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Proceedings Paper

Luminescence of iridium complexes upon short laser pulses
Author(s): Nikolay R. Dimitrov; Georgi B. Hadjichristov; Ivan L. Stefanov
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Paper Abstract

The photo-excited luminescence response of solutions (in organic solvent) of eight selected organometallic coordination complexes of Iridium Ir(III) ion is studied upon irradiation with high-intensity short-pulse (nanosecond) ultraviolet laser irradiation, as well as by ultra-high-intensity ultrashort (femtosecond) laser pulses in the visible (violet). The Ir-complexes are cyclometalated and contain bis-phenylbenzothiazole as a main ligands and auxiliary β-diketone ligands, and they are intended to be used as luminescent materials and sensitive nanoprobes, e.g., in organic optoelectronics, sensorics, mechatronics and laser fluorescent microscopy. The results obtained by laser spectroscopy of dilute (10–5 M) solutions of the examined Ir-complexes show that they are efficient triplet emitters whose photo-excited emission is proper for fluorometric, optoelectronic and photonic applications.

Paper Details

Date Published: 29 January 2019
PDF: 11 pages
Proc. SPIE 11047, 20th International Conference and School on Quantum Electronics: Laser Physics and Applications, 110471E (29 January 2019); doi: 10.1117/12.2516653
Show Author Affiliations
Nikolay R. Dimitrov, Sofia Univ. "St. Kliment Ohridski" (Bulgaria)
Georgi B. Hadjichristov, Institute of Solid State Physics (Bulgaria)
Ivan L. Stefanov, Sofia Univ. "St. Kliment Ohridksi" (Bulgaria)

Published in SPIE Proceedings Vol. 11047:
20th International Conference and School on Quantum Electronics: Laser Physics and Applications
Tanja N. Dreischuh; Latchezar A. Avramov, Editor(s)

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