Structural, morphological, optical and electrical properties of spray deposited zinc doped copper oxide thin films

Nesa, Meherun; Sharmin, Mahfuza; Hossain, Khandker S.; Bhuiyan, A.H.

doi:10.1007/s10854-017-7075-3

Cited by 46 publications

(12 citation statements)

References 44 publications

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“…The reason for absorption peak at 1436 cm −1 is attributed to the presence CH 3 asymmetric stretching on the surface of CuO NPs. The existence of CO 2 in air was assigned by appearing of the peak at 2070 cm −1 [33][34][35].…”

Section: Ft-ir Studiesmentioning

confidence: 99%

Study the influence of silver and cobalt on the photocatalytic activity of copper oxide nanoparticles for the degradation of methyl orange and real wastewater dyes

Zeid

Ibrahem

Mohamed

et al. 2020

Mater. Res. Express

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CuO (S1) Single pure component nanoparticles (SPCNPs), Ag/CuO (S2) binary component hybrid nanoparticles (BCHNPS), Co1/Ag/CuO (S3), and Co2/Ag/CuO (S4) ternary component hybrid nanoparticles (TCHNPS) were synthesized via co-precipitation method. Several spectroscopic methods investigated the characterization of the prepared catalysts. Based on Crystal properties, CuO exhibit a monoclinic phase (tenorite); the grain size of the prepared samples was 28.15 nm, 29.42 nm, 27.86 nm, and 26.67 nm for S1, S2, S3, and S4 respectively. The addition of different content from Co as a dopant to silver decorated CuO gives a clear change to a flake shape. The presence of the IR absorption peaks in the region 400-600 cm −1 matched to the distinctive stretching vibrations of Cu-O bonds in the monoclinic phase structure of CuO. Disappearance of the Raman peaks of CuO and appearing of the new characteristic peaks of cobalt oxide confirms the doping process. Using DRS analysis, arrange of the bandgap values were S1 > S2 > S3 > S4. For the synthetic methyl orange and raw industrial dye, the photodegradation parameters were measured. The results show the excellent activity of Co2/Ag/CuO NPS compared with other samples. Electrical studies of the catalysts show a higher value for the dielectric constant in the higher and lower frequency regions for the sample S4. The hopping process of the charge carrier's improving as a result of the increase of applied field frequency which leads to an increase in the material conductivity.

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Section: Ft-ir Studiesmentioning

confidence: 99%

Study the influence of silver and cobalt on the photocatalytic activity of copper oxide nanoparticles for the degradation of methyl orange and real wastewater dyes

Zeid

Ibrahem

Mohamed

et al. 2020

Mater. Res. Express

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“…In the past few years, nanostructures of CuO with band gaps between 1.5 and 3.0 eV have been examined because of their exclusive photoluminescence and photo electro-chemical properties [1−6] . Several techniques have been employed for the fabrication of CuO thin film, such as spin-coating [7] , thermal evaporation [8] , pulsed laser deposition [9] , chemical vapor deposition [10] , molecular beam epitaxy [11] , spray pyrolysis [12] , etc. Among various deposition techniques, spray pyrolysis is a straightforward and cost-effective one [12] .…”

Section: Introductionmentioning

confidence: 99%

“…Several techniques have been employed for the fabrication of CuO thin film, such as spin-coating [7] , thermal evaporation [8] , pulsed laser deposition [9] , chemical vapor deposition [10] , molecular beam epitaxy [11] , spray pyrolysis [12] , etc. Among various deposition techniques, spray pyrolysis is a straightforward and cost-effective one [12] . Spray pyrolysis is a noble technique to synthesize a wide variety of good quality chemically homogeneous thin films.…”

Section: Introductionmentioning

confidence: 99%

Band gap tuning and p to n-type transition in Mn-doped CuO nanostructured thin films

Rahaman¹,

Sharmin²,

Podder³

2022

J. Semicond.

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Here we discuss the synthesis of copper (II) oxide (CuO) and manganese (Mn)-doped CuO thin films varying with 0 to 8 at% Mn using the spray pyrolysis technique. As-deposited film surfaces comprised of agglomerated spherical nanoparticles and a semi-spongy porous structure for 4 at% Mn doping. Energy dispersive analysis of X-rays confirmed the chemical composition of the films. X-ray diffraction spectra showed a polycrystalline monoclinic structure with the predominance of the ( 11) peak. Optical band gap energy for direct and indirect transitions was estimated in the ranges from 2.67–2.90 eV and 0.11–1.73 eV, respectively. Refractive index and static dielectric constants were computed from the optical spectra. Electrical resistivity of CuO and Mn-doped CuO (Mn:CuO) thin films was found in the range from 10.5 to 28.6 Ω·cm. The tiniest electron effective mass was calculated for 4 at% Mn:CuO thin films. P to n-type transition was observed for 4 at% Mn doping in CuO films. Carrier concentration and mobility were found in the orders of 1017 cm–3 and 10–1 cm2/(V·s), respectively. The Hall coefficient was found to be between 9.9 and 29.8 cm3/C. The above results suggest the suitability of Mn:CuO thin films in optoelectronic applications.

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“…In the recent past, many researchers have observed drastic changes in CuO thin films due to appropriate impurities such as Co, Mn, Ce Fe, Er, Tb Zn, Li, etc (M. M. H. Babu et al, 2021;B. P. Singh et al, 2020;Bosigo et al, 2022;Gnanasekar et al, 2022;Nesa et al, 2017;Chand et al, 2014). Generally, CuO thin films prepared using copper (II) acetate Cu(CH 3 COO) 2 •H 2 O or copper nitrate Cu(NO 3 ) 2 •3H 2 O as the precursor material are usually lower crystalline in their deposited state.…”

Section: Introductionmentioning

confidence: 99%

Unravelling the role of nickel doping on the physical properties of CuO thin films deposited by Spray Pyrolysis and theoretical analysis of nanostructured ZnO/Ni:CuO-based heterojunction solar cells

Daoudi

Jellal

Haddout

et al. 2022

Preprint

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Whereas solar photovoltaic cells are promising for proper power production,their wide deployment is hampered by production costs, material availability and toxicity. One of these materials is CuO, which has great chemical stability as well as interesting physical properties, including a direct band gap, a high absorption coef cient, and p-type conductivity. These properties indicate CuO as an exciting semiconducting material to use an absorber layer in thin lms solar cells. For this speci c reason, this paper focuses on the synthesis of undoped and Ni-doped CuO thin lms by spray pyroly- sis process. Several techniques such as; X-ray diffraction (XRD), Raman spectroscopy, Scanning Electron Microscopy (SEM), Energy dispersive X-ray (EDX) and UV-Visible spectroscopy have been employed to characterize the synthesized samples. The XRD analysis indicated the formation of polycrystalline CuO thin lms and the average crystallite size was decreased from 35 to 20 nm for the samples with x = 0 to 8 at%, respectively. Furthermore, Raman spectroscopy also con rms the single-phase formation of CuO lms. The SEM images demonstrated that the incorporation of Ni in the CuO matrix improved the lms surface. The EDX analysis and the elemental mapping belay the homogeneous distribution of the elements. Moreover, UV-Visible spectroscopy has shown a signi cant expansion in optical energy band gap from 1.45 to 1.53 eV with an increase of Ni concentration. On the other hand, to investigate the impact of Ni-doped CuO on nanos- tructure Ni:CuO/ ZnO-NRs heterojunction solar cell performance, SCAPS-1D software is used. It has been found that, 8% Ni:CuO layer has been revealed as better for nanostructured solar cells. The results of this contribution will provide some vital guidelines for fabricating higher-ef ciency solar cells.

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Structural, morphological, optical and electrical properties of spray deposited zinc doped copper oxide thin films

Cited by 46 publications

References 44 publications

Study the influence of silver and cobalt on the photocatalytic activity of copper oxide nanoparticles for the degradation of methyl orange and real wastewater dyes

Study the influence of silver and cobalt on the photocatalytic activity of copper oxide nanoparticles for the degradation of methyl orange and real wastewater dyes

Band gap tuning and p to n-type transition in Mn-doped CuO nanostructured thin films

Unravelling the role of nickel doping on the physical properties of CuO thin films deposited by Spray Pyrolysis and theoretical analysis of nanostructured ZnO/Ni:CuO-based heterojunction solar cells

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