Domestic LED light driven methylene blue degradation by g-C3N4-CaCu3Ti4O12 composite

Pal, Kamalesh; Mondal, Arkaprava; Jana, Rajkumar; Ray, Partha Pratim

doi:10.1016/j.apsusc.2018.10.176

Cited by 16 publications

(5 citation statements)

References 38 publications

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“…Pal et al . synthesis CaCu 3 Ti 4 O 12 ‐Carbon nitride composites as catalyst using low temperature thermal treatment (∼150 °C).…”

Section: Applicationsmentioning

confidence: 99%

“…Pal et al [118] synthesis CaCu 3 Ti 4 O 12 -Carbon nitride composites as catalyst using low temperature thermal treatment (~150°C). They investigate the decomposition of methylene blue in the presence of H 2 O 2 activator, in the presence of LED light irradiation and the catalyst.…”

Section: Photocatalytic Propertiesmentioning

confidence: 99%

“…[56,122,123] Wang et al [58] doped CCTO ceramics using Cobalt (Co) by solid-state method. They showed from hysteresis loops, a weak ferromagnetism due to the superexchange interaction along [118]…”

Section: Magnetic Propertiesmentioning

confidence: 99%

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From Synthesis to Applications: Copper Calcium Titanate (CCTO) and its Magnetic and Photocatalytic Properties

et al. 2019

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Investigations focusing on electrical energy storage capacitors especially the dielectric ceramic capacitors for high energy storage density are attracting more and more attention in the recent years. Ceramic capacitors possess a faster charge‐discharge rate and improved mechanical and thermal properties compared with other energy storage devices such as batteries. The challenge is to obtain ceramic capacitors with outstanding mechanical, thermal and storage properties over large temperature and frequencies ranges. ABO 3 as a type of perovskites showed a strong piezoelectric, dielectric, pyroelectric, and electro‐optic properties useful as energy storage and environmental devices. CaCu 3 Ti 4 O 12 (CCTO) perovskite with cubic lattice (Im3 symmetry) was discovered to have a colossal dielectric constant (10 4 ) that is stable over a wide range of frequencies (10 Hz–1 MHz) and temperature independence (100–300 K). The origin of this high dielectric constant is not fully established, specially because it is the same for single crystal and thin films. In this review, the history of CCTO will be introduced. The synthesis and the sintering approaches, the dopant elements used as well as the applications of CCTO will be reported. In addition to dielectrical properties useful to energy storage devices; CCTO could serve as photocatalytic materials with a very good performance in visible light.

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“…Pal et al . synthesis CaCu 3 Ti 4 O 12 ‐Carbon nitride composites as catalyst using low temperature thermal treatment (∼150 °C).…”

Section: Applicationsmentioning

confidence: 99%

Section: Photocatalytic Propertiesmentioning

confidence: 99%

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From Synthesis to Applications: Copper Calcium Titanate (CCTO) and its Magnetic and Photocatalytic Properties

et al. 2019

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“…12 and 42) and h + scavenger 43 respectively, p -benzoquinone ( p BQ) for O 2 ˙ − quenching 12 and dimethyl sulfoxide (DMSO) as photoelectron trapping agent. 11,44 The results about CCTO-GM radical trapping experiments are reported in Fig. 12.…”

Section: Resultsmentioning

confidence: 99%

“…Since this seminal work, several reports have focused on synthesising the CaCu 3 Ti 4 O 12 photocatalyst and applying it to a host of other organic substrates for photodegradation. Attempts to overcome recombination and surface area issues have been made by producing hybrid catalysts, including incorporation of Pt nanoparticles, 4 polymers, 8,9 carbon nanotubes, 10 carbon nitrides 11 and additional metal oxides (zeolites, SiO 2 and TiO 2 ). 12,13 Other work has utilised alternative sol-gel and molten salt routes to improve surface area, control morphology and induce defects in the structure.…”

Section: Introductionmentioning

confidence: 99%

Identification of structural changes in CaCu₃Ti₄O₁₂ on high energy ball milling and their effect on photocatalytic performance

Bartoletti

Gondolini

Sangiorgi

et al. 2023

Catal. Sci. Technol.

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Synthesis of CaxCu3-xTi4O12 Perovskite Materials and House-Hold LED Light Mediated Degradation of Rhodamine Blue Dye

Saikia

Sarmah

Ahmed

et al. 2021

J Inorg Organomet Polym

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This report describes a comparative study of dye degradation under 20-watt LED light using the perovskite photocatalyst Calcium Copper Titanate (CCTO) and its compositions (CaxCu3-xTi4O12) (x=1, 1.5 and 2), synthesized by changing molar ratios of Ca 2+ and Cu 2+ ions. The 99.74% degradation of Rhodamine Blue (RhB) with composition (x=1) within 6 h is reflected its better photocatalytic activity than the parent CCTO and other compositions. The band gap energy of the materials 2.18 eV (CCTO), 1.93 eV (x=1), 2.40 eV (x=1.5), and 2.55 eV (x=2) are analysed with UV-Vis spectroscopy. The presences of Ca, Cu, Ti and O in the synthesized photocatalysts are confirmed with Elemental X-ray Dispersive (EDX) analysis. The cubic phases in the polyhedral shape of the materials are detected in Xray diffraction and Scanning Electron Microscopy (SEM). This report further observes the defect density concentrations of the materials with Photoluminescence Spectroscopy (PL) and provides the approximate explanation of their dye degradation performance as photocatalysts.The rate constants are found in a first order reaction trend; where the composition (x=1)shows about 1.683×10 -2 min -1 . The mechanistic understanding of the degradation process is also revisited and rationalized with different scavengers for the process.

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Domestic LED light driven methylene blue degradation by g-C3N4-CaCu3Ti4O12 composite

Cited by 16 publications

References 38 publications

From Synthesis to Applications: Copper Calcium Titanate (CCTO) and its Magnetic and Photocatalytic Properties

From Synthesis to Applications: Copper Calcium Titanate (CCTO) and its Magnetic and Photocatalytic Properties

Identification of structural changes in CaCu₃Ti₄O₁₂ on high energy ball milling and their effect on photocatalytic performance

Synthesis of CaxCu3-xTi4O12 Perovskite Materials and House-Hold LED Light Mediated Degradation of Rhodamine Blue Dye

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Domestic LED light driven methylene blue degradation by g-C3N4-CaCu3Ti4O12 composite

Cited by 16 publications

References 38 publications

From Synthesis to Applications: Copper Calcium Titanate (CCTO) and its Magnetic and Photocatalytic Properties

From Synthesis to Applications: Copper Calcium Titanate (CCTO) and its Magnetic and Photocatalytic Properties

Identification of structural changes in CaCu3Ti4O12 on high energy ball milling and their effect on photocatalytic performance

Synthesis of CaxCu3-xTi4O12 Perovskite Materials and House-Hold LED Light Mediated Degradation of Rhodamine Blue Dye

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Identification of structural changes in CaCu₃Ti₄O₁₂ on high energy ball milling and their effect on photocatalytic performance