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  Authors

SATISH KUMAR,MANJU BALA,VINOD BALA TAXAK,S.P. KHATKAR

  Keywords

Sensitization, antenna effect, europium ion, IR, photoluminescence.

  Abstract


luminescent europium was successfully synthesized by using 5-fluoro-2-hydroxyacetophenone (FHAP) hydroxyketone ligand. The composition and structure of the FHAP ligand and its complex were supported by various techniques such as IR, NMR and CHN elemental analysis. The UV-visible and photoluminescence spectroscopy were used to explain the sensitization or antenna effect of the organic ligand. On successful irradiation at 397 nm, the emission spectra of complex showed narrow characteristic peaks at 580 nm, 592 nm, 616 nm and 652 nm corresponding to the 5D0?7F0, 5D0?7F1, 5D0?7F2, and 5D0?7F3 electronic transition of the europium ion. Among these peaks, the electric dipole 5D0?7F2 transition noticed the most intense peak which was hypersensitive to the site symmetry of europium ion and associated with the red luminescence of the complex. The CIE color coordinates of the complex fall in the red region of the chromaticity diagram. These results suggested that the light harvesting organic ligand FHAP absorbed the energy and transferred to the metal ion through sensitization process in an effective manner. On the basis of above results, we can be concluded that the complex possesses the candidature for light emitting materials and devices.

  IJCRT's Publication Details

  Unique Identification Number - IJCRT1705267

  Paper ID - 181095

  Author type - Indian Author

  Page Number(s) - 187-192

  Pubished in - Volume 6 | Issue 1 | January 2018

  DOI (Digital Object Identifier) -   

  No Of Downloads - 1201

  Author Country - 124001, India, Rohtak, Rohtak, India, Chemistry

  Publisher Name - IJPUBLICATION | www.ijcrt.org | ISSN : 2320-2882

  E-ISSN Number - 2320-2882

  Published Paper PDF : - http://www.ijcrt.org/papers/IJCRT1705267

  Published Paper URL: : - http://ijcrt.org/viewfull.php?&p_id=IJCRT1705267

  Published Paper PDF Downlaod: - download.php?file=IJCRT1705267

  Cite this article

SATISH KUMAR,MANJU BALA,VINOD BALA TAXAK,S.P. KHATKAR,   "RED LIGHT EMITTING EUROPIUM COMPLEX FUNCTIONALIZE WITH HYDROXYKETONE", International Journal of Creative Research Thoughts (IJCRT), ISSN:2320-2882, Volume.6, Issue 1, pp.187-192, January 2018, Available at :http://www.ijcrt.org/papers/IJCRT1705267.pdf

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