Photocatalytic Reduction of CO2 to CO over 3D Bi2MoO6 Microspheres: Simple Synthesis, High Efficiency and Selectivity, Reaction Mechanism

Zhang, Xiaochao; Ren, Guofeng; Zhang, Changming; Zhao, Qiang; Fan, Caimei

doi:10.1007/s10562-020-03182-3

Cited by 33 publications

(16 citation statements)

References 32 publications

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“…Table 2 compares the photocatalytic activity of HEON synthesized by HPT with reported photocatalysts in the literature by normalizing the amount of CO production to catalyst mass and surface area [ 91 , 92 , 93 , 94 , 95 , 96 , 97 , 98 , 99 , 100 , 101 , 102 , 103 , 104 , 105 , 106 , 107 , 108 , 109 , 110 , 111 , 112 , 113 , 114 , 115 , 116 , 117 , 118 , 119 , 120 , 121 , 122 , 123 ]. Since the photocatalytic reaction occurs on the surface, comparing the results by normalizing them to the surface area is more reasonable.…”

Section: Discussion On Future Outlookmentioning

confidence: 99%

Advanced Photocatalysts for CO2 Conversion by Severe Plastic Deformation (SPD)

et al. 2023

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Excessive CO2 emission from fossil fuel usage has resulted in global warming and environmental crises. To solve this problem, the photocatalytic conversion of CO2 to CO or useful components is a new strategy that has received significant attention. The main challenge in this regard is exploring photocatalysts with high efficiency for CO2 photoreduction. Severe plastic deformation (SPD) through the high-pressure torsion (HPT) process has been effectively used in recent years to develop novel active catalysts for CO2 conversion. These active photocatalysts have been designed based on four main strategies: (i) oxygen vacancy and strain engineering, (ii) stabilization of high-pressure phases, (iii) synthesis of defective high-entropy oxides, and (iv) synthesis of low-bandgap high-entropy oxynitrides. These strategies can enhance the photocatalytic efficiency compared with conventional and benchmark photocatalysts by improving CO2 adsorption, increasing light absorbance, aligning the band structure, narrowing the bandgap, accelerating the charge carrier migration, suppressing the recombination rate of electrons and holes, and providing active sites for photocatalytic reactions. This article reviews recent progress in the application of SPD to develop functional ceramics for photocatalytic CO2 conversion.

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Section: Discussion On Future Outlookmentioning

confidence: 99%

Advanced Photocatalysts for CO2 Conversion by Severe Plastic Deformation (SPD)

et al. 2023

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“…It leads to the excitation of electron from valence band to conduction band, leaving a hole in the valence band, which is the photo-electron/hole pair; 171 (2) the photogenerated electrons and holes diffuse and separate. The electrons/holes transfer to the reduction/oxidation sites, respectively; (3) CO 2 is adsorbed onto the surface; (4) a redox reaction occurs on the photocatalyst surface, where the electrons reduce CO 2 to CO, 172,173 CH 4 , 169,174,175 HCOOH, [176][177][178] CH 3 OH [179][180][181] or other hydrocarbons, 170,182,183 and the holes oxidize water to molecular O 2 by cavities; 152,154,184 (5) products desorbed from the catalyst surface. The pCO 2 RR and potentials are also exhibited.…”

Section: Photochemical Conversion Of Comentioning

confidence: 99%

Recent progress of theoretical studies on electro- and photo-chemical conversion of CO₂with single-atom catalysts

et al. 2023

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“…Thus, we consider BiOCl inserted into the crystal networks.To investigate the chemical states of the perovskites, XPS measurements are presented in figure 2. As shown in figure 2(a), the XPS spectra exhibit peak at 165.21 eV and 159.87 eV corresponding to the binding energies of Bi 4f 5/2 and 4f 7/2 core levels[52]. The photoemission peaks at 285 33.…”

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confidence: 94%

Scintillation properties of ((CH₃)₄N)₃BiCl₆ as a novel lead-free perovskite halide crystal

Subagyo

Arramel

Diguna³

et al. 2022

Mater. Res. Express

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Two-dimensional hybrid organic-inorganic perovskites (2D-HOIPs) possess intriguing structural properties which makes them promising materials for diverse optical, electronic and scintillation applications. Recently, several classes of hybrid perovskites exhibit potential candidate for radiation detection. However, the scintillation properties of corrugated-type 2D-HOIPs have not been studied so far. In this work, we investigate the scintillation performance of bismuth chloride ((CH3)4N)3BiCl6 perovskites for the lead-free candidate. No strong RL intensity at room temperature is observed due to a strong thermal quenching. A small negative thermal quenching is also observed, which infer the presence of trap states characterized by two activation energies: E 1 = 25.71 meV and E 2 = 129.27 meV. In addition, low temperature afterglow of ((CH3)4N)3BiCl6 at 10 K is estimated to be 70 s (14.5%) and 1200 s (85.5%). In low temperature thermoluminescence ((CH3)4N)3BiCl6 exhibits a broad band, which is attributed to a quasi-continuous distribution of shallow traps. All these results shed some light on the fundamentals of scintillation properties of bismuth-based perovskites.

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Photocatalytic Reduction of CO2 to CO over 3D Bi2MoO6 Microspheres: Simple Synthesis, High Efficiency and Selectivity, Reaction Mechanism

Cited by 33 publications

References 32 publications

Advanced Photocatalysts for CO2 Conversion by Severe Plastic Deformation (SPD)

Advanced Photocatalysts for CO2 Conversion by Severe Plastic Deformation (SPD)

Recent progress of theoretical studies on electro- and photo-chemical conversion of CO₂with single-atom catalysts

Scintillation properties of ((CH₃)₄N)₃BiCl₆ as a novel lead-free perovskite halide crystal

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Photocatalytic Reduction of CO2 to CO over 3D Bi2MoO6 Microspheres: Simple Synthesis, High Efficiency and Selectivity, Reaction Mechanism

Cited by 33 publications

References 32 publications

Advanced Photocatalysts for CO2 Conversion by Severe Plastic Deformation (SPD)

Advanced Photocatalysts for CO2 Conversion by Severe Plastic Deformation (SPD)

Recent progress of theoretical studies on electro- and photo-chemical conversion of CO2with single-atom catalysts

Scintillation properties of ((CH3)4N)3BiCl6 as a novel lead-free perovskite halide crystal

Contact Info

Product

Resources

About

Recent progress of theoretical studies on electro- and photo-chemical conversion of CO₂with single-atom catalysts

Scintillation properties of ((CH₃)₄N)₃BiCl₆ as a novel lead-free perovskite halide crystal