Visible light photoreforming of greenhouse gases by nano Cu–Al LDH intercalated with urea-derived anions

Sakr, Ayat A.-E.; Abd El-Hafiz, Dalia R.; Elgabry, Osama; Abdullah, Eman S.; Ebiad, Mohamed A.; Zaki, Tamer

doi:10.1039/d3ra06190f

RSC Adv.

2023

DOI: 10.1039/d3ra06190f

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Visible light photoreforming of greenhouse gases by nano Cu–Al LDH intercalated with urea-derived anions

Ayat A.-E. Sakr,

Dalia R. Abd El-Hafiz,

Osama Elgabry

et al.

Abstract: Microwave-assisted precipitation of Cu–Al LDH photocatalysts intercalated with urea-derived anions for selective formaldehyde production from greenhouse gas (CH4, CO2, and H2O) reforming under visible light irradiation.

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Cited by 3 publications

References 118 publications

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Highly Active and Selective Fe‐MOF/2D‐Montmorillonite Photocatalyst via in‐situ Preparation for Hydroxylation of Benzene to Phenol

Xu,

Jia,

Liu

et al. 2024

ChemNanoMat

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The photocatalytic hydroxylation of benzene to phenol is an important reaction for the synthesis of fine chemicals and pharmaceuticals. However, the development of efficient and selective photocatalysts for this reaction remains a challenge. Here, a highly active and selective Fe‐MOF/2D‐montmorillonite (Fe‐MOF/MMT) photocatalyst was prepared via an in‐situ method for the hydroxylation of benzene to phenol under the visible light irradiation. The Fe‐MOF/MMT composite exhibited excellent photocatalytic performance, with phenol yield of 30.3% and benzene selectivity of 96.5% within 4 hours. The high activity and selectivity of the Fe‐MOF/MMT photocatalyst were attributed to the synergistic effect between the Fe‐MOF and MMT, as well as the unique 2D structure of MMT, which facilitated charge separation and transfer. The Fe‐MOF/MMT composite also showed good stability and re‐used without significant decrease of activity. This study demonstrated that the potential of Fe‐MOF/MMT as a highly efficient and selective photocatalyst for the hydroxylation of benzene to phenol and provided an insight into the design of advanced photocatalysts for sustainable chemical synthesis.

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Highly Active and Selective Fe‐MOF/2D‐Montmorillonite Photocatalyst via in‐situ Preparation for Hydroxylation of Benzene to Phenol

Xu,

Jia,

Liu

et al. 2024

ChemNanoMat

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show abstract

Novel Fe-MOF@Cu/NiAl-LDH as Photo-Catalysts in Methane Bireforming: Effect of Preparation Strategy

El‑Hafiz,

Sakr

2024

J Inorg Organomet Polym

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In this work, Fe-MOF@Ni/CuAl-LDH nanocomposites are developed for the first time in photocatalytic CO2/CH4 conversion to ultrapure formaldehyde. The reaction takes place in a dynamic (continuous flow) photosystem working under atmospheric pressure in presence of visible-light irradiation. The visible-light-active photocatalysts are prepared using two strategies in order to enhance both morphology and optical properties of the new composite. First strategy based on growing of MOF on the in-situ N2 exfoliated LDH using solvothermal reaction (FMNHT and FMCHT), where, the MOF is formed on surface and/or inside lamellar layer. The second based on formation of LDH around the previously prepared Fe-MOF via microwave assisted method (NFMMW and CFMMW). The data herein indicate that, both samples NFMMW and CFMMW, have LDH/MOF strong electronic coupling and exhibit an adjustable band gap share in improve charge generation/separation rate, reduce e−/h+ recombination rate and increase light absorption capacity. Those characteristics provide higher efficiency in photocatalytic CH4/CO2 conversion and give high selectivity toward ultrapure formaldehyde formation (99.9%).

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Fabrication of dual layered double hydroxide/cobalt oxide sorbent on pencil graphite for solid-phase microextraction and HPLC analysis of environmental pollutants

Pazouki,

Raoof,

Ghani

2025

Talanta

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Visible light photoreforming of greenhouse gases by nano Cu–Al LDH intercalated with urea-derived anions

Abstract: Microwave-assisted precipitation of Cu–Al LDH photocatalysts intercalated with urea-derived anions for selective formaldehyde production from greenhouse gas (CH4, CO2, and H2O) reforming under visible light irradiation.

Cited by 3 publications

References 118 publications

Highly Active and Selective Fe‐MOF/2D‐Montmorillonite Photocatalyst via in‐situ Preparation for Hydroxylation of Benzene to Phenol

Highly Active and Selective Fe‐MOF/2D‐Montmorillonite Photocatalyst via in‐situ Preparation for Hydroxylation of Benzene to Phenol

Novel Fe-MOF@Cu/NiAl-LDH as Photo-Catalysts in Methane Bireforming: Effect of Preparation Strategy

Fabrication of dual layered double hydroxide/cobalt oxide sorbent on pencil graphite for solid-phase microextraction and HPLC analysis of environmental pollutants

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