Solution flow rate influence on properties of copper oxide thin films deposited by ultrasonic spray pyrolysis

Copper (II) oxide thin films were prepared by spray pyrolysis method on soda-lime glass substrates using copper acetate precursor solution. Influence of substrate temperature on structural and optical properties was investigated. Structural analysis of these layers were carried out by X-ray diffraction (XRD). Single phase nature and high crystallinity of CuO nanostructures were observed on XRD patterns. The general appearance of the films was uniform and black in color. FT-IR transmittance spectra confirmed the results from the XRD study. Selective solar absorber coatings of copper oxide (CuO) on stainless steel substrates was prepared by spray pyrolysis method. Effect of deposition temperature on optical properties of thin films was investigated. Optical parameters, absorbance (α) and emittance ( ) were evaluated from reflectance data. It can be deduced that the porous structure, such as a light traps, can greatly enhance absorbance, while the composition, thickness and roughness of thin films can greatly influence the emissivity. Single phase nature and high crystallinity of CuO nanostructures were observed by XRD patterns. Solar absorbance of thin films were in the range of 85 % to 92 %.

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“…4, the calculated band gap values are about 1.7 that is in a good agreement with some other works [12,14].…”

Section: Optical Propertiessupporting

confidence: 92%

Optical and structural properties of nanostructured copper oxide thin films as solar selective coating prepared by spray pyrolysis method

Asadi-Aghbolaghi

Rozati

2017

Materials Science-Poland

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“…Such an effect can influence the increasing number of dangling bonds, and as a result, there will be barrier height in the crystallite boundaries 43 . Furthermore, the packed morphology with a larger grain size favors suitable mobility 44 . The conduction of the prepared materials may be attributed to the native defect of oxygen vacancy states present in the CuO: Co composite materials.…”

Section: Resultsmentioning

confidence: 99%

Investigation on physical properties of nanosized copper oxide (CuO) doped with cobalt (Co): A material for electronic device application

Maini

Shah

2021

Int J Ceramic Engine & Sci

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This study has reported about the preparation as well as characterization of Copper oxide (CuO) nanoparticles doped with Cobalt series at low temperature by Sol-gel method. The characterization techniques like x-ray diffraction (XRD), scanning electron microscope (SEM), Raman spectroscopy, defused reflectance spectroscopy (DRS), and DC measurement has been used to confirm its phase formation i.e. monoclinic, surface porous morphology, the redshift of Raman peaks confirms optical phonon confinement, whereas increasing bandgap signifies the quantum confinement effect. The semiconducting nature of samples has been observed by two probe method. Furthermore, the study has focused in detail on the effect of cobalt doping with varying concentrations by wt % on its structural, morphological, optical, and conductivity features.

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“…[30] Due to their long-term stability and suitable band gap, inorganic copper-based HTLs, such as CuSbS 2 and CuSCN, Cu 2 O, and CuI, have also been used. [31][32][33][34] Cuprous oxide (Cu 2 O) and copper oxide (CuO) and are common p-type semiconductor materials [35] prepared via low-cost techniques such as deposition in ambient air, [36] spin coating [37] and spraypyrolysis [38] and well-match low-lying valance bands of CuO with perovskite and reduce the energy losses as HTMs [39] and high carriers mobilities. Recently, many techniques have been used to enhance the working of FASnI 3 -based solar cells.…”

Section: Introductionmentioning

confidence: 99%

Improving the Recombination Losses by the Inclusion of Bi‐HTM (CuO/Silicon) Layers for Formamidinium Tin‐Based Perovskite Solar Cells

Jamil

Almufarij

Ali

et al. 2023

Advcd Theory and Sims

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The innovative lead‐free formamidinium tin‐based perovskite solar cell structure is considered nontoxic and potentially more stable than lead‐based, although its performance is not yet excellent. This research aims to enhance the power conversion efficiency of perovskite solar cells and reduce the recombination losses. According to device modeling, the FASnI3 perovskite solar cell demonstrates a packing conversion efficiency of 14.3% (open circuit voltage (Voc) = 0.899 V, fill factor (FF) = 58.9%, and current density (Jsc) = 26.06 mA cm−2) by employing Bi hole transporting layers, a copper oxide, and crystalline silicon layers. Some features that affect the device include the thickness of each layer, the doping density of copper oxide and a silicon layer, and the back contact metalwork function. It is proposed that Bi‐HTL reduce the carriers to enter hole transport layer (HTL) as the doping change so that decreasing charge carriers recombination and enhancing the device efficiency in tin‐based perovskite solar cell with the structure of ITO/TiO2/FASnI3/CuO/Si/C. Furthermore, the impacts of various charge transport layers on energy band alignment, recombination, electric field, and IV properties are thoroughly explored.

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Solution flow rate influence on properties of copper oxide thin films deposited by ultrasonic spray pyrolysis

Cited by 51 publications

References 46 publications

Optical and structural properties of nanostructured copper oxide thin films as solar selective coating prepared by spray pyrolysis method

Optical and structural properties of nanostructured copper oxide thin films as solar selective coating prepared by spray pyrolysis method

Investigation on physical properties of nanosized copper oxide (CuO) doped with cobalt (Co): A material for electronic device application

Improving the Recombination Losses by the Inclusion of Bi‐HTM (CuO/Silicon) Layers for Formamidinium Tin‐Based Perovskite Solar Cells

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