Comparative study of porous amorphous a-Si1−xCx films and a-Si1−xCx membranes on structural and luminescence properties

Boukezzata, A.; Nezzal, G.; Guerbous, L.; Keffous, A.; Gabouze, N.; Belkacem, Y.; Manseri, A.; Brighet, Amer; Kechouane, M.; Menari, H.

doi:10.1016/j.jlumin.2011.02.029

Journal of Luminescence

2011

DOI: 10.1016/j.jlumin.2011.02.029

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Comparative study of porous amorphous a-Si1−xCx films and a-Si1−xCx membranes on structural and luminescence properties

A. Boukezzata

G. Nezzal

L. Guerbous³

et al.

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Cited by 8 publications

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On the Correlation between Group III‐A Elements Doping and Structure Performance of Cu/ZnO/ZrO₂ Catalysts System for CO₂ Hydrogenation to Methanol

Shrivastaw,

Kaishyop,

Khan

et al. 2024

ChemCatChem

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A set of Cu/ZnO/ZrO2 catalysts doped with Group‐IIIA elements (M=B, Al, Ga & In) were synthesized via a facile single‐step evaporation‐induced self‐assembly (EISA) method to tune up the catalyst basicity and modulate the structure to improve the methanol yield in CO2 hydrogenation reaction. To understand the catalyst‘s textural properties and catalytic activity, prepared catalysts were exposed to several in‐situ/ex‐situ characterization techniques like Physisorption & Chemisorption studies, XRD, XPS, TEM, and in‐situ DRIFT. The addition of group IIIA elements has a significant impact on the CO2 conversion and Methanol selectivity via tailoring the important textural properties such as metallic surface area of Cu, reducibility of catalysts, particle size, controlled oxygen vacancy, and basicity of catalyst surface. CZZ doped with Al appeared to be the best catalyst, in this study. The modified Cu‐ZnO interface via density functional theory (DFT) calculations also indicated that the CO2 adsorption energy is found to be highest for CZZAl, which is concomitant with CO2‐TPD analysis results. The lowest to highest CO2 adsorption energy order over the catalyst set follows CZZIn<CZZB<CZZGa<CZZO<CZZAl. Moreover, the surface model of Cu/ZnO after doping each element was also studied to elucidate the elemental promotional effect on CO2 adsorption.

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On the Correlation between Group III‐A Elements Doping and Structure Performance of Cu/ZnO/ZrO₂ Catalysts System for CO₂ Hydrogenation to Methanol

Shrivastaw,

Kaishyop,

Khan

et al. 2024

ChemCatChem

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show abstract

Elaboration and characterization of a-SiC nanowires for CO2 sensor

et al. 2021

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PL investigations of spin coated thin films of porous SiC powder embedded in PVA

Kaci

Keffous

Kheloufi

et al. 2017

Journal of Alloys and Compounds

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Comparative study of porous amorphous a-Si1−xCx films and a-Si1−xCx membranes on structural and luminescence properties

Cited by 8 publications

References 28 publications

On the Correlation between Group III‐A Elements Doping and Structure Performance of Cu/ZnO/ZrO₂ Catalysts System for CO₂ Hydrogenation to Methanol

On the Correlation between Group III‐A Elements Doping and Structure Performance of Cu/ZnO/ZrO₂ Catalysts System for CO₂ Hydrogenation to Methanol

Elaboration and characterization of a-SiC nanowires for CO2 sensor

PL investigations of spin coated thin films of porous SiC powder embedded in PVA

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Comparative study of porous amorphous a-Si1−xCx films and a-Si1−xCx membranes on structural and luminescence properties

Cited by 8 publications

References 28 publications

On the Correlation between Group III‐A Elements Doping and Structure Performance of Cu/ZnO/ZrO2 Catalysts System for CO2 Hydrogenation to Methanol

On the Correlation between Group III‐A Elements Doping and Structure Performance of Cu/ZnO/ZrO2 Catalysts System for CO2 Hydrogenation to Methanol

Elaboration and characterization of a-SiC nanowires for CO2 sensor

PL investigations of spin coated thin films of porous SiC powder embedded in PVA

Contact Info

Product

Resources

About

On the Correlation between Group III‐A Elements Doping and Structure Performance of Cu/ZnO/ZrO₂ Catalysts System for CO₂ Hydrogenation to Methanol

On the Correlation between Group III‐A Elements Doping and Structure Performance of Cu/ZnO/ZrO₂ Catalysts System for CO₂ Hydrogenation to Methanol