Photocatalytic degradation of basic blue 9 by CoS nanoparticles supported on AlMCM-41 material as a catalyst

Sohrabnezhad, Sh.; Pourahmad, Afshin; Radaee, Elham

doi:10.1016/j.jhazmat.2009.04.108

Cited by 86 publications

(21 citation statements)

References 29 publications

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“…For this purpose, methylene blue was chosen as analyte. The molecule is an industrial dye and is a common pollutant ,. This dye can irritate the skin or eyes, inhalation can lead to diseases like methemoglobinemia or cyanosis and ingestion can cause varied gastrointestinal issues …”

Section: Resultsmentioning

confidence: 99%

“…The molecule is an industrial dye and is a common pollutant. [39,40] This dye can irritate the skin or eyes, inhalation can lead to diseases like methemoglobinemia or cyanosis and ingestion can cause varied gastrointestinal issues. [41] We can first analyze the electrochemical responses observed in a solution containing 100 mM of methylene blue.…”

Section: Electrochemical and Spectral Detection Of Industrial Dyesmentioning

confidence: 99%

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Highly Interconnected Macroporous and Transparent Indium Tin Oxide Electrode

et al. 2017

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A macroporous indium tin oxide (ITO) electrode has been obtained by electrospinning nanofibers from polyvinylpyrrolidone and ITO precursors on a fused silica substrate covered by polystyrene, followed by a heat treatment that induced a drastic modification in the material texture. The resulting electrode structure is consisting of highly interconnected nanofilaments of sizes between 70 and 170 nm. The electrode is robust, fixed to the substrate, transparent in the visible light region, and possesses excellent electrochemical properties in comparison to a planar ITO electrode, that is, improved reversibility with ferrocenedimethanol and greatly enhanced oxidation for ascorbic acid. SEM and XRD measurements confirm ITO formation. This porous ITO electrode can be modified electrochemically with mesostructured methylated silica and applied to a combined electrochemical and spectral detection of industrial dyes (methylene blue, Meldola's blue, and methylene green) from water. For methylene blue analysis, a linear range of detection between 20 nM and 2 μM and a limit of detection of 17 nM are observed. Finally, the spectroelectrochemical analysis of a solution with mixed dyes has been performed.

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Section: Resultsmentioning

confidence: 99%

Section: Electrochemical and Spectral Detection Of Industrial Dyesmentioning

confidence: 99%

Highly Interconnected Macroporous and Transparent Indium Tin Oxide Electrode

et al. 2017

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“…These cobalt sulfides have shown great potential for use in LIBs, [18,[23][24][25] semiconductors, [26] magnets, catalysts, [12,13,[27][28][29][30] and photocatalytic degradation. [32] The thermal stability and electrical conductivity of cobalt sulfides are much better than those of other metal sulfides, [23] however, they have a number of major drawbacks, namely Abstract: Cobalt sulfide is a good candidate for both lithium ion batteries (LIBs) and cathodic oxygen reduction reaction (ORR), but low conductivity, poor cyclability, capacity fading, and structural changes hinder its applications. The incorporation of graphene into Co 3 S 4 makes it a promising electrode by providing better electrochemical coupling, enhanced conductivity, fast mobility of ions and electrons, and a stabilized structure due to its elastic nature.…”

Section: Introductionmentioning

confidence: 99%

Multifunctional Co₃S₄/Graphene Composites for Lithium Ion Batteries and Oxygen Reduction Reaction

Mahmood

Zhang

Jiang

et al. 2013

Chemistry A European J

221

181

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Cobalt sulfide is a good candidate for both lithium ion batteries (LIBs) and cathodic oxygen reduction reaction (ORR), but low conductivity, poor cyclability, capacity fading, and structural changes hinder its applications. The incorporation of graphene into Co3S4 makes it a promising electrode by providing better electrochemical coupling, enhanced conductivity, fast mobility of ions and electrons, and a stabilized structure due to its elastic nature. With the objective of achieving high-performance composites, herein we report a facile hydrothermal process for growing Co3S4 nanotubes (NTs) on graphene (G) sheets. Electrochemical impedance spectroscopy (EIS) verified that graphene dramatically increases the conductivity of the composites to almost twice that of pristine Co3S4. Electrochemical measurements indicated that the as-synthesized Co3S4/G composites exhibit good cyclic stability and a high discharge capacity of 720 mA h g(-1) up to 100 cycles with 99.9% coulombic efficiency. Furthermore, the composites react with dissolved oxygen in the ORR by four- and two-electron mechanisms in both acidic and basic media with an onset potential close to that of commercial Pt/C. The stability of the composites is much higher than that of Pt/C, and exhibit high methanol tolerance. Thus, these properties endorse Co3 S4 /G composites as auspicious candidates for both LIBs and ORR.

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“…There are several methods to synthesize transitional metal chalcogenides, including ultrasonic chemical method, hydrothermal method, simple templatefree one-pot method, an ion-exchange and precipitation methods, simple microwave-assisted solvothermal process, and surface modification method [5][6][7][8][9][10][11][12]. The following sections explore the most common preparation methods of TMCs.…”

Section: Different Preparation Methodsmentioning

confidence: 99%

Transition Metal Chalcogenide (TMC) Nanocomposites for Environmental Remediation Application over Extended Solar Irradiation

Shanmugaratnam¹,

Rasalingam²

2019

Nanocatalysts

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Demand for environmental protection is gaining more public attention and legislative support. The development in industrial and technological sectors results in severe environmental issues, such as environmental contamination and energy shortage. Therefore, the development of new nanocomposites that can effectively act toward environmental remediation is necessary to overcome the detrimental environmental impacts. Transition metal chalcogenides (TMC) have gained worldwide attention in recent decades and are being researched for use in different applications due to their indirect bandgaps, optoelectronic behavior, and their stability that can enable the catalysts to absorb visible light that is abundant in solar radiation. In this chapter, synthesis, characterization, and application of TMCs, such as MS x and MSe x , toward environmental remediation application are reviewed. Efficiency of different TMC materials and different experimental conditions is also elaborated.

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Photocatalytic degradation of basic blue 9 by CoS nanoparticles supported on AlMCM-41 material as a catalyst

Cited by 86 publications

References 29 publications

Highly Interconnected Macroporous and Transparent Indium Tin Oxide Electrode

Highly Interconnected Macroporous and Transparent Indium Tin Oxide Electrode

Multifunctional Co₃S₄/Graphene Composites for Lithium Ion Batteries and Oxygen Reduction Reaction

Transition Metal Chalcogenide (TMC) Nanocomposites for Environmental Remediation Application over Extended Solar Irradiation

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Photocatalytic degradation of basic blue 9 by CoS nanoparticles supported on AlMCM-41 material as a catalyst

Cited by 86 publications

References 29 publications

Highly Interconnected Macroporous and Transparent Indium Tin Oxide Electrode

Highly Interconnected Macroporous and Transparent Indium Tin Oxide Electrode

Multifunctional Co3S4/Graphene Composites for Lithium Ion Batteries and Oxygen Reduction Reaction

Transition Metal Chalcogenide (TMC) Nanocomposites for Environmental Remediation Application over Extended Solar Irradiation

Contact Info

Product

Resources

About

Multifunctional Co₃S₄/Graphene Composites for Lithium Ion Batteries and Oxygen Reduction Reaction