Abstract
Six crimson samarium (III) complexes based on β-ketone carboxylic acid and ancillary ligands were synthesized by adopting the grinding technique. All synthesized complexes were investigated via elemental analysis, infrared, UV–Vis, NMR, TG/DTG and photoluminescence studies. Optical properties of these photostimulated samarium (III) complexes exhibit reddish-orange luminescence due to 4G5/2 → 6H7/2 electronic transition at 606 nm of samarium (III) ions. Further, energy bandgap, color purity, CIE color coordinates, CCT and quantum yield of all complexes were determined accurately. Replacement of water molecules by ancillary ligands enriched these complexes (S2-S6) with decay time, quantum yield, luminescence, energy bandgap and biological properties than parent complex (S1). Interestingly, these efficient properties of complexes may find their applications in optoelectronics and lighting systems. In addition to these, the antioxidant and antimicrobial assays were also investigated to explore the applications in biological assays.
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One of the authors, Pooja Hooda gratefully acknowledges the Department of Chemistry, Maharshi Dayanand University Rohtak for providing instrumental facilities.
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Pooja Hooda, One of these authors appreciates the financial support from the Council of Scientific and Industrial Research (CSIR) in New Delhi, India in form of a senior research fellowship (SRF) (Award No: 09/382(0207)/2019-EMR-I) to complete this research work.
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Pooja Hooda performed experimental works, data collection, analysis, validation, interpretation and wrote the original manuscript. Savita Khatri and Poonam Kumari contributed to the experimental, reviewed and edited manuscript. V. B. Taxak, R. K. Malik, S. P. Khatkar, and Rajesh Kumar contribute to supervision, technical support, editing functions and manuscript review.
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Hooda, P., Taxak, V.B., Malik, R.K. et al. Applicability of Reddish-Orange Light Emitting Samarium (III) Complexes for Biomedical and Multifunctional Optoelectronic Devices. J Fluoresc 32, 613–627 (2022). https://doi.org/10.1007/s10895-021-02887-x
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DOI: https://doi.org/10.1007/s10895-021-02887-x