Synthesis of Ag@AgBr/CaTiO3 composite photocatalyst with enhanced visible light photocatalytic activity

Bai, Linyang; Xu, Qingping; Cai, Zhaosheng

doi:10.1007/s10854-018-9861-y

Cited by 22 publications

(6 citation statements)

References 48 publications

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“…AgBr has been extensively studied as a promoter of Ag-based semiconductors. Similar studies, such as with Ag/AgBr/AgVO 3 [19], Ag/AgBr-Bi 2 MoO 6 [20], Ag@AgBr/CaTiO 3 [21] and Ag/AgBr@InVO 4 [22], have also confirmed that AgBr is promising to prepare efficient and stable photocatalysts.…”

Section: Introductionsupporting

confidence: 68%

Fabrication of a Novel AgBr/Ag2MoO4@InVO4 Composite with Excellent Visible Light Photocatalytic Property for Antibacterial Use

et al. 2020

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A novel AgBr/Ag2MoO4@InVO4 composite photocatalyst with different heterojunction structures was successfully constructed by compounding InVO4 with Ag2MoO4 and AgBr. According to the degradation, antibacterial and free radical trapping data, the photocatalytic antibacterial and antifouling activities of AgBr/Ag2MoO4@InVO4 composite were evaluated, and the corresponding photocatalytic reaction mechanism was proposed. Adding AgBr/Ag2MoO4@InVO4 composite, the degradation rate of ciprofloxacin (CIP) achieved 95.5% within 120 min. At the same time, the antibacterial rates of Escherichia coli (E. coli), Staphylococcus aureus (S. aureus) and Pseudomonas aeruginosa (P. aeruginosa) achieved 99.99%. The AgBr/Ag2MoO4@InVO4 composite photocatalyst showed promising usage in photocatalytic antibacterial and purification areas.

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Section: Introductionsupporting

confidence: 68%

Fabrication of a Novel AgBr/Ag2MoO4@InVO4 Composite with Excellent Visible Light Photocatalytic Property for Antibacterial Use

et al. 2020

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“…Compared to Ag NPs, Au NPs offer an advantage of higher chemical stability. However, there is no work concerned with the Au NPs modified CaTiO 3 photocatalysts, though Ag NPs have been frequently used as a co-catalyst to improve the photocatalytic performance of CaTiO 3 [56,57,58]. Here we also systematically investigated the growth process of CaTiO 3 photocatalysts.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Photocatalytic Performance and Mechanism of Au@CaTiO3 Composites with Au Nanoparticles Assembled on CaTiO3 Nanocuboids

Yan

Yang

et al. 2019

Micromachines

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Using P25 as the titanium source and based on a hydrothermal route, we have synthesized CaTiO3 nanocuboids (NCs) with the width of 0.3–0.5 μm and length of 0.8–1.1 μm, and systematically investigated their growth process. Au nanoparticles (NPs) of 3–7 nm in size were assembled on the surface of CaTiO3 NCs via a photocatalytic reduction method to achieve excellent Au@CaTiO3 composite photocatalysts. Various techniques were used to characterize the as-prepared samples, including X-ray powder diffraction (XRD), scanning/transmission electron microscopy (SEM/TEM), diffuse reflectance spectroscopy (UV-vis DRS), Fourier transform infrared spectroscopy (FTIR), and X-ray photoelectron spectroscopy (XPS). Rhodamine B (RhB) in aqueous solution was chosen as the model pollutant to assess the photocatalytic performance of the samples separately under simulated-sunlight, ultraviolet (UV) and visible-light irradiation. Under irradiation of all kinds of light sources, the Au@CaTiO3 composites, particularly the 4.3%Au@CaTiO3 composite, exhibit greatly enhanced photocatalytic performance when compared with bare CaTiO3 NCs. The main roles of Au NPs in the enhanced photocatalytic mechanism of the Au@CaTiO3 composites manifest in the following aspects: (1) Au NPs act as excellent electron sinks to capture the photoexcited electrons in CaTiO3, thus leading to an efficient separation of photoexcited electron/hole pairs in CaTiO3; (2) the electromagnetic field caused by localized surface plasmon resonance (LSPR) of Au NPs could facilitate the generation and separation of electron/hole pairs in CaTiO3; and (3) the LSPR-induced electrons in Au NPs could take part in the photocatalytic reactions.

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“…79-0149). 17 The AgBr/AgVO 3 photocatalysts had characteristic diffraction peaks that could be indexed to monoclinic-phase AgVO 3 (JCPDS No. 29-1154) and cubic-phase AgBr (JCPDS No.…”

Section: Resultsmentioning

confidence: 99%

“…For pure AgBr, strong peaks occurred at 2q ¼ 30.9 , 44.3 , 55.0 and 73.2 , which can be indexed to the AgBr (200), (220), (222) and (420) planes (JCPDS No. 79-0149) 17. The AgBr/AgVO 3 photocatalysts had characteristic diffraction peaks that could be indexed to monoclinicphase AgVO 3 (JCPDS No.…”

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confidence: 99%

The effective photocatalysis and antibacterial properties of AgBr/AgVO₃ composites under visible-light

Zhang

Wang

et al. 2019

RSC Adv.

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Synthesis of Ag@AgBr/CaTiO3 composite photocatalyst with enhanced visible light photocatalytic activity

Cited by 22 publications

References 48 publications

Fabrication of a Novel AgBr/Ag2MoO4@InVO4 Composite with Excellent Visible Light Photocatalytic Property for Antibacterial Use

Fabrication of a Novel AgBr/Ag2MoO4@InVO4 Composite with Excellent Visible Light Photocatalytic Property for Antibacterial Use

Enhanced Photocatalytic Performance and Mechanism of Au@CaTiO3 Composites with Au Nanoparticles Assembled on CaTiO3 Nanocuboids

The effective photocatalysis and antibacterial properties of AgBr/AgVO₃ composites under visible-light

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Synthesis of Ag@AgBr/CaTiO3 composite photocatalyst with enhanced visible light photocatalytic activity

Cited by 22 publications

References 48 publications

Fabrication of a Novel AgBr/Ag2MoO4@InVO4 Composite with Excellent Visible Light Photocatalytic Property for Antibacterial Use

Fabrication of a Novel AgBr/Ag2MoO4@InVO4 Composite with Excellent Visible Light Photocatalytic Property for Antibacterial Use

Enhanced Photocatalytic Performance and Mechanism of Au@CaTiO3 Composites with Au Nanoparticles Assembled on CaTiO3 Nanocuboids

The effective photocatalysis and antibacterial properties of AgBr/AgVO3 composites under visible-light

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The effective photocatalysis and antibacterial properties of AgBr/AgVO₃ composites under visible-light