Abstract
In the present work, we elaborated the CdS–TiO2 (CSTO) composite materials and considered their micro-structural and optical properties were investigated. The micro-structure and optical properties were examined by TEM, XRD, absorption and PL. The particles dimensions of composite have been varied from 18 to 22 nm while the typical crystalline size of TiO2 sample materials was varied involving the 9 nm and 14 nm. The direct band-gap of TiO2 nano-particles is 3.33 eV and Eg of CSTO sample is enlarged to 3.31 eV. The TEM show the existence of the CdS could efficiently hibit the agglomeration of the CSTO and progress the dispersion of particles. The photo-luminescence (PL) spectra illustrate that the CSTO sample has two tough emissions. These clarification results from the creation of the CSTO bond and the existence of CdS roughly anatase, which would impede the development of TiO2 powder. The internal micro-structure, thus obtained will make the permanence of our composite sample, allowing a development of optical features of TiO2 composite.
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This research project was supported by a grant from the Deanship of Scientific Research, Princess Nora Bint Abdul Rahman University (35-K-69).
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Alharbi, F., Omri, K., Yahia, I. et al. Micro-structural Evolution and Optical Performance of TiO2 Nano-particles and CdS–TiO2 Nano-composite Materials. J Inorg Organomet Polym 30, 1629–1633 (2020). https://doi.org/10.1007/s10904-019-01304-y
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DOI: https://doi.org/10.1007/s10904-019-01304-y