External oxidant-free remediation of antibiotics: Activation of oxygen molecules to generate hydroxyl radicals using Co-Fe3S4 nanoflowers

Tan, Xianjun; Ding, Wenhui; Keller, Arturo A.; Huang, Yuxiong

doi:10.1016/j.cej.2023.142465

Cited by 7 publications

(2 citation statements)

References 55 publications

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“…Therefore, the peaks at 466.2 and 460.5 eV are related to Ti 2p 1/2 and Ti 2p 3/2 , respectively . In the Fe 2p spectrum presented in Figure c, the peaks located at 710.8 (2p 3/2 ) and 722.2 eV (2p 1/2 ) can be well fitted to Fe 2+ , and the peaks appeared at 714.2 (2p 3/2 ) and 724.1 eV (2p 1/2 ) are assigned to Fe 3+ in the Fe 3 S 4 component. , Moreover, for the S 2p spectrum in Figure d, the peaks at 160.2 (2p 3/2 ) and 162.5 eV (2p 1/2 ) can be indexed to S 2– ions, and a peak at 164.9 eV corresponds to the S n 2– . Lattice oxygen and water molecules adsorbed on the nanocomposite were determined by deconvolution of the O 1s spectrum (Figure e).…”

Section: Resultsmentioning

confidence: 85%

“…36 In the Fe 2p spectrum presented in Figure 4c, the peaks located at 710.8 (2p 3/2 ) and 722.2 eV (2p 1/2 ) can be well fitted to Fe 2+ , and the peaks appeared at 714.2 (2p 3/2 ) and 724.1 eV (2p 1/2 ) are assigned to Fe 3+ in the Fe 3 S 4 component. 37,38 Moreover, for the S 2p spectrum in Figure 4d, the peaks at 160.2 (2p 3/2 ) and 162.5 eV (2p 1/2 ) can be indexed to S 2− ions, and a peak at 164.9 eV corresponds to the S n 2−…”

Section: Resultsmentioning

confidence: 98%

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TiO₂ Quantum Dots/Fe₃S₄ Heterojunction Nanocomposites for Efficient Ammonia Production through Nitrogen Fixation upon Simulated Sunlight

Pournemati,

Habibi-Yangjeh,

Khataee

2024

ACS Appl. Nano Mater.

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Using semiconductor photocatalysts instead of the traditional Haber−Bosch procedure to produce ammonia is a promising strategy to save energy and prevent environmental pollution. Therefore, finding a suitable photocatalyst with high efficiency and stability has become one of the big challenges of research communities in the field of heterogeneous photocatalysis. Herein, S-scheme TiO 2 quantum dots (QDs)/Fe 3 S 4 heterojunction photocatalysts were synthesized through a hydrothermal route. The nitrogen photofixation measurements exhibited that the TiO 2 QDs/Fe 3 S 4 photocatalysts have excellent activities, where the generation of NH 3 by the optimized nanocomposite reached 16,624 μmol L −1 g −1 upon simulated sunlight. This amount was almost 19.9, 6.30, and 2.85 times as high as those of TiO 2 , TiO 2 QDs, and Fe 3 S 4 photocatalysts, respectively. The promoted photocatalytic ability was devoted to outstanding visiblelight absorption, accelerated segregation of photoinduced electron−hole pairs, and enhanced surface area. The key purpose of this research was the rational design of a photocatalyst based on TiO 2 QDs through a one-pot and facile fabrication procedure, which exhibits admirable performance in the field of photocatalytic nitrogen fixation. Considering the advantages of binary TiO 2 QDs/ Fe 3 S 4 photocatalysts, it is anticipated that this photocatalyst could be utilized in solar energy conversion processes.

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Section: Resultsmentioning

confidence: 85%

Section: Resultsmentioning

confidence: 98%

TiO₂ Quantum Dots/Fe₃S₄ Heterojunction Nanocomposites for Efficient Ammonia Production through Nitrogen Fixation upon Simulated Sunlight

Pournemati,

Habibi-Yangjeh,

Khataee

2024

ACS Appl. Nano Mater.

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MOF‐Derived Nanoparticles with Enhanced Acoustical Performance for Efficient Mechano‐Sonodynamic Therapy

Pan,

Huang,

Guo

et al. 2024

Advanced Materials

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Ultrasound (US) generates toxic reactive oxygen species (ROS) by acting on sonosensitizers for cancer treatment, and the mechanical damage induced by cavitation effects under US is equally significant. Therefore, designing a novel sonosensitizer that simultaneously possesses efficient ROS generation and enhanced mechanical effects is promising. In this study, carbon‐doped zinc oxide nanoparticles (C‐ZnO) are constructed for mechano‐sonodynamic cancer therapy. The presence of carbon (C) doping optimizes the electronic structure, thereby enhancing the ROS generation triggered by US, efficiently inducing tumor cell death. On the other hand, the high specific surface area and porous structure brought about by C doping enable C‐ZnO to enhance the mechanical stress induced by cavitation bubbles under US irradiation, causing severe mechanical damage to tumor cells. Under the dual effects of sonodynamic therapy (SDT) and mechanical therapy mediated by C‐ZnO, excellent anti‐tumor efficacy is demonstrated both in vitro and in vivo, along with a high level of biological safety. This is the first instance of utilizing an inorganic nanomaterial to achieve simultaneous enhancement of ROS production and US‐induced mechanical effects for cancer therapy. This holds significant importance for the future development of novel sonosensitizers and advancing the applications of US in cancer treatment.

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One-step process for debromination and mineralization of tetrabromobisphenol a by a layered double oxide-supported sulfurized nanoscale zero-valent iron under ambient conditions

Li,

Zhang,

Zhang

et al. 2024

Chemical Engineering Journal

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External oxidant-free remediation of antibiotics: Activation of oxygen molecules to generate hydroxyl radicals using Co-Fe3S4 nanoflowers

Cited by 7 publications

References 55 publications

TiO₂ Quantum Dots/Fe₃S₄ Heterojunction Nanocomposites for Efficient Ammonia Production through Nitrogen Fixation upon Simulated Sunlight

TiO₂ Quantum Dots/Fe₃S₄ Heterojunction Nanocomposites for Efficient Ammonia Production through Nitrogen Fixation upon Simulated Sunlight

MOF‐Derived Nanoparticles with Enhanced Acoustical Performance for Efficient Mechano‐Sonodynamic Therapy

One-step process for debromination and mineralization of tetrabromobisphenol a by a layered double oxide-supported sulfurized nanoscale zero-valent iron under ambient conditions

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External oxidant-free remediation of antibiotics: Activation of oxygen molecules to generate hydroxyl radicals using Co-Fe3S4 nanoflowers

Cited by 7 publications

References 55 publications

TiO2 Quantum Dots/Fe3S4 Heterojunction Nanocomposites for Efficient Ammonia Production through Nitrogen Fixation upon Simulated Sunlight

TiO2 Quantum Dots/Fe3S4 Heterojunction Nanocomposites for Efficient Ammonia Production through Nitrogen Fixation upon Simulated Sunlight

MOF‐Derived Nanoparticles with Enhanced Acoustical Performance for Efficient Mechano‐Sonodynamic Therapy

One-step process for debromination and mineralization of tetrabromobisphenol a by a layered double oxide-supported sulfurized nanoscale zero-valent iron under ambient conditions

Contact Info

Product

Resources

About

TiO₂ Quantum Dots/Fe₃S₄ Heterojunction Nanocomposites for Efficient Ammonia Production through Nitrogen Fixation upon Simulated Sunlight

TiO₂ Quantum Dots/Fe₃S₄ Heterojunction Nanocomposites for Efficient Ammonia Production through Nitrogen Fixation upon Simulated Sunlight