Efficiently selective oxidation of glycerol by Bi<sub>QDs</sub>/BiOBr–O<sub>v</sub>: promotion of molecular oxygen activation by Bi quantum dots and oxygen vacancies

Yue, Chengguang; Li, Chenhao; Zhang, Pingbo; Fan, Mingming; Haryono, Agus; Dong, Yuanhua; Jiang, Pingping

doi:10.1039/d1nj01927a

Cited by 12 publications

(5 citation statements)

References 42 publications

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“…Besides, the other two peaks can be ascribed to different types of chemisorbed O, like –OH and H 2 O. 51 Therefore, we believe that after the PEC HER, the 1% MoS 2 /BiOBr HJ is the only sample able to maintain the original structure with only a small amount of BiOBr reduced to metallic Bi. Indeed it is able to sustain at least 16 cycles of CV under UV light (Fig.…”

Section: Resultsmentioning

confidence: 96%

2D MoS₂/BiOBr van der Waals heterojunctions by liquid-phase exfoliation as photoelectrocatalysts for hydrogen evolution

et al. 2023

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Section: Resultsmentioning

confidence: 96%

2D MoS₂/BiOBr van der Waals heterojunctions by liquid-phase exfoliation as photoelectrocatalysts for hydrogen evolution

et al. 2023

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“…), respectively (Figure 1l). 18,23,24 The comparison of the ratio of each oxygen component revealed that NiFe LDH-4 exhibited a higher content of O ads. /H 2 O ads compared with Ni LDH, indicating superior hydrophilic properties.…”

Section: Characterization Of Ni-based Ldh Catalystsmentioning

confidence: 99%

Selective Formic Acid Production in Ni and NiFe Layered Hydroxides via Glycerol Electro-Oxidation

Kim,

Dang Van,

Lee

et al. 2024

ACS Catal.

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Glycerol, a byproduct of biodiesel production, is a promising feedstock for conversion into high-value products through the glycerol electrochemical oxidation reaction (GEOR). Herein, a Nibased layered double hydroxide (Ni LDH) catalyst is synthesized via hydrothermal synthesis to investigate the mechanism of the selective conversion of glycerol to formic acid (FA). The Ni LDH exhibits not only a high conversion rate of glycerol but also higher selectivity and Faradaic efficiency for FA at low potentials compared to NiFe LDHs. Through density functional theory (DFT) calculations, the delocalization of the π-type bond between the adsorbed intermediate, glyceric acid (GLA), and the catalyst surface is found to activate GLA, leading to the preferential formation of FA through C−C bond cleavage at low potentials. Furthermore, with an understanding of the roles of OH − and glycerol concentrations in GEOR, controlling KOH and glycerol concentrations proves to be an effective way to enhance the selectivity and Faradaic efficiency of FA for the Ni LDH catalyst.

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“…In light of the diverse range of selective oxidation products derived from glycerol, Zhang et al reported a study on the oxidation of glycerol to formic acid. [78] They developed BiOBr photocatalysts modified with oxygen vacancies and Bi quantum dots to perform the oxidation of glycerol to formic acid and DHA in an aerobic environment. Remarkably, they achieved a selectivity of 46.2% for formic acid and 26.9% for DHA, with a glycerol Figure 17.…”

Section: Selective Oxidation Of Glycerolmentioning

confidence: 99%

Solar‐Driven Selective Oxidation Over Bismuth‐Based Semiconductors: From Prolific Catalysts to Diverse Reactions

Li,

Huang

2024

Adv Funct Materials

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Synthesis of organic compounds often necessitates rigorous reaction conditions or the involvement of hazardous oxidants, resulting in substantial energy consumption and considerable environmental damage. Photocatalytic selective oxidation represents a green and environmentally friendly way to obtain high‐value chemicals, which has developed rapidly in recent years. Bismuth‐based (Bi‐based) semiconductor materials have gained intense interest in selective organic synthesis due to their diverse crystal structures and compositions, tunable band structure, and outstanding photocatalytic performance. Herein, a systematic summary of the solar‐driven selective oxidation over varieties of Bi‐based semiconductors is provided. Initially, the reactive species involved in selective oxidation, Bi‐based materials widely used in photocatalytic selective oxidation, and the methods for synthesizing these Bi‐based materials are meticulously classified. Concerning their selective oxidation reactions, a variety of modification strategies, with a focus on the separation of photogenerated carriers and the regulation of reactive species is extensively documented. Highlights are the diverse applications and mechanism discussions of Bi‐based photocatalysts in the oxidation reactions, including alcohol oxidation, C─H bond activation, amine oxidation, and sulfide oxidation, as well as the coupling reactions with photoreduction. Finally, the future development prospects and challenges of Bi‐based photocatalysts in the field of selective oxidation is proposed, hoping to provide valuable insights and guidance for the design of photocatalysts for selective oxidation.

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Efficiently selective oxidation of glycerol by Bi_QDs/BiOBr–O_v: promotion of molecular oxygen activation by Bi quantum dots and oxygen vacancies

Abstract: Selective oxidation of biomass resource glycerol to produce high value-added formic acid, dihydroxyacetone and other fine chemicals are in line with the current development concept of green and sustainable chemistry....

Cited by 12 publications

References 42 publications

2D MoS₂/BiOBr van der Waals heterojunctions by liquid-phase exfoliation as photoelectrocatalysts for hydrogen evolution

2D MoS₂/BiOBr van der Waals heterojunctions by liquid-phase exfoliation as photoelectrocatalysts for hydrogen evolution

Selective Formic Acid Production in Ni and NiFe Layered Hydroxides via Glycerol Electro-Oxidation

Solar‐Driven Selective Oxidation Over Bismuth‐Based Semiconductors: From Prolific Catalysts to Diverse Reactions

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Efficiently selective oxidation of glycerol by BiQDs/BiOBr–Ov: promotion of molecular oxygen activation by Bi quantum dots and oxygen vacancies

Abstract: Selective oxidation of biomass resource glycerol to produce high value-added formic acid, dihydroxyacetone and other fine chemicals are in line with the current development concept of green and sustainable chemistry....

Cited by 12 publications

References 42 publications

2D MoS2/BiOBr van der Waals heterojunctions by liquid-phase exfoliation as photoelectrocatalysts for hydrogen evolution

2D MoS2/BiOBr van der Waals heterojunctions by liquid-phase exfoliation as photoelectrocatalysts for hydrogen evolution

Selective Formic Acid Production in Ni and NiFe Layered Hydroxides via Glycerol Electro-Oxidation

Solar‐Driven Selective Oxidation Over Bismuth‐Based Semiconductors: From Prolific Catalysts to Diverse Reactions

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Efficiently selective oxidation of glycerol by Bi_QDs/BiOBr–O_v: promotion of molecular oxygen activation by Bi quantum dots and oxygen vacancies

2D MoS₂/BiOBr van der Waals heterojunctions by liquid-phase exfoliation as photoelectrocatalysts for hydrogen evolution

2D MoS₂/BiOBr van der Waals heterojunctions by liquid-phase exfoliation as photoelectrocatalysts for hydrogen evolution