sci. 2018;524:325–36. 10.1016/j.jcis.2018.03.069.10.1016/j.jcis.2018.03.069 ↗
39. Zhu XD, Zheng YL, Feng YJ, Sun KN. Delicate Ag/V2O5/TiO2 ternary nanostructures as a high-performance photocatalyst. J Solid State Chem. 2018;258:691–4. 10.1016/j.jssc.2017.12.001.10.1016/j.jssc.2017.12.001 ↗
40. Hwang SH, Kim C, Jang J. SnO2 nanoparticle embedded TiO2 nanofibers – Highly efficient photocatalyst for the degradation of rhodamine B. Catal Commun. 2011;12:1037–41. 10.1016/j.catcom.2011.02.024.10.1016/j.catcom.2011.02.024 ↗
41. Shi W, Ma C, Wang H, Duan D, Sun Z, Yang S. A sea cucumber-like nanoporous TiO2 modified by bimetal Pt–Au through the dealloying for water splitting. Int J Hydrogen Energy. 2018;43:18850–62. 10.1016/j.ijhydene.2018.08.180.10.1016/j.ijhydene.2018.08.180 ↗
42. Bumajdad A, Madkour M. Understanding the superior photocatalytic activity of noble metals modified titania under UV and visible light irradiation. Phys Chem Chem Phys. 2014;16:7146–58. 10.1039/c3cp54411g.10.1039/c3cp54411g ↗
43. Rahimi N, Pax RA, Gray EMA. Review of functional titanium oxides. I: TiO2 and its modifications. Prog Solid State Chem. 2016;44:86–105. 10.1016/j.progsolidstchem.2016.07.002.10.1016/j.progsolidstchem.2016.07.002 ↗
44. Wang Z, Zhu J, Xu W, Sui J, Peng H, Tang X. Microwave hydrothermal synthesis of perovskite BiFeO3 nanoparticles: an insight into the phase purity during the microwave heating process. Mater Chem Phys. 2012;135:330–3. 10.1016/j.matchemphys.2012.04.053.10.1016/j.matchemphys.2012.04.053 ↗
45. Kadam AN, Dhabbe RS, Kokate MR, Gaikwad YB, Garadkar KM. Preparation of N doped TiO2 via microwave-assisted method and its photocatalytic activity for degradation of Malathion. Spectrochim Acta A. 2014;133:669–76. 10.1016/j.saa.2014.06.020.10.1016/j.saa.2014.06.020 ↗
46. Gupta AK, Pal A, Sahoo C. Photocatalytic degradation of a mixture of crystal violet (basic violet 3) and methyl red dye in aqueous suspensions using Ag+ doped TiO2. Dye Pigment. 2006;69:224–32. 10.1016/j.dyepig.2005.04.001.10.1016/j.dyepig.2005.04.001 ↗
47. Tripathi AM, Nair RG, Samdarshi SK. Visible active silver sensitized vanadium titanium mixed metal oxide photocatalyst nanoparticles through sol–gel technique. Sol Energy Mater Sol Cells. 2010;94:2379–85. 10.1016/j.solmat.2010.08.022.10.1016/j.solmat.2010.08.022 ↗
48. Ntobeng MK, Imoisili PE, Jen TC. Facile fabrication of vanadium sensitized silver titanium oxides (V–Ag/TiO2) photocatalyst nanocomposite for pollutants removal in river water. Mater Sci Semicond Process. 2021;123:105569. 10.1016/j.mssp.2020.105569.10.1016/j.mssp.2020.105569 ↗
49. Khutso Ntobeng M, Ehi Imoisili P, Jen TC. Synthesis and photocatalytic performance of Ag-TiVOX nanocomposite. J King Saud Univ Sci. 2020;32:3103. 10. 10.1016/j.jksus.2020.08.021.10.1016/j.jksus.2020.08.021 ↗
50. Liu G, Qin J, Zhou Z, Liu C, Li F, Wu W. Mesoporous V‐TiO2 catalysts with crystalline anatase‐rutile mixed phases for naphthalene degradation. ChemistrySelect. 2019;4:12955–62. 10.1002/slct.201902487.10.1002/slct.201902487 ↗
51. Ren J, Wang W, Sun S, Zhang L, Chang J. Enhanced photocatalytic activity of Bi2WO6 loaded with Ag nanoparticles under visible light irradiation. Appl Catal B Environ. 2009;92:50–5. 10.1016/j.apcatb.2009.07.022.10.1016/j.apcatb.2009.07.022 ↗
52. Sangpour P, Hashemi F, Moshfegh AZ. Photoenhanced degradation of methylene blue on cosputtered M:TiO2 (M = Au, Ag, Cu) nanocomposite systems: A comparative study. J Phys Chem C. 2010;114:13955–61. 10.1021/jp910454r.10.1021/jp910454r ↗
53. Saito K, Tominaka S, Yoshihara S, Ohara K, Sugahara Y, Ide Y. Room-temperature rutile TiO2 nanoparticle formation on protonated layered titanate for high-performance heterojunction creation. ACS Appl Mater Interfaces. 2017;9:24538–44. 10.1021/acsami.7b04051.10.1021/acsami.7b04051 ↗
54. Leshuk T, Parviz R, Everett P, Krishnakumar H, Varin RA, Gu F. Photocatalytic activity of hydrogenated TiO2. ACS Appl Mater Interfaces. 2013;5:1892–5. 10.1021/am302903n.10.1021/am302903n ↗
55. Chen S, Li D, Liu Y, Huang W. Morphology-dependent defect structures and photocatalytic performance of hydrogenated anatase TiO2 nanocrystals. J Catal. 2016;341:126–35. 10.1016/j.jcat.2016.06.016.10.1016/j.jcat.2016.06.016 ↗
56. Reddy BM, Chowdhury B, Ganesh I, Reddy EP, Rojas TC, Fernández A. Characterization of V2O5/TiO2-ZrO2 catalysts by XPS and other techniques. J Phys Chem B. 1998;102:10176–82. 10.1021/jp9826165.10.1021/jp9826165 ↗
57. Dolgonos A, Mason TO, Poeppelmeier KR. Direct optical band gap measurement in polycrystalline semiconductors: a critical look at the tauc method. J Solid State Chem. 2016;240:43–8. 10.1016/j.jssc.2016.05.010.10.1016/j.jssc.2016.05.010 ↗
58. Liu J, Han R, Zhao Y, Wang H, Lu W, Yu T, et al. Enhanced photoactivity of V–N codoped TiO2 derived from a two-step hydrothermal procedure for the degradation of PCP-Na under visible light irradiation. J Phys Chem C. 2011;115:4507–15. 10.1021/jp110814b.10.1021/jp110814b ↗
59. Xiang Q, Yu J, Wang W, Jaroniec M. Nitrogen self-doped nanosized TiO2 sheets with exposed {001} facets for enhanced visible-light photocatalytic activity. Chem Commun. 2011;47:6906–8. 10.1039/c1cc11740h.10.1039/c1cc11740h ↗
60. Zhang H, Wang G, Chen D, Lv X, Li J. Tuning photoelectrochemical performances of Ag–TiO2 nanocomposites via reduction/oxidation of Ag. Chem Mater. 2008;20:6543–9. 10.1021/cm801796q.10.1021/cm801796q ↗