Temperature-Controlled Synthesis of TiO2 Photocatalyst with Different Crystalline Phases and Its Photocatalytic Activity in the Degradation of Different Mixed Dyes

Pan, Xudong; Tang, Shengnan; Chen, Xiangyu; Líu, Hao; Yu, Chuan; Gao, Qizhi; Zhao, Xinxin; Yang, Hua; Gao, Huajing; Wang, Shifa

doi:10.1134/s0036024422140187

Cited by 6 publications

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“…They can have both magnetic and photoluminescence properties and other properties, especially excellent magnetic properties can make the photocatalyst with high ability of recycling and reducing secondary pollution of water bodies [21][22][23][24][25][26][27][28][29].…”

Section: Introductionmentioning

confidence: 99%

Spinel NiAl2O4 Based Catalysts: Past, Present and Future

Wang

Gao

2023

J. Environ. Sci. Eng. Technol.

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Nickel aluminate (NiAl2O4) is a kind of partially antispinel structure oxide. Because of its excellent electronic structure and energy level structure, high thermal stability and high charge transfer and separation efficiency, it has a potential application prospect in catalytic oxidation, photocatalysis, adsorption and other fields. In this paper, the synthesis methods of different NiAl2O4-based catalysts, their applications in catalytic field and related catalytic mechanisms are reviewed from the appearance of single component NiAl2O4, ion-doped NiAl2O4 and multiheterojunction NiAl2O4 catalysts. The application of NiAl2O4 photocatalysts in the field of photocatalysis has gradually shifted from the degradation of dyes to the degradation of drugs, so its photocatalytic mechanism and degradation path need to be further studied. This review points out the direction for the future research of NiAl2O4 based catalysts in the field of catalysis.

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Section: Introductionmentioning

confidence: 99%

Spinel NiAl2O4 Based Catalysts: Past, Present and Future

Wang

Gao

2023

J. Environ. Sci. Eng. Technol.

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“…Catalysts are preferred materials for the degradation of organic dye wastewater due to their high specific surface area, high charge transfer and separation efficiency, and high degradation activity [1][2][3][4][5][6] . Depending on the different degradation methods of organic dyes, various catalysts, including the photocatalysts, thermal catalysts, electrocatalysts, piezoelectric catalysts, ultrasonic catalysts, and adsorbents have been developed to effectively use of various physical and chemical effects to degrade organic dyes [7][8][9][10][11][12][13] .…”

Section: Introductionmentioning

confidence: 99%

Hexagonal Lead Ferrite Magnetic Separation Catalysts: Synthesis, Optical Characterization, Ultrasonic Catalytic Activity and Performance Prediction

2022

J Mod Polym Chem Mater

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Objective: This study was performed to explore a new method to synthesize PbFe 12 O 19 magnetic separation catalysts and analyze its ultrasonic catalytic activity for the degradation of rhodamine B (RhB) dye under ultrasonic vibration.Methods: A polyacrylamide gel method was developed to synthesize the hexagonal lead ferrite (PbFe 12 O 19 ) magnetic separation catalysts with different Fe/Pb molar ratios and sintering temperatures. Results:The phase structure and composition of PbFe 12 O 19 magnetic separation catalysts altered with the change in the Fe/Pb mole ratio and sintering temperature. The color properties, energy band values and degradation percentages of PbFe 12 O 19 magnetic separation catalysts for the degradation of RhB dye under ultrasonic vibration were linearly independent of Fe/Pb mole ratio and sintering temperature. The maximum degradation percentage of 78.99% for the PbFe 12 O 19 magnetic separation catalysts for the removal of RhB from wastewater was found at 2g/L of initial catalyst concentration, 50mg/L of initial dye concentration, and 180min of vibration time. Conclusion:The PbFe 12 O 19 magnetic separation catalysts exhibited high catalytic activity for the degradation of RhB dye under ultrasonic vibrations. Based on the experiment parameters, a neural network model was established to predict the effect of synthesis parameters on the degradation percentage of PbFe 12 O 19 catalysts. This work further confirmed that the neural network algorithm was available to predict the ultrasonic catalytic activity of semiconductor materials.

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Synthesis and Characterization of BaTiO₃/TiO₂ Heterojunction Photocatalyst for Novel Application in Photocatalytic Degradation of TBBPA under Simulated Sunlight Irradiation

Wang

Chen

et al. 2022

ChemistrySelect

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The polyacrylamide gel method combined with low temperature sintering technology (PGMCLTST) have been used to synthesize the BaTiO 3 /TiO 2 heterojunction photocatalysts. The BaTiO 3 /TiO 2 heterojunction photocatalyst only contains tetragonal BaTiO 3 , rutile TiO 2 and anatase TiO 2 , without any other impurities. Based on a variety of characterization, it was confirmed that a special heterojunction was formed between BaTiO 3 and TiO 2 , and there were a large number of interface defects or oxygen defects in the samples. The BaTiO 3 /10 wt % TiO 2 heterojunction photocatalysts have high photocatalytic activity for the degradation of tetrabromobisphenol A (TBBPA) under simulated sunlight irradiation. The interfacial defects enhance the transfer and separation efficiency of charge carriers in BaTiO 3 /TiO 2 heterojunction photocatalysts. This technique provides a new idea for the application of BaTiO 3 / TiO 2 heterojunction photocatalysts and other heterojunction photocatalysts in the degradation of persistent organic pollutants (POPs).

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Temperature-Controlled Synthesis of TiO2 Photocatalyst with Different Crystalline Phases and Its Photocatalytic Activity in the Degradation of Different Mixed Dyes

Cited by 6 publications

References 38 publications

Spinel NiAl2O4 Based Catalysts: Past, Present and Future

Spinel NiAl2O4 Based Catalysts: Past, Present and Future

Hexagonal Lead Ferrite Magnetic Separation Catalysts: Synthesis, Optical Characterization, Ultrasonic Catalytic Activity and Performance Prediction

Synthesis and Characterization of BaTiO₃/TiO₂ Heterojunction Photocatalyst for Novel Application in Photocatalytic Degradation of TBBPA under Simulated Sunlight Irradiation

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Temperature-Controlled Synthesis of TiO2 Photocatalyst with Different Crystalline Phases and Its Photocatalytic Activity in the Degradation of Different Mixed Dyes

Cited by 6 publications

References 38 publications

Spinel NiAl2O4 Based Catalysts: Past, Present and Future

Spinel NiAl2O4 Based Catalysts: Past, Present and Future

Hexagonal Lead Ferrite Magnetic Separation Catalysts: Synthesis, Optical Characterization, Ultrasonic Catalytic Activity and Performance Prediction

Synthesis and Characterization of BaTiO3/TiO2 Heterojunction Photocatalyst for Novel Application in Photocatalytic Degradation of TBBPA under Simulated Sunlight Irradiation

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Synthesis and Characterization of BaTiO₃/TiO₂ Heterojunction Photocatalyst for Novel Application in Photocatalytic Degradation of TBBPA under Simulated Sunlight Irradiation