Photocatalytic decolourization of brilliant green by Ni doped SnO2 nanoparticles

Ragupathy, S.; Sathya, T.

doi:10.1007/s10854-018-8886-6

Cited by 18 publications

(3 citation statements)

References 37 publications

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“…When MoS 2 and SnO 2 combined with different ratio, MS/SON composite's visible light absorbances were observably enhanced, this observation indicates that interactions between both components have taken effect to absorb the visible light. Compared with other reports, there is a noticeable red shift of the adsorption band edge from 380 to 500 nm. The apparent red shift is due to the transition from the Mo 4d to Sn 5 s and O 2p states .…”

Section: Resultscontrasting

confidence: 84%

“…It is widely believed that the light absorption ability and energy level of a semiconductor have an important influence on their catalytic activity. UV-vis absorbance of MoS 2 and MS/SON composites are recorded and shown in Figure 6 [47,48] there is a noticeable red shift of the adsorption band edge from 380 to 500 nm. The apparent red shift is due to the transition from the Mo 4d to Sn 5 s and O 2p states.…”

Section: Photocatalytic Propertiesmentioning

confidence: 99%

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Insights into the Photoassisted Electrocatalytic Reduction of CO₂ over a Two‐dimensional MoS₂ Nanostructure Loaded on SnO₂ Nanoparticles

Yang

Gao

et al. 2019

ChemElectroChem

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Photoelectrochemical reduction of CO2 to value‐added chemicals and fuels is an attractive strategy to store renewable energy and mitigate greenhouse gas emissions. In this study, based on the density functional theory (DFT) calculation, a two‐dimensional nanostructure MoS2 loaded on SnO2 nanoparticles (MS/SON) was prepared for photoassisted electrocatalytic reduction of CO2 to HCOOH through a two‐step process of facile hydrothermal and pyrolysis method. Through physical structure characterization and photoelectric performance test, the results indicated that the 5 % MS/SON exhibits exclusive HCOOH selectivity, the maximum FE is 43.8 %, the current density reached to 9 mA cm−2 at −1.4 V and the photocurrent value is 12.5 μA cm−2 under 0.5 V bias. The overpotential is as low as 245 mV. Besides, after the introduction of MoS2, there is a red shift in the adsorption band edge from 380 nm to 500 nm, indicating an enhancement of light response; the peak intensity of photoluminescence (PL) decreased, showing that the electron and hole are effectively separated; the values of electrochemical impedance spectroscopy (EIS) and Tafel plots (70 mV dec−1) were smaller than other ratios, demonstrating that the faster charge transfer rate; the proper introduction of MoS2 increased the specific surface area from 47.64 m2 g−1 to 55.99 m2 g−1, which was helpful to expand the number of active sites. It is demonstrated that MS/SON is an excellent CO2 reduction material.

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Section: Resultscontrasting

confidence: 84%

Section: Photocatalytic Propertiesmentioning

confidence: 99%

Insights into the Photoassisted Electrocatalytic Reduction of CO₂ over a Two‐dimensional MoS₂ Nanostructure Loaded on SnO₂ Nanoparticles

Yang

Gao

et al. 2019

ChemElectroChem

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show abstract

“…Sathishkumar and Geethalakshmi have reported the synthesis of Cu:SnO 2 nanoparticles with improved antibacterial and photocatalytic activity under ultraviolet light [15]. Ragupathy and Sathya have shown Ni doping in SnO 2 nanoparticles by chemical precipitation method for increasing the photocatalytic degradation of brilliant green dye to a considerable extent [16]. The effect of Fe doping and surfactant on the photocatalytic behavior of SnO 2 nanoparticles is studied by Sujatha et al [17].…”

Section: Introductionmentioning

confidence: 99%

Effect of Fe Doping on Photocatalytic Dye-Degradation and Antibacterial Activity of SnO₂ Nanoparticles

Preethi¹,

Senthil

Pachamuthu³

et al. 2022

Adsorption Science & Technology

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A simple hydrothermal method is utilized to synthesize iron-doped tin oxide nanoparticles (Fe-SnO2 NPs) at various doping concentrations. The structural characterization using XRD, Raman, and FTIR measurements confirmed the incorporation of Fe ions into the SnO2 lattice without any deviation in the tetragonal crystal system of SnO2 nanoparticles. SEM and HRTEM images show the spherical-shaped nanoparticles with agglomeration. The values of interplanar spacing ( d -value) calculated from the HRTEM lattice are consistent with the XRD results. Further, optical analysis revealed a red shift in the optical absorption band and a decrease in the band gap energy with an increase in Fe-dopant concentration. The decrease of PL emission peak intensity with Fe doping revealed the generation of singly charged oxygen vacancies. The H2O2-assisted photocatalytic degradation efficiency of Fe-SnO2 NPs investigated against crystal violet dye indicated an efficiency of 98% for 0.05 M Fe-SnO2 NPs within 30 minutes under visible light illumination. In addition, the effects of pH, scavengers, and reusability of the catalyst are tested. The antibacterial behavior of Fe-SnO2 NPs against Escherichia coli is examined by using the colony count method, and the inhibition rate was found to be 49, 65, 70, and 78% for pure, 0.01, 0.03, and 0.05 M Fe-SnO2 NPs, respectively.

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Natural sunlight assisted photocatalytic removal of methylene blue and crystal violet dyes using Ni doped tin oxide nanostructures synthesized via chemical and green route

Kaur,

Pahwa,

Sharma

et al. 2024

Appl. Phys. A

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Photocatalytic decolourization of brilliant green by Ni doped SnO2 nanoparticles

Cited by 18 publications

References 37 publications

Insights into the Photoassisted Electrocatalytic Reduction of CO₂ over a Two‐dimensional MoS₂ Nanostructure Loaded on SnO₂ Nanoparticles

Insights into the Photoassisted Electrocatalytic Reduction of CO₂ over a Two‐dimensional MoS₂ Nanostructure Loaded on SnO₂ Nanoparticles

Effect of Fe Doping on Photocatalytic Dye-Degradation and Antibacterial Activity of SnO₂ Nanoparticles

Natural sunlight assisted photocatalytic removal of methylene blue and crystal violet dyes using Ni doped tin oxide nanostructures synthesized via chemical and green route

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Photocatalytic decolourization of brilliant green by Ni doped SnO2 nanoparticles

Cited by 18 publications

References 37 publications

Insights into the Photoassisted Electrocatalytic Reduction of CO2 over a Two‐dimensional MoS2 Nanostructure Loaded on SnO2 Nanoparticles

Insights into the Photoassisted Electrocatalytic Reduction of CO2 over a Two‐dimensional MoS2 Nanostructure Loaded on SnO2 Nanoparticles

Effect of Fe Doping on Photocatalytic Dye-Degradation and Antibacterial Activity of SnO2 Nanoparticles

Natural sunlight assisted photocatalytic removal of methylene blue and crystal violet dyes using Ni doped tin oxide nanostructures synthesized via chemical and green route

Contact Info

Product

Resources

About

Insights into the Photoassisted Electrocatalytic Reduction of CO₂ over a Two‐dimensional MoS₂ Nanostructure Loaded on SnO₂ Nanoparticles

Insights into the Photoassisted Electrocatalytic Reduction of CO₂ over a Two‐dimensional MoS₂ Nanostructure Loaded on SnO₂ Nanoparticles

Effect of Fe Doping on Photocatalytic Dye-Degradation and Antibacterial Activity of SnO₂ Nanoparticles