2022
DOI: 10.3390/nano12101618
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Variations in the Physical Properties of RF-Sputtered CdS Thin Films Observed at Substrate Temperatures Ranging from 25 °C to 500 °C

Abstract: CdS films with a wide range of substrate temperatures as deposition parameters were fabricated on Corning Eagle 2000 glass substrates using RF magnetron sputtering. The crystallographic structure, microscopic surface texture, and stoichiometric and optical properties of each CdS film deposited at various substrate temperatures were observed to be highly temperature-dependent. The grown CdS thin films revealed a polycrystalline structure in which a cubic phase was mixed based on a hexagonal wurtzite phase. The … Show more

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Cited by 5 publications
(1 citation statement)
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“…Besides, the great shift in the optical band gap; from 2.43 to 3.34 eV, as the gamma dose has been increased from 300 Gy to 350 Gy, could be suitably related to the phase change that has been unexpectedly occurred at 350 Gy (as confirmed by XRD results). A similar behavior is reported for CdS thin films prepared using radio-frequency (RF) magnetron sputtering technique at a substrate temperature of 450 °C and the band gap has reached 3.09 eV [33]. The high blue shift that achieved after irradiation by a dose of 350 Gy and higher doses enlarges the band gap of CdS thin film to values that permit the blue part of solar energy to transmit through the film; this could improve the efficiency of solar cells if CdS thin film acts as a window layer.…”
Section: Transmittance and Optical Band Gapsupporting
confidence: 78%
“…Besides, the great shift in the optical band gap; from 2.43 to 3.34 eV, as the gamma dose has been increased from 300 Gy to 350 Gy, could be suitably related to the phase change that has been unexpectedly occurred at 350 Gy (as confirmed by XRD results). A similar behavior is reported for CdS thin films prepared using radio-frequency (RF) magnetron sputtering technique at a substrate temperature of 450 °C and the band gap has reached 3.09 eV [33]. The high blue shift that achieved after irradiation by a dose of 350 Gy and higher doses enlarges the band gap of CdS thin film to values that permit the blue part of solar energy to transmit through the film; this could improve the efficiency of solar cells if CdS thin film acts as a window layer.…”
Section: Transmittance and Optical Band Gapsupporting
confidence: 78%