Electronic structure and optical properties of V-doped Bi4Ti3O12 nanoparticles

Gu, Daguo; Qin, Yingying; Wen, Yumei; Li, Tie; Qin, Lin; Seo, Hyo Jin

doi:10.1016/j.jallcom.2016.11.071

Cited by 39 publications

(15 citation statements)

References 41 publications

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“…As shown in Fig. 6, the stretching vibrations of Ti-O and Bi-O can clearly be seen in both CD/BIT and 2D Ag/CD/BIT samples, respectively [47]. Compared with pure BIT, there was no change in the CD/BIT and 2D Ag/CD/BIT contract with pure BIT, indi- cating that the CDs and Ag did not change the structure of the BIT.…”

Section: Ft-ir Analysismentioning

confidence: 79%

Surface plasmon resonance effect of Ag nanoparticles for improving the photocatalytic performance of biochar quantum-dot/Bi4Ti3O12 nanosheets

Wang

Liu

Men

et al. 2019

Chinese Journal of Catalysis

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Section: Ft-ir Analysismentioning

confidence: 79%

Surface plasmon resonance effect of Ag nanoparticles for improving the photocatalytic performance of biochar quantum-dot/Bi4Ti3O12 nanosheets

Wang

Liu

Men

et al. 2019

Chinese Journal of Catalysis

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“…Figure 5. FTIR spectra of the synthesized samples Specifically for Bi 4 Ti 3 O 12 , it is attributed to the electron transference from a combination of Bi-6s and O-2p levels to Ti-3d ones 53,54 . Therefore, these results indicated that the annealing subsequent to the synthesis was not significant as to impact the materials' band gap.…”

Section: Resultsmentioning

confidence: 97%

Production of Nanometric Bi4Ti3O 12 Powders: from Synthesis to Optical and Dielectric Properties

et al. 2018

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This paper aims to evaluate the synthesis and annealing parameters for production of nanometric Bi 4 Ti 3 O 12 and its properties. The powders were obtained through the solution combustion route and the impacts of annealing temperature on the materials' physicochemical features as well as their optical and electrical properties were investigated. Thus, the prepared powders were annealed at 600ºC, 700ºC and 800ºC and then characterized by several techniques. The results demonstrated that the combustion method was effective for production of nanocrystalline powders with high levels of purity. A trend for particle and crystallite growth was observed as the calcination temperature increased. X-Ray, HRTEM and Raman spectroscopy confirmed the crystalline nature of the powders, whereas impedance spectroscopy demonstrated a reduction of electrical resistance according to the calcination temperature applied. Optical properties were not highly influenced by annealing. The temperature of 600ºC was appropriate to produce crystalline particles with desirable low sizes for application.

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“…Recently, Bi 4 Ti 3 O 12 has been modified by doping with different metals (Cr, Fe, and V) as well as coupling with low band gap semiconductor materials (MoS 2 , CuS, BiOI, g‐C 3 N 4 , BiOBr and Bi 2 S 3 ) to improve its optical and photocatalytic activity. The modified analogues of Bi 4 Ti 3 O 12 have been studied as photocatalyst for degradation of industrial dyes, pharmaceutical contaminants and hydrogen evolution reaction …”

Section: Introductionmentioning

confidence: 95%

SnS₂/Bi₄Ti₃O₁₂ Heterostructure Material: A UV‐Visible Light Active Direct Z‐Scheme Photocatalyst for Aqueous Phase Degradation of Diazinon

et al. 2020

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In this study, a series of Z-scheme SnS 2 /Bi 4 Ti 3 O 12 heterostructure photocatalyst materials were synthesized by a two-step process. Initially, Bi 4 Ti 3 O 12 (BT) nanopellets with planar dimension of 350-400 nm were prepared by a facile combustion synthesis route. The SnS 2 nanoparticles (10-20 nm) were subsequently decorated over BT surface using a hydrothermal method. The heterostrucure materials possess orthorhombic BT and hexagonal SnS 2 crystalline phases with high interfacial contact and strong interaction at microscopic level. Optical and photoelectrochemical (PEC) measurements suggest improved UVvisible light absorption and enhanced charge carrier separation and migration properties. The SnS 2 /Bi 4 Ti 3 O 12 materials displayed excellent photocatalytic activity for degradation of diazinon insecticide (> 90 % with k app ∼ 0.019 min À 1 ) in aqueous media under UV-visible light illumination. The valence band (VB) holes and * OH radicals were identified as major transient species responsible for photodegradation of diazinon. A Z-scheme electron transfer process has been proposed to explain adequately the generation of these radicals which was deduced from PEC measurements, scavenger and radical trapping experiments. Mechanistic study revealed that diazinon degradation occured in a series of steps to produce 2-isopropyl-6methyl-pyrimidin-4-ol as a major intermediate which was further mineralized over the photocatalyst surface. The process potential of the developed photocatalytic method has been tested for different water matrices and interfering anionic species with radical quenching activity.

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Electronic structure and optical properties of V-doped Bi4Ti3O12 nanoparticles

Cited by 39 publications

References 41 publications

Surface plasmon resonance effect of Ag nanoparticles for improving the photocatalytic performance of biochar quantum-dot/Bi4Ti3O12 nanosheets

Surface plasmon resonance effect of Ag nanoparticles for improving the photocatalytic performance of biochar quantum-dot/Bi4Ti3O12 nanosheets

Production of Nanometric Bi4Ti3O 12 Powders: from Synthesis to Optical and Dielectric Properties

SnS₂/Bi₄Ti₃O₁₂ Heterostructure Material: A UV‐Visible Light Active Direct Z‐Scheme Photocatalyst for Aqueous Phase Degradation of Diazinon

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Electronic structure and optical properties of V-doped Bi4Ti3O12 nanoparticles

Cited by 39 publications

References 41 publications

Surface plasmon resonance effect of Ag nanoparticles for improving the photocatalytic performance of biochar quantum-dot/Bi4Ti3O12 nanosheets

Surface plasmon resonance effect of Ag nanoparticles for improving the photocatalytic performance of biochar quantum-dot/Bi4Ti3O12 nanosheets

Production of Nanometric Bi4Ti3O 12 Powders: from Synthesis to Optical and Dielectric Properties

SnS2/Bi4Ti3O12 Heterostructure Material: A UV‐Visible Light Active Direct Z‐Scheme Photocatalyst for Aqueous Phase Degradation of Diazinon

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SnS₂/Bi₄Ti₃O₁₂ Heterostructure Material: A UV‐Visible Light Active Direct Z‐Scheme Photocatalyst for Aqueous Phase Degradation of Diazinon