Photocatalytic degradation of organic pollutant with polypyrrole nanostructures under UV and visible light

Yuan, Xiaojiao; Floresyona, Dita; Aubert, Pierre-Henri; Bui, Thanh‐Tuân; Rémita, Samy; Ghosh, Srabanti; Brisset, François; Goubard, Fabrice; Remita, Hynd

doi:10.1016/j.apcatb.2018.10.002

Cited by 149 publications

(76 citation statements)

References 80 publications

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“…The accumulation of ADOC and other surfactant-like organic matter is driven by rising bubbles with chemicals accumulated at the air-water interface and by ADOC attachment to buoyant particles from subsurface waters ( Hunter, 2009 ). Removal processes of ADOC in the SML are volatilization and sea-spray aerosolization ( Ehrenhauser et al, 2014 ), photodegradation ( King et al, 2014 ; Yuan et al, 2019 ), settling of particulate matter, and microbial degradation ( Coelho et al, 2011 , 2013 ).…”

Section: Introductionmentioning

confidence: 99%

Large Enrichment of Anthropogenic Organic Matter Degrading Bacteria in the Sea-Surface Microlayer at Coastal Livingston Island (Antarctica)

et al. 2020

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The composition of bacteria inhabiting the sea-surface microlayer (SML) is poorly characterized globally and yet undescribed for the Southern Ocean, despite their relevance for the biogeochemistry of the surface ocean. We report the abundances and diversity of bacteria inhabiting the SML and the subsurface waters (SSL) determined from a unique sample set from a polar coastal ecosystem (Livingston Island, Antarctica). From early to late austral summer (January-March 2018), we consistently found a higher abundance of bacteria in the SML than in the SSL. The SML was enriched in some Gammaproteobacteria genus such as Pseudoalteromonas, Pseudomonas, and Colwellia, known to degrade a wide range of semivolatile, hydrophobic, and surfactant-like organic pollutants. Hydrocarbons and other synthetic chemicals including surfactants, such as perfluoroalkyl substances (PFAS), reach remote marine environments by atmospheric transport and deposition and by oceanic currents, and are known to accumulate in the SML. Relative abundances of specific SMLenriched bacterial groups were significantly correlated to concentrations of PFASs, taken as a proxy of hydrophobic anthropogenic pollutants present in the SML and its stability. Our observations provide evidence for an important pollutant-bacteria interaction in the marine SML. Given that pollutant emissions have increased during the Anthropocene, our results point to the need to assess chemical pollution as a factor modulating marine microbiomes in the contemporaneous and future oceans.

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Section: Introductionmentioning

confidence: 99%

Large Enrichment of Anthropogenic Organic Matter Degrading Bacteria in the Sea-Surface Microlayer at Coastal Livingston Island (Antarctica)

et al. 2020

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“…36 The synergistic effect is revealed by the combination of the organic phase and the inorganic phase, as improved photo-catalytic performance compared to each single component is exhibited due to better electron transfer ability through multiple redox pairs. So far, PPy has been conrmed to effectively enhance the photocatalytic performance of semiconductor photo-catalysts, 37 such as BiOI@PPy, 38 TiO 2 @PPy, 39 Fe 3 O 4 @PPy, 40 etc. Moreover, Yu et al 41 found that PPy showed better enzyme-mimic activity than that of horseradish peroxidase (HRP) in catalyzing the decomposition of hydrogen peroxide.…”

Section: Introductionmentioning

confidence: 99%

Magnetic recyclable CoFe₂O₄@PPy prepared by in situ Fenton oxidization polymerization with advanced photo-Fenton performance

et al. 2020

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“…Polypyrrole is another important conductive polymer for the fabrication of polymeric photocatalysts. Yuan et al reported the study of photocatalytic activity of pristine polypyrrole nanostructures (PPy–NS) on photodegradation of organic pollutants, such as phenol and MO [ 57 ]. The study showed that the photocatalytic performance of PPy was affected by the fabrication method and type of light irradiated.…”

Section: Polypyrrole Based Photocatalystsmentioning

confidence: 99%

Recent Developments about Conductive Polymer Based Composite Photocatalysts

2019

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Conductive polymers have been widely investigated in various applications. Several conductive polymers, such as polyaniline (PANI), polypyrrole (PPy), poly(3,4-ethylenedioxythiophene) (PEDOT)), and polythiophene (PTh) have been loaded with various semiconductor nanomaterials to prepare the composite photocatalysts. However, a critical review of conductive polymer-based composite photocatalysts has not been available yet. Therefore, in this review, we summarized the applications of conductive polymers in the preparation of composite photocatalysts for photocatalytic degradation of hazardous chemicals, antibacterial, and photocatalytic hydrogen production. Various materials were systematically surveyed to illustrate their preparation methods, morphologies, and photocatalytic performances. The synergic effect between conductive polymers and semiconductor nanomaterials were observed for a lot of composite photocatalysts. The band structures of the composite photocatalysts can be analyzed to explain the mechanism of their enhanced photocatalytic activity. The incorporation of conductive polymers can result in significantly improved visible-light driven photocatalytic activity by enhancing the separation of photoexcited charge carriers, extending the light absorption range, increasing the adsorption of reactants, inhibiting photo-corrosion, and reducing the formation of large aggregates. This review provides a systematic concept about how conductive polymers can improve the performance of composite photocatalysts.

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Photocatalytic degradation of organic pollutant with polypyrrole nanostructures under UV and visible light

Cited by 149 publications

References 80 publications

Large Enrichment of Anthropogenic Organic Matter Degrading Bacteria in the Sea-Surface Microlayer at Coastal Livingston Island (Antarctica)

Large Enrichment of Anthropogenic Organic Matter Degrading Bacteria in the Sea-Surface Microlayer at Coastal Livingston Island (Antarctica)

Magnetic recyclable CoFe₂O₄@PPy prepared by in situ Fenton oxidization polymerization with advanced photo-Fenton performance

Recent Developments about Conductive Polymer Based Composite Photocatalysts

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Photocatalytic degradation of organic pollutant with polypyrrole nanostructures under UV and visible light

Cited by 149 publications

References 80 publications

Large Enrichment of Anthropogenic Organic Matter Degrading Bacteria in the Sea-Surface Microlayer at Coastal Livingston Island (Antarctica)

Large Enrichment of Anthropogenic Organic Matter Degrading Bacteria in the Sea-Surface Microlayer at Coastal Livingston Island (Antarctica)

Magnetic recyclable CoFe2O4@PPy prepared by in situ Fenton oxidization polymerization with advanced photo-Fenton performance

Recent Developments about Conductive Polymer Based Composite Photocatalysts

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Magnetic recyclable CoFe₂O₄@PPy prepared by in situ Fenton oxidization polymerization with advanced photo-Fenton performance