Photocatalytic performance of nano-photocatalyst from TiO2 and Fe2O3 by mechanochemical synthesis

Ghorai, Tanmay Kumar; Chakraborty, Mukut; Pramanik, Panchanan

doi:10.1016/j.jallcom.2011.05.069

Cited by 104 publications

(61 citation statements)

References 46 publications

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“…However, there have been also some reports showing that the modified TiO 2 is more active than TiO 2 in water, for dye degradation under UV or visible light [15][16][17], and for phenol degradation under UV light in the presence of H 2 O 2 [18]. Such the discrepancy in activity may be related to the size effect of Fe 2 O 3 particles, since a sample prepared by mechanically mixing Fe 2 O 3 and TiO 2 is less photoactive than TiO 2 [19,20]. Then, the use of ferric complex as a Fe precursor to limit Fe(III) hydrolysis would be a good strategy.…”

Section: Introductionmentioning

confidence: 99%

Effect of surface Fe2O3 clusters on the photocatalytic activity of TiO2 for phenol degradation in water

Sun

Leng

et al. 2012

Journal of Hazardous Materials

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Section: Introductionmentioning

confidence: 99%

Effect of surface Fe2O3 clusters on the photocatalytic activity of TiO2 for phenol degradation in water

Sun

Leng

et al. 2012

Journal of Hazardous Materials

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“…Sulphuric acid (100 mL) in various concentration (6,7,12 and 18 N) was used as a solvent for refluxing process of roasted iron sand. The refluxing process was carried out for 2 h at 90 o C. Furthermore, the refluxing result was filtered.…”

Section: Leaching Of Roasted Iron Sandmentioning

confidence: 99%

“…The properties of the chemical compound from waste industry are toxic, carcinogenic for human health, and environment contamination [5]. Ghorai et al (2011) [6] have used nano photocatalyst from TiO2 and Fe2O3 for rhodamine B, blue thymol, methyl orange and green bromocresol decolorization. The research was carried out using Xenon 300 W lamp and it processing have been found that Fe2O3/TiO2 can accelerate the degradation process of color substances.…”

Section: Introductionmentioning

confidence: 99%

Preparation of Fe2O3/TiO2 composite from Bengkulu iron sand using sulphuric acid for Rhodamine B degradation

Wahyuningsih¹,

Sulistyono²,

Pramono³

et al. 2016

AIP Conference Proceedings

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Abstract. Preparation of Fe2O3/TiO2 composite from Bengkulu iron sand via roasting, leaching and co-precipitation treatment has been carried out. Roasting was performed at 800 °C by addition of sodium disulfide (Na2S) in a various weight ratio of iron sand : Na2S were 1:1; 1:1.5 and 1:2 (w/w), respectively. X-Ray Fluorescence (XRF) analysis result showed that Bengkulu iron sand contained hematite (Fe2O3) about 79.96% and titanium dioxide (TiO2) about 10.53%. While the X-Ray Diffraction (XRD) analysis result of roasted iron sand compositions were rutile TiO2, Fe2O3, (hematite), NaFeO2, NaFeS2, FeO, and Na2TiO3. Leaching process using H2SO4 solution indicated that the H2SO4 concentration had influenced the leaching process of roasted iron sand. The optimum iron sand dissolution reached maximum value about 95.10% using H2SO4 7 N solution treatment. Inductive Coupled Plasma-Optical Emission Spectrometry (ICP-OES) analysis demonstrated the Fe content = 10.8338 g/L and Ti content = 1.5372 g/L. Therefore, the content of Fe2O3:TiO2 in leaching filtrate was 3.125:1 (mol/mol) estimated in pH range of 8-10. Photocatalytic activities of Fe2O3/TiO2 composites exhibited that Rhodamine B could be decomposed up to 57.73% at 60 minutes contact times under visible irradiation using 300 Watt xenon lamp.

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“…The photocatalytic activity of a multimetal oxide system also depends on their compositions in the current year. The twofold metal oxides such as for TiO 2 / Fe 2 O 3 , TiO 2 /SiO 2 TiO 2 /MoO 3 , TiO 2 /WO 3 and TiO 2 /ZrO 2 have been generally considered for their single chemical, physical and photocatalytic properties (Ghorai et al 2011;Do et al 1994;Papp et al 1994;Xu et al 2012;Fu et al 1996).…”

Section: Introductionmentioning

confidence: 99%

TiInCrO6-nanomaterial synthesis, characterization and multi applications

et al. 2015

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In this article, we reported the highly reusable undoped titanium dioxide and doped TiInCrO 6 nanomaterial by simple precipitation method and sonication technique. The prepared nanomaterials were characterized by X-ray diffraction, field-emission scanning electron microscopy with elementary dispersive X-ray, high-resolution transmission electron microscopy, techniques and ultraviolet and visible-diffuse reflectance studies. The influence of operational parameters such as the effect of catalyst loading dye concentration and chemical oxygen demand measurements had also been investigated. The synthesized TiInCrO 6 nanomaterial was proposed as the promising photocatalyst for the degradation of rhodamine B (Rh B) dye and reusability. The mechanism of the photocatalytic effect of the TiInCrO 6 nanomaterial has been discussed. Thus, the use of TiInCrO 6 in water purification showed potential. The photodegradation of Rh B dye was well described by pseudo-first-order kinetics and high quantum yield. The photovoltaic characterization had been studied, cyclic voltammogram measurements. The antibacterial activity of the prepared nanomaterials had been investigated against Gram negative Escherichia coli and Gram positive Staphylococcus aureus bacterial strains.

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Photocatalytic performance of nano-photocatalyst from TiO2 and Fe2O3 by mechanochemical synthesis

Cited by 104 publications

References 46 publications

Effect of surface Fe2O3 clusters on the photocatalytic activity of TiO2 for phenol degradation in water

Effect of surface Fe2O3 clusters on the photocatalytic activity of TiO2 for phenol degradation in water

Preparation of Fe2O3/TiO2 composite from Bengkulu iron sand using sulphuric acid for Rhodamine B degradation

TiInCrO6-nanomaterial synthesis, characterization and multi applications

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