Effects of CuO film thickness on electrical properties of CuO/ZnO and CuO/ZnS hetero-junctions

Chabane, L.; Zebbar, N.; Zeggar, M. Lamri; Aida, M.S.; Kechouane, M.; Trari, M.

doi:10.1016/j.mssp.2015.07.080

Cited by 34 publications

(7 citation statements)

References 23 publications

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“…7,8 Therefore, one of the best solutions for fabricating oxide-based solar cells will be to study a ZnO/CuO heterojunction as a stable p-n junction. 3,9,10 Previously, few efforts have been focused on fabricating p-CuO/n-ZnO heterojunctions [11][12][13] even though simple estimates predict large valence band offsets (VBOs) and conduction band offsets (CBOs) between the two semiconductors. 14 Therefore, it is imperative to control the band alignments in CuO/ZnO for further enhancement of power conversion efficiency by altering conduction and valence band offsets.…”

Section: Introductionmentioning

confidence: 99%

Enhancement in the performance of nanostructured CuO–ZnO solar cells by band alignment

et al. 2020

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Section: Introductionmentioning

confidence: 99%

Enhancement in the performance of nanostructured CuO–ZnO solar cells by band alignment

et al. 2020

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“…Therefore, the photo-response effect in the reverse bias region is considerably higher than the forward bias region and the variation of photocurrent with light intensity was investigated in the reverse bias. 3 The density of impurities in semiconductors is one of the major parameters that can control the position of the Fermi level. It is oen possible to impart some desirable properties to a semiconductor by introducing a controlled quantity of suitable elemental impurities into it, either during its preparation or diffusing them aerwards through thermal or other treatments.…”

Section: Introductionmentioning

confidence: 99%

IDC golf-ball structured thin films: preparation, characterization and photodiode properties

et al. 2016

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“…Photocatalytic heterogeneous innovation, which belongs to advanced oxidation processes, has emerged as a highly promising approach for the removal of organic pollutants in wastewater. It offers several advantages such as low cost, non-toxicity, low energy requirement, safety, reusability, and the ability to completely degrade organic compounds 29 . Among semiconductor oxides, ZnO is a widely used photocatalyst due to its easy accessibility and affordability 30 .…”

Section: Introductionmentioning

confidence: 99%

Enhanced photocatalytic degradation of amoxicillin using a spinning disc photocatalytic reactor (SDPR) with a novel Fe3O4@void@CuO/ZnO yolk-shell thin film nanostructure

Fallahizadeh,

Gholami,

Rahimi

et al. 2023

Sci Rep

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Antibiotics are resistant compounds with low biological degradation that generally cannot be removed by conventional wastewater treatment processes. The use of yolk-shell nanostructures in spinning disc photocatalytic reactor (SDPR) enhances the removal efficiency due to their high surface-to-volume ratio and increased interaction between catalyst particles and reactants. The purpose of this study is to investigate the SDPR equipped to Fe3O4@void@CuO/ZnO yolk-shell thin film nanostructure (FCZ YS) in the presence of visible light illumination in the photocatalytic degradation of amoxicillin (AMX) from aqueous solutions. Stober, co-precipitation, and self-transformation methods were used for the synthesis of FCZ YS thin film nanostructure and the physical and chemical characteristics of the catalyst were analyzed by XRD, VSM,, EDX, FESEM, TEM, AFM, BET, contact angle (CA), and DRS. Then, the effect of different parameters including pH (3–11), initial concentration of AMX (10–50 mg/L), flow rate (10–25 mL/s) and rotational speed (100–400 rpm) at different times in the photocatalytic degradation of AMX were studied. The obtained results indicated that the highest degradation efficiency of 97.6% and constant reaction rate of AMX were obtained under LED visible light illumination and optimal conditions of pH = 5, initial AMX concentration of 30 mg/L, solution flow rate of 15 mL/s, rotational speed of 300 rpm and illumination time of 80 min. The durability and reusability of the nanostructure were tested, that after 5 runs had a suitable degradation rate. Considering the appropriate efficiency of amoxicillin degradation by FCZ YS nanostructure, the use of Fe3O4@void@CuO/ZnO thin film in SDPR is suggested in water and wastewater treatment processes.

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Effects of CuO film thickness on electrical properties of CuO/ZnO and CuO/ZnS hetero-junctions

Cited by 34 publications

References 23 publications

Enhancement in the performance of nanostructured CuO–ZnO solar cells by band alignment

Enhancement in the performance of nanostructured CuO–ZnO solar cells by band alignment

IDC golf-ball structured thin films: preparation, characterization and photodiode properties

Enhanced photocatalytic degradation of amoxicillin using a spinning disc photocatalytic reactor (SDPR) with a novel Fe3O4@void@CuO/ZnO yolk-shell thin film nanostructure

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