Recent advances of bismuth oxychloride photocatalytic material: Property, preparation and performance enhancement

Liu, Wen; Peng, Rui

doi:10.1016/j.jnlest.2020.100020

Cited by 54 publications

(13 citation statements)

References 94 publications

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“… Lee et al (2015) reported the synthesis, characterization, and photocatalytic activity under visible light conditions of some BiOI composites. Further, Liu and Peng (2020) presented the most recent progress in the development of BiOCl photocatalysts.…”

Section: Biox Applied In Photoelectrocatalysismentioning

confidence: 99%

Bismuth Oxyhalide-Based Materials (BiOX: X = Cl, Br, I) and Their Application in Photoelectrocatalytic Degradation of Organic Pollutants in Water: A Review

et al. 2022

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An important target of photoelectrocatalysis (PEC) technology is the development of semiconductor-based photoelectrodes capable of absorbing solar energy (visible light) and promoting oxidation and reduction reactions. Bismuth oxyhalide-based materials BiOX (X = Cl, Br, and I) meet these requirements. Their crystalline structure, optical and electronic properties, and photocatalytic activity under visible light mean that these materials can be coupled to other semiconductors to develop novel heterostructures for photoelectrochemical degradation systems. This review provides a general overview of controlled BiOX powder synthesis methods, and discusses the optical and structural features of BiOX-based materials, focusing on heterojunction photoanodes. In addition, it summarizes the most recent applications in this field, particularly photoelectrochemical performance, experimental conditions and degradation efficiencies reported for some organic pollutants (e.g., pharmaceuticals, organic dyes, phenolic derivatives, etc.). Finally, as this review seeks to serve as a guide for the characteristics and various properties of these interesting semiconductors, it discusses future PEC-related challenges to explore.

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Section: Biox Applied In Photoelectrocatalysismentioning

confidence: 99%

Bismuth Oxyhalide-Based Materials (BiOX: X = Cl, Br, I) and Their Application in Photoelectrocatalytic Degradation of Organic Pollutants in Water: A Review

et al. 2022

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“…They also calculated that the activation energy of conduction below 1000 mbar of oxygen from 300 to 425 K was 862 meV; however, there have been no systematic studies that describe the dielectric properties of BiOCl. Most research has focused on determining its optical and electrical properties, including charge transport in the UV-Vis range 8,[21][22][23] ; therefore, the main goal of recent studies has focused on vacancies and hole-electron generation. Determining charge carrier motion at lower frequencies can broaden the possible applications of oxychloride structures, Characterization of materials.…”

Section: Broadband Dielectric Spectroscopy For Monitoring Temperaturementioning

confidence: 99%

Broadband dielectric spectroscopy for monitoring temperature-dependent chloride ion motion in BiOCl plates

Radoń

Łukowiec

Włodarczyk

2020

Sci Rep

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The dielectric properties and electrical conduction mechanism of bismuth oxychloride (BiOCl) plates synthesized using chloramine-T as the chloride ion source were investigated. Thermally-activated structure rebuilding was monitored using broadband dielectric spectroscopy, which showed that the onset temperature of this process was 283 K. This rebuilding was related to the introduction of free chloride ions into [Bi2O2]2+ layers and their growth, which increased the intensity of the (101) diffraction peak. The electrical conductivity and dielectric permittivity were related to the movement of chloride ions between plates (in the low-frequency region), the interplanar motion of Cl− ions at higher frequencies, vibrations of these ions, and charge carrier hopping at frequencies above 10 kHz. The influence of the free chloride ion concentration on the electrical conductivity was also described. Structure rebuilding was associated with a lower concentration of free chloride ions, which significantly decreased the conductivity. According to the analysis, the BiOCl plate conductivity was related to the movement of Cl− ions, not electrons.

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“…Striking examples are Eu 2 + -doped BaFCl, [3] an important X-ray phosphor in the field of imaging, or BiOCl which exhibits excellent photocatalytic properties. [4,5] The prototype itself is currently discussed as suitable scintillator material. [6][7][8][9] The bonding situation is somehow more delicate for the intermetallic members of this family of compounds.…”

Section: Introductionmentioning

confidence: 99%

Ternary magnesium gallides – synthesis, crystal chemistry and properties of CaMgGa, SrMgGa, BaMgGa and YbMgGa

Pöttgen

Reimann

Kohlmann

et al. 2022

Zeitschrift anorg allge chemie

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The gallides CaMgGa, SrMgGa, BaMgGa and YbMgGa were synthesized from the elements in sealed tantalum ampoules in muffle furnaces. The phase purity of the samples was checked by powder X-ray diffraction. CaMgGa and YbMgGa crystallize with the ZrNiAl type structure, space group P � 62m, whereas SrMgGa and BaMgGa adopt an ordering variant of the Cu 2 Sb/ PbFCl type, space group P4/nmm. The structures of SrMg 0.884(7) -Ga 1.116(7) (a = 459.23( 9), c = 792.43(12) pm, wR2 = 0.0371, 226 F 2 values, 11 variables) and YbMgGa (a = 774.55(7), c = 411.95(4) pm, wR2 = 0.0329, 342 F 2 values, 15 variables) were refined from single crystal X-ray diffractometer data. Refinement of the occupancy parameters indicated a small degree of Mg/Ga mixing on the 2a site for the strontium compound. The [MgGa] substructures in both compounds are composed of condensed Mg@Ga 4 tetrahedra with 4 × 287 pm MgÀ Ga in SrMg 0.884 Ga 1.116 vs 2 × 282 and 2 × 296 pm in YbMgGa. The SrMgGa structure has a stacking of layers of edge-sharing Mg@Ga 4 and Sr 4 tetrahedra. Electronic structure calculations indicate a net charge transfer from strontium and magnesium to gallium. YbMgGa completes the series of REMgGa gallides. Temperature dependent magnetic susceptibility studies reveal weak Pauli paramagnetism, confirming divalent ytterbium.

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Recent advances of bismuth oxychloride photocatalytic material: Property, preparation and performance enhancement

Cited by 54 publications

References 94 publications

Bismuth Oxyhalide-Based Materials (BiOX: X = Cl, Br, I) and Their Application in Photoelectrocatalytic Degradation of Organic Pollutants in Water: A Review

Bismuth Oxyhalide-Based Materials (BiOX: X = Cl, Br, I) and Their Application in Photoelectrocatalytic Degradation of Organic Pollutants in Water: A Review

Broadband dielectric spectroscopy for monitoring temperature-dependent chloride ion motion in BiOCl plates

Ternary magnesium gallides – synthesis, crystal chemistry and properties of CaMgGa, SrMgGa, BaMgGa and YbMgGa

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