Study on Photocatalytic Activity of Cage-Like PAM/YMnO3 Composite Photocatalyst

Zhang, Xiaoyan; Liu, Xiaohong; Wang, Yanfeng; Tong, Beibei; Zhang, Junle

doi:10.1134/s0036024423020310

Cited by 2 publications

(3 citation statements)

References 46 publications

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“…For all samples, four obvious characteristic peaks at 3,453, 1,645, 627, and 468 cm −1 can be observed. The peaks at 3,453 and 1,645 cm −1 can be assigned to the stretching vibration of O-H and the bending vibration of H-O-H of absorbed water, respectively ( Wu et al, 2019 ; Zhang et al, 2022 ; Dang et al, 2024 ; Zhu et al, 2024 ). The presence of adsorbed water is mainly due to the absorption of water by the sample during storage and the use of potassium bromide during testing.…”

Section: Resultsmentioning

confidence: 99%

“…(1) The optical band gap value of YMO was improved by ion doping, and its photocatalytic activity was also increased ( Zhang et al, 2011 ; Munisha et al, 2023 ). (2) The photocatalytic activity of YMO was enhanced by combining with other semiconductors with excellent photocatalytic performance ( Cao et al, 2018 ; Wu et al, 2019 ; Wang and Song, 2020 ; Wang and Tian, 2020 ; You et al, 2020 ; Wang et al, 2022 ; Zhang et al, 2022 ; Li et al, 2023 ; Wang et al, 2023 ; Yulizar et al, 2023 ; Dang et al, 2024 ). However, no one has yet synthesized SO 4 2- surface decorated YMO (YMO-SO) photocatalyst to enhance the photocatalytic activity of YMO by a simple heat-treating YMO with sulfuric acid.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis and full-spectrum-responsive photocatalytic activity from UV/Vis to near-infrared region of S-O decorated YMnO3 nanoparticles for photocatalytic degradation of ibuprofen

Feng

2024

Front. Chem.

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The oxalic acid complexation method and sulfuric acid heat treatment method were used to synthesize the YMnO3 (YMO) and YMO-SO42- (YMO-SO) photocatalysts. The YMO-SO photocatalyst maintained the crystal structure of YMO, but the particle size increased slightly and the optical band gap decreased significantly. The YMO-SO photocatalyst demonstrates a wide range of light absorption capabilities, covering ultraviolet, visible and near-infrared light. The photocatalytic activity of YMO-SO was investigated with ibuprofen as the target pollutant. The YMO-SO photocatalyst exhibits high ultraviolet (UV), visible and near-infrared photocatalytic activity. Experiments with different environmental parameters confirmed that the best catalyst content was 1 g/L, the best drug concentration was 75 mg/L and the best pH value was 7. The capture experiment, free radical detection experiment and photocatalytic mechanism analysis confirmed that the main active species of YMO-SO photocatalyst were hole and superoxide free radical.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Synthesis and full-spectrum-responsive photocatalytic activity from UV/Vis to near-infrared region of S-O decorated YMnO3 nanoparticles for photocatalytic degradation of ibuprofen

Feng

2024

Front. Chem.

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“…2) The modification of metal particles on the surface of YMO enhances its active site, thus enhancing the catalytic activity of YMO ( González-Castaño et al, 2021 ). 3) The photocatalytic activity of the system was enhanced by introducing another semiconductor material to form the YMO-base heterojunction ( Cao et al, 2018 ; Wu et al, 2019 ; Wang and Song, 2020 ; Wang and Tian, 2020 ; You et al, 2020 ; Wang et al, 2022 ; Zhang et al, 2022 ; Li et al, 2023 ; Wang et al, 2023 ; Yulizar et al, 2023 ; Dang et al, 2024 ). The construction of heterojunction is an effective method to improve the photocatalytic activity of YMO.…”

Section: Introductionmentioning

confidence: 99%

Photocatalytic activity and mechanism of YMnO3/NiO photocatalyst for the degradation of oil and gas field wastewater

Zhu,

Cheng,

Cui

et al. 2024

Front. Chem.

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One-step hydrothermal method has been used to synthesize YMnO3@NiO (YMO@NO) photocatalysts with high photocatalytic activity for the degradation of oil and gas field wastewater under simulated solar irradiation. Through various characterization methods, it has been confirmed that the YMO@NO photocatalyst comprises only YMO and NO, without any other impurities. The microstructure characterization confirmed that the YMO@NO photocatalyst was composed of large squares and fine particles, and heterojunction was formed at the interface of YMO and NO. The optical properties confirm that the YMO@NO photocatalyst has high UV-vis optical absorption coefficient, suggesting that it has high UV-vis photocatalytic activity. Taking oil and gas field wastewater as degradation object, YMO@NO photocatalyst showed the highest photocatalytic activity (98%) when the catalyst content was 1.5 g/L, the mass percentage of NO was 3%, and the irradiation time was 60 min. Capture and stability experiments confirm that the YMO@NO photocatalyst is recyclable and electrons, holes, hydroxyl radicals and superoxide radicals play major roles in the photocatalysis process. Based on experiments and theoretical calculations, a reasonable photocatalytic mechanism of the YMO@NO photocatalyst is proposed.

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Study on Photocatalytic Activity of Cage-Like PAM/YMnO3 Composite Photocatalyst

Cited by 2 publications

References 46 publications

Synthesis and full-spectrum-responsive photocatalytic activity from UV/Vis to near-infrared region of S-O decorated YMnO3 nanoparticles for photocatalytic degradation of ibuprofen

Synthesis and full-spectrum-responsive photocatalytic activity from UV/Vis to near-infrared region of S-O decorated YMnO3 nanoparticles for photocatalytic degradation of ibuprofen

Photocatalytic activity and mechanism of YMnO3/NiO photocatalyst for the degradation of oil and gas field wastewater

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