Absorption Characteristics of Magnesium Oxide and Aluminium Oxide NPs/ Rhodamine 6G/ Polyvinyl Alcohol Films
DOI:
https://doi.org/10.31257/2018/JKP/2021/130207Keywords:
Rh6G, PVA Polymer, Absorption Spectrum, MgO NPs, Al2O3 NPsAbstract
Pure Polyvinyl Alcohol (PVA) film and PVA polymer film/ Rhodamine 6G(Rh6G) dye film in different volume ratios of (6, 12,18, 24 and 30) ml of Rh6G were prepared via casting method. The addition of Magnesium Oxide (MgO) and Aluminium Oxide (Al2O3) nanoparticles as a filler to the polymer matrix. The results demonstrated that there was a 10 nm red shift in the absorption spectra of Rh6G in PVA/ Rh6G polymer matrix due to add doping ratio of Rh6G dye solution to the transparent PVA matrix. Also, there was a 5 nm red shift in polymer matrix filled with Al2O3 NPs; this means that Al2O3 NPs absorb the water and that consequently enhance the optical properties of polymer matrix. The intensity of Rh6G doped PVA polymer film was seen to be enhanced when adding MgO NPs or Al2O3 NPs, noted that intensity of adding Al2O3 NPs more than it when adding MgO NP. The electronic transition was found to be π→π*.
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Copyright (c) 2023 Fairooz Faeq Kareem, Asrar Abd. Saeed, Mahasin F. Hadi, Farah Jawad Kadhum
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