Structural and optical properties of indium oxide thin films synthesized at different deposition parameters by spray pyrolysis

Aparna, C.; Mahesha, M.G.; Shetty, Pramoda Kumara

doi:10.1016/j.matpr.2022.01.048

Cited by 4 publications

(3 citation statements)

References 22 publications

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“…We note that the extinction coefficient decreases with an increase in the wavelength. The loss due to scattering and absorbance decreases with an increase in wavelength [44]. The k value was found to range between 0.94 and 1.78 for visible wavelength domain (λ < 800 nm), whereas it was close to zero in the near infrared region (λ > 800 nm), which indicated the transparency of the films [45].…”

Section: Extinction Coefficient and Refractive Indexmentioning

confidence: 88%

Optoelectronic and Dielectric Properties of Tenorite CuO Thin Films Sprayed at Various Molar Concentrations

Ben Messaoud,

Ouahab,

Rahmane

et al. 2024

Period. Polytech. Chem. Eng.

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The work in hand presents the elaboration of CuO thin films using a home-made spray pyrolysis technique at room atmosphere. The films were synthesized on preheated glass substrate at 450 °C. The source solution molarity was varied from 0.025 to 0.1 mol/L. The films were characterized by employing X-Ray Diffraction technique, UV-Vis-NIR spectrophotometry, Scanning Electron Microscope imagery, Energy Dispersive Spectroscopy, and four-points probe techniques. The X-ray diffraction analysis confirmed that all films are polycrystalline with a preferred orientation along the plane (−111) of the monoclinic crystal structure phase of tenorite (CuO). The SEM images showed a homogeneous and smooth surface. Crystallinity and grain size were improved. The rise of solution concentration induced a reduction of transmittance and reflectance in the visible region. The energy gap, the absorption coefficient, the extinction coefficient, refractive index, dielectric constant (ԑr and ԑi) and loss energy were estimated from transmittance and reflectance data. The gap energy decreases from 2.72 to 2.56 eV. The film deposited for 0.025 mol/L exhibits the highest real part of the dielectric constant (ԑr ~ 17). The film resistivity which is in order of 102 Ω cm decreases with the increase of molar concentration. The estimated dielectric constant indicated that the resulting CuO thin films could be used as dielectric layers for optoelectronic devices working in Vis-NIR region of radiation. Furthermore, the relatively high band gap, high absorption coefficient and high conductivity of the film obtained at 0.075 mol/L, make them good candidates as absorption layers in solar cells applications.

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Section: Extinction Coefficient and Refractive Indexmentioning

confidence: 88%

Optoelectronic and Dielectric Properties of Tenorite CuO Thin Films Sprayed at Various Molar Concentrations

Ben Messaoud,

Ouahab,

Rahmane

et al. 2024

Period. Polytech. Chem. Eng.

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“…[15] SnO 2 -CdO (SCO) films were deposited by magnetron sputtering technique in this paper to further investigate the effects of deposition conditions on the properties of SnO 2 /CdO composite films. To improve the electrical properties of the films, indium, [4] a high electrical conductivity element, was added into the SCO films. Magnetron sputtering was used to prepare SnO 2 -CdO-In 2 O 3 (SCIO) quaternary composite films as promising films which have high transmittance in visible and near-infrared ranges and high electrical conductivity.…”

Section: Introductionmentioning

confidence: 99%

“…Transparent conductive oxide (TCO) films are essential component of the cells. CdO, [ 1 ] ZnO, [ 2 ] SnO 2 , [ 3 ] In 2 O 3 , [ 4 ] In:Al 2 O 3 , [ 5 ] Al:SnO 2 , [ 6 ] Gd:CdO, [ 7 ] and Cu/Ag:In 2 O 3 [ 8 ] are examples of pure oxide and metal‐doped oxide materials, which have been widely employed as window materials for many photovoltaic devices. Multicomponent oxides have gained a lot of attention as a new TCO material, which may control its electrical and optical properties by changing the ratio of cations.…”

Section: Introductionmentioning

confidence: 99%

Structural, Optical, and Electrical Properties of SnO₂–CdO–In₂O₃ Films Prepared by Magnetron Co‐sputtering

Guan

Han

2023

Physica Status Solidi (a)

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SnO2–CdO (SCO) films and SnO2–CdO–In2O3 (SCIO) films are successfully deposited on Si (100) and glass substrates by radio frequency and direct current magnetron co‐sputtering. The films are characterized by X‐ray diffraction, scanning electron microscope, energy‐dispersive X‐ray spectroscopy, ultraviolet visible near‐infrared spectroscopy, and four‐point probes. SCO films exhibit Cd2SnO4 (011) preferred orientation, and the SCO film deposited at the sputtering power of 80W exhibits excellent crystalline quality and transmittance. The arrangement of clusters changes from sparse to dense when the indium element concentration increases. The resistivities of SCIO films are of two orders of magnitude lower than those of the SCO films. However, the visible light transmittances decrease slightly and the optical bandgap values decrease from 5.00 to 4.85 eV. The results indicate that the indium element plays an important role in improving the electrical properties of SCO films. SCIO films are expected to be a good candidate for transparent conductive films.

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Physical properties of thermal annealing induced In2O3 thin films for sensing layer applications

Kamlesh

Suthar

Himanshu

et al. 2023

Materials Today: Proceedings

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Structural and optical properties of indium oxide thin films synthesized at different deposition parameters by spray pyrolysis

Cited by 4 publications

References 22 publications

Optoelectronic and Dielectric Properties of Tenorite CuO Thin Films Sprayed at Various Molar Concentrations

Optoelectronic and Dielectric Properties of Tenorite CuO Thin Films Sprayed at Various Molar Concentrations

Structural, Optical, and Electrical Properties of SnO₂–CdO–In₂O₃ Films Prepared by Magnetron Co‐sputtering

Physical properties of thermal annealing induced In2O3 thin films for sensing layer applications

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Structural and optical properties of indium oxide thin films synthesized at different deposition parameters by spray pyrolysis

Cited by 4 publications

References 22 publications

Optoelectronic and Dielectric Properties of Tenorite CuO Thin Films Sprayed at Various Molar Concentrations

Optoelectronic and Dielectric Properties of Tenorite CuO Thin Films Sprayed at Various Molar Concentrations

Structural, Optical, and Electrical Properties of SnO2–CdO–In2O3 Films Prepared by Magnetron Co‐sputtering

Physical properties of thermal annealing induced In2O3 thin films for sensing layer applications

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Structural, Optical, and Electrical Properties of SnO₂–CdO–In₂O₃ Films Prepared by Magnetron Co‐sputtering