Influence of surfactant on the synthesis of BiOCl/WO3 microcomposites for enhanced adsorption in aqueous solutions

Adhikari, Sangeeta; Kim, Do‐Heyoung

doi:10.1007/s11814-018-0167-9

Korean J. Chem. Eng.

2018

DOI: 10.1007/s11814-018-0167-9

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Influence of surfactant on the synthesis of BiOCl/WO3 microcomposites for enhanced adsorption in aqueous solutions

Sangeeta Adhikari

Do‐Heyoung Kim

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Cited by 11 publications

(1 citation statement)

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“…Adhikari &Kim 2018, etc. Through different preparation methods, BiOCl photocatalyst will show different morphologies, and its photocatalytic performance will also show different differences.…”

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confidence: 99%

Degradation of ciprofloxacin by persulfate activated by Fe(III)-doped BiOCl composite photocatalyst

Liu

Lin

et al. 2023

Environ Sci Pollut Res

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Fe-BOC-X photocatalyst was successfully prepared by solvothermal method. The photocatalytic activity of Fe-BOC-X was determined by cipro oxacin (CIP), a typical uoroquinolone antibiotic. Under sunlight irradiation, all Fe-BOC-X showed better CIP removal performance than original BiOCl. In comparison, the photocatalyst with iron content of 50 wt% (Fe-BOC-3) has excellent structural stability and the best adsorption photodegradation e ciency. The removal rate of CIP (10 mg/l) by Fe-BOC-3 (0.6 g/L) reached 81.4% within 90 min. At the same time, the effects of photocatalyst dosage, pH, persulfate, persulfate concentration and combinations of different systems (PS, Fe-BOC-3, Vis/PS, Vis/Fe-BOC-3, Fe-BOC-3/PS and Vis/Fe-BOC-3/PS) on the reaction were systematically discussed. Reactive species trapping experiments, electron spin resonance (ESR) signals revealed that the photo-generated holes ( ), hydroxyl radical ( ), sulfate radical ( ) and superoxide radical ( ) played an important role in CIP degradation, hydroxyl radicals ( ) and sulfate radicals ( ) play a major role. Various characterization methods have demonstrated that Fe-BOC-X has larger speci c surface area and pore volume than original BiOCl. UV-vis DRS indicate that Fe-BOC-X has wider visible light absorption and faster photocarrier transfer, and provides abundant surface oxygen absorption sites for effective molecular oxygen activation. Accordingly, a large number of active species were produced and participated in the photocatalytic process, thus effectively promoting the degradation of cipro oxacin. Based on HPLC-MS analysis, two possible decomposition pathways of CIP were nally proposed. The main degradation pathways of CIP are mainly due to the high electron density of piperazine ring in CIP molecule, which is mainly attacked by various free radicals. The main reactions include piperazine ring opening, decarbonylation, decarboxylation and uorine substitution. This study can better open up a new way for the design of visible light driven photocatalyst and provide more ideas for the removal of CIP in water environment.

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Degradation of ciprofloxacin by persulfate activated by Fe(III)-doped BiOCl composite photocatalyst

Liu

Lin

et al. 2023

Environ Sci Pollut Res

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Facile Preparation of h‐WO₃/Carbon Cloth Nanocomposite and Its Electrochemical Properties for Supercapacitors

Wang

Liu

et al. 2020

ChemistrySelect

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Electrode active materials play a key role in electrochemical performance of supercapacitors, thus researches on the electrode active materials with better characteristics is significative to develop the actual application of supercapacitors. Here, a new hierarchical architecture composed of hexagonal phase WO3 have been successfully prepared on carbon cloth (h‐WO3/CC) through a facile and effective two‐step method: hydrothermal approach and a post‐annealing process. For three electrode system tests, the composite electrode exhibits a large capacitance of up to 2918 mF cm−2 at a current density of 8 mA cm−2, 417 F g−1 at a scan rate of 5 mV s−1 and well reliability with almost no decrease after 5000 cycles in the presence of H2SO4 electrolyte. Furthermore, it can be constructed into a symmetric button capacitor for two electrode systems, which demonstrates outstanding rate capability and long cycling life. The excellent performance of h‐WO3/CC electrode principally attributes to the high surface area originating from the hierarchical architecture, the low internal resistance form WO3 which grows on the carbon cloth directly and multichannel structure of hexagonal crystal.

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Synthesis of MoOx nanostructures with the assistance of polymeric surfactants for dye removal from water

Tahmasebi

Khalildashti

2020

Korean J. Chem. Eng.

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Influence of surfactant on the synthesis of BiOCl/WO3 microcomposites for enhanced adsorption in aqueous solutions

Cited by 11 publications

References 45 publications

Degradation of ciprofloxacin by persulfate activated by Fe(III)-doped BiOCl composite photocatalyst

Degradation of ciprofloxacin by persulfate activated by Fe(III)-doped BiOCl composite photocatalyst

Facile Preparation of h‐WO₃/Carbon Cloth Nanocomposite and Its Electrochemical Properties for Supercapacitors

Synthesis of MoOx nanostructures with the assistance of polymeric surfactants for dye removal from water

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Influence of surfactant on the synthesis of BiOCl/WO3 microcomposites for enhanced adsorption in aqueous solutions

Cited by 11 publications

References 45 publications

Degradation of ciprofloxacin by persulfate activated by Fe(III)-doped BiOCl composite photocatalyst

Degradation of ciprofloxacin by persulfate activated by Fe(III)-doped BiOCl composite photocatalyst

Facile Preparation of h‐WO3/Carbon Cloth Nanocomposite and Its Electrochemical Properties for Supercapacitors

Synthesis of MoOx nanostructures with the assistance of polymeric surfactants for dye removal from water

Contact Info

Product

Resources

About

Facile Preparation of h‐WO₃/Carbon Cloth Nanocomposite and Its Electrochemical Properties for Supercapacitors