Facile synthesis of CuCr2O4/CeO2 nanocomposite: A new Fenton like catalyst with domestic LED light assisted improved photocatalytic activity for the degradation of RhB, MB and MO dyes

Ghorai, Kalyan; Panda, Atanu; Bhattacharjee, Monotosh; Mandal, Debasish; Hossain, Akbar; Bera, Parthasarathi; Seikh, Md. Motin; Gayen, Arup

doi:10.1016/j.apsusc.2020.147604

Cited by 53 publications

(16 citation statements)

References 70 publications

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“…On the other hand, besides the advantages of making hybrids through combustion synthesis, one drawback is the appearance of unexpected intermediate (or unwanted) phases, which can be avoided by optimizing synthesis parameters. Making nanocomposites/heterostructures such as metal oxide-metal oxide nanocomposite [332][333][334] , metal oxide composite with graphene oxide (or other carbonbased materials) and other complex composites may be very useful in photocatalysis.…”

Section: Synthesis Of Nanocomposites For Photocatalytic Applicationsmentioning

confidence: 99%

“…331 On the other hand, besides the advantages of making hybrids through combustion synthesis, one drawback is the appearance of unexpected (or unwanted) intermediate phases, which can be avoided by optimizing the synthesis parameters. Making nanocomposites/heterostructures such as metal oxide-metal oxide nanocomposites, [332][333][334] metal oxide composites with graphene oxide (or other carbon-based materials) and other complex composites may be very useful in photocatalysis. Several possible reasons can be considered: (i) it may facilitate photocatalysis by favouring the electron-hole migration within a heterostructure by inducing an internal electric field at the interface of photocatalysts, 335 (ii) heterostructure formation by SCS can make electron-hole pair separation more efficient, hence generating a greater number of electron-hole pairs, 336,337 (iii) it can also reduce the electron-hole recombination rate, (iv) it can prolong the lifetime of charge carriers, 336 or (v) it may enhance the light absorption of the composite, hence increasing the efficiency of a photocatalyst.…”

Section: Synthesis Of Nanocomposites For Photocatalytic Applicationsmentioning

confidence: 99%

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Solution combustion synthesis: the relevant metrics for producing advanced and nanostructured photocatalysts

et al. 2022

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Section: Synthesis Of Nanocomposites For Photocatalytic Applicationsmentioning

confidence: 99%

Section: Synthesis Of Nanocomposites For Photocatalytic Applicationsmentioning

confidence: 99%

Solution combustion synthesis: the relevant metrics for producing advanced and nanostructured photocatalysts

et al. 2022

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“…Radical scavenger experiments were carried out using the nanocomposites to evaluate the types of reactive species that formed during the photocatalytic degradation process. In this experiment, 2 M of ethylenediaminetetraacetic acid disodium salt (Na 2 EDTA) and isopropanol (IPA) were used as superoxide radicals and hydroxyl radical scavengers, respectively [39,40]. Figure 8 shows the results of the radical scavenger degradation of three different dyes.…”

Section: Radical-trapping Experimentsmentioning

confidence: 99%

Environmental Remediation of Toxic Organic Pollutants Using Visible-Light-Activated Cu/La/CeO2/GO Nanocomposites

Vasu

Keyan

et al. 2021

Materials

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Environmental pollution is a major threat that increases day by day due to various activities. A wide variety of organic pollutants enter the environment due to petrochemical activities. Organic contamination can be unsafe, oncogenic, and lethal. Due to environmental issues worldwide, scientists and research communities are focusing their research efforts on this area. For the removal of toxic organic pollutants from the environment, photocatalysis-assisted degradation processes have gained more attention than other advanced oxidation processes (AOPs). In this manuscript, we report a novel photocatalysis of copper and lanthanum incorporating cerium oxide (CeO2) loaded on graphene oxide (Cu/La/CeO2/GO) nanocomposites successfully synthesized by hydrothermal techniques. XRD results showed the presence of dopant ions and a crystalline structure. FESEM images showed that the surface morphology of the synthesized nanocomposites formed a rod-like structure. The highlight of this study is the in-situ synthesis of the novel Cu/La/CeO2/GO nanocomposites, which manifest higher photodegradation of harmful organic dyes (Rhodamine B (RhB), Sunset Yellow (SY), and Cibacron Red (CR)). In Cu/La/CeO2/GO nanocomposites, the dopant materials restrict the rapid recombination of photoinduced electron–hole pairs and enhance the photocatalytic activity. The degradation percentages of RhB, SY, and CR dye solution are 80%, 60%, and 95%, respectively. In summary, the synthesized nanocomposites degrade toxic organic dyes with the help of visible light and are suitable for future industrial applications.

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“…Photocatalytic technology with different types of semiconductor photocatalysts has received increasing attention for the degradation of organic pollutants [1][2][3]. The transition metal oxides had broad application prospects in photocatalytic applications due to their excellent catalytic activity, stability and cycle performance [4,5].…”

Section: Introductionmentioning

confidence: 99%

Ce2(MoO4)3 synthesized with oleylamine and oleic acid as additives for photocatalysis: effect of preparation method

Huang

Kong

Chang

et al. 2022

Photochem Photobiol Sci

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Ce 2 (MoO 4 ) 3 was prepared using dielectric barrier discharge (DBD) plasma method, co-precipitation method and hydrothermal method, respectively, with water/ethanol (W/O) as solvent, oleylamine (OAm) and oleic acid (OAc) as additives. Preparation method showed significant influence on the morphological and structural properties, as well as photocatalytic performance. Ce 2 (MoO 4 ) 3 synthesized with DBD plasma (MO-P) was mainly flowerlike nanosheets, which were beneficial to promoting electron transfer and providing more space for catalytic activity. Also, MO-P samples exhibited more oxygen vacancies, which were conducive to the photocatalytic performance. What's more, MO-P showed lower PL intensity and narrow energygap, which implied a slow photoelectron-hole pair recombination rate and an increased electron transfer rate. The degradation rate of methyl orange (50 mg/L) could achieve 98% within 12 min with 0.5 g/L MO-P. Hydroxyl radicals (•OH) and superoxide radicals (•O 2 − ) played a major effect. Plasma synthesis method exhibited potential application prospect in photocatalysts preparation.

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Facile synthesis of CuCr2O4/CeO2 nanocomposite: A new Fenton like catalyst with domestic LED light assisted improved photocatalytic activity for the degradation of RhB, MB and MO dyes

Cited by 53 publications

References 70 publications

Solution combustion synthesis: the relevant metrics for producing advanced and nanostructured photocatalysts

Solution combustion synthesis: the relevant metrics for producing advanced and nanostructured photocatalysts

Environmental Remediation of Toxic Organic Pollutants Using Visible-Light-Activated Cu/La/CeO2/GO Nanocomposites

Ce2(MoO4)3 synthesized with oleylamine and oleic acid as additives for photocatalysis: effect of preparation method

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