Room-temperature synthesis of Ag- and Mn-doped Cs<sub>2</sub>NaBiCl<sub>6</sub> octahedrons for dye photodegradation

Xie, Yi; Li, Ling; Zhong, Yaping; Hu, Yongfei; Bai, Jilin; Qiao, Fen; Ahmed, Abu Saleh; Ali, Ghafar; Zhao, Xiujian

doi:10.1039/d3ce00372h

Cited by 3 publications

(1 citation statement)

References 61 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Compared to other AOPs, photocatalytic degradation is more successful since semiconductors are less expensive and can easily mineralize a variety of organic molecules. The materials used as effective photocatalysts should have an appropriate energy band gap, appropriate morphology, high surface area, long term stability, and considerable recycling ability [25,26]. Due to the high surface-to-volume ratio of nanomaterials, more surface area is available for redox reactions.…”

Section: Introductionmentioning

confidence: 99%

Morphological Dependence of Metal Oxide Photocatalysts for Dye Degradation

Naggar,

Ahmed,

El-Nasr

et al. 2023

Inorganics

Self Cite

View full text Add to dashboard Cite

There is no doubt that organic dyes currently play an indispensable role in our daily life; they are used in products such as furniture, textiles, and leather accessories. However, the main problems related to the widespread use of these dyes are their toxicity and non-biodegradable nature, which mainly are responsible for various environmental risks and threaten human life. Therefore, the elimination of these toxic materials from aqueous media is highly recommended to save freshwater resources, as well as our health and environment. Heterogeneous photocatalysis is a potential technique for dye degradation, in which a photocatalyst is used to absorb light (UV or visible) and produce electron–hole pairs that enable the reaction participants to undergo chemical changes. In the past, various metal oxides have been successfully applied as promising photocatalysts for the degradation of dyes and various organic pollutants due to their wide bandgap, optical, and electronic properties, in addition to their low cost, high abundance, and chemical stability in aqueous solutions. Various parameters play critical roles in the total performance of the photocatalyst during the photocatalytic degradation of dyes, including morphology, which is a critical factor in the overall degradation process. In our article, the recent progress on the morphological dependence of photocatalysts will be reviewed.

show abstract

Section: Introductionmentioning

confidence: 99%

Morphological Dependence of Metal Oxide Photocatalysts for Dye Degradation

Naggar,

Ahmed,

El-Nasr

et al. 2023

Inorganics

Self Cite

View full text Add to dashboard Cite

show abstract

First-Principles Modeling of Lattice Dynamics and Direct Electronic Transition in Halide Double Perovskite Cs₂NaBiCl₆

Mahi,

Sabuj,

Hossain

et al. 2024

J. Phys. Chem. C

View full text Add to dashboard Cite

The presence of strong anharmonicity poses significant challenges in modeling the lattice dynamics of tetragonal (I4/mmm) and cubic (Fm3̅ m) phases of halide double perovskite Cs 2 NaBiCl 6 . Moreover, a direct electronic transition with a reduced band gap of ∼3 eV can be optoelectronically more attractive than the usual indirect wide band gap (∼3.8 eV) of cubic Cs 2 NaBiCl 6 . Here, we established the dynamical stability of the cubic Cs 2 NaBiCl 6 (>110 K) using the cubic and quartic anharmonic phonon renormalization technique in favor of the tetragonal to cubic phase transition near ∼110 K. The tetragonal I4/m phase turned out to be dynamically stable in Cs 2 NaBiCl 6 at T = 0 K. We report a direct band gap of ∼3 eV in cubic Cs 2 NaBiCl 6 by incorporating the long-range van der Waals and relativistic spin−orbit coupling corrections to different sophisticated and accurate exchange-correlation approximations in density functional theory (DFT). The diffuse reflectance spectroscopy of hydrothermally synthesized cubic Cs 2 NaBiCl 6 provided experimental evidence of this direct transition. The experimentally observed Raman modes are identified in the reliable DFT simulations. The room temperature photoluminescence emission of cubic Cs 2 NaBiCl 6 was observed near ∼574 nm. The cubic Cs 2 NaBiCl 6 displayed ∼100% photocatalytic degradation of rhodamine B dye under 50 min of optical irradiation. Overall, this work may have provided a comprehensive DFT-experimental understanding of the functional properties of Cs 2 NaBiCl 6 relevant to dynamic stability and optoelectronic applications.

show abstract

Enhanced adsorption of carbon sphere by doping with titania nanotubes for crystal violet removal: isotherm, kinetics, and thermodynamic studies

Mohammed,

Kotb,

Sanad

et al. 2024

RSC Adv.

View full text Add to dashboard Cite

show abstract

Room-temperature synthesis of Ag- and Mn-doped Cs₂NaBiCl₆ octahedrons for dye photodegradation

Abstract: All-inorganic lead halide perovskites (LHP) nanomaterials have been recognized as a competitive candidates for optoelectronic applications. However, the lead toxicity and intrinsic instability have limited their commercialization. Herein, a facile...

Cited by 3 publications

References 61 publications

Morphological Dependence of Metal Oxide Photocatalysts for Dye Degradation

Morphological Dependence of Metal Oxide Photocatalysts for Dye Degradation

First-Principles Modeling of Lattice Dynamics and Direct Electronic Transition in Halide Double Perovskite Cs₂NaBiCl₆

Enhanced adsorption of carbon sphere by doping with titania nanotubes for crystal violet removal: isotherm, kinetics, and thermodynamic studies

Contact Info

Product

Resources

About

Room-temperature synthesis of Ag- and Mn-doped Cs2NaBiCl6 octahedrons for dye photodegradation

Abstract: All-inorganic lead halide perovskites (LHP) nanomaterials have been recognized as a competitive candidates for optoelectronic applications. However, the lead toxicity and intrinsic instability have limited their commercialization. Herein, a facile...

Cited by 3 publications

References 61 publications

Morphological Dependence of Metal Oxide Photocatalysts for Dye Degradation

Morphological Dependence of Metal Oxide Photocatalysts for Dye Degradation

First-Principles Modeling of Lattice Dynamics and Direct Electronic Transition in Halide Double Perovskite Cs2NaBiCl6

Enhanced adsorption of carbon sphere by doping with titania nanotubes for crystal violet removal: isotherm, kinetics, and thermodynamic studies

Contact Info

Product

Resources

About

Room-temperature synthesis of Ag- and Mn-doped Cs₂NaBiCl₆ octahedrons for dye photodegradation

First-Principles Modeling of Lattice Dynamics and Direct Electronic Transition in Halide Double Perovskite Cs₂NaBiCl₆