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Preparation and Characterization of Chemical Bath Deposition synthesis CdS Nanocrystalline Thin Films | ||
| Iraqi Journal of Science | ||
| Article 1, Volume 58, Issue 1, 2018, Pages 454-461 | ||
| Author | ||
| H. F. Al-Taay | ||
| Abstract | ||
| Cadmium sulfide (CdS) nanocrystalline thin films are prepared onto ITO-glass and Si(111) substrates by chemical bath deposition method. The scanning electron microscope images showed that the CdS thin film onto Si substrate is more homogenous without vacancies. The XRD patterns of the CdS nanocrystalline thin film confirm that they have polycrystalline with cubic phase. Room temperature photoluminescence (PL) spectrum of the CdS nanocrystalline thin films shows emission band located at 502nm for CdS/Si sample while the CdS/ITO-glass thin films shows a broad emission band peaked at 505nm. The Raman spectra of CdS nanocrystalline thin films prepared onto Si and ITO-glass substrates contain two main peaks which are corresponding to the first and second-order longitudinal optical (LO) phonon modes. | ||
| Keywords | ||
| Nanocrystallin materials; CdS; Photoluminescence spectra; Thin films; Chemical bath deposition | ||
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