photophysical, metal sensing, and thermometric applications

PM003/2016). F. D. thanks the FCT/MCTES (Portugal) for his doctoral grant 2021.05161.BD. H. M. S. acknowledges the Associate Laboratory for Green Chemistry LAQV (LA/P/0008/2020) funded by the FCT/MCTES for his research contract. The financial support by the Bulgarian National Science Fund (BNSF) under grant – “Novel styryl and polymethine fluorophores as potential theranostic agents” contract No KΠ-06-M59/1 from 15.11.2021 is gratefully acknowledged by A. K. This work is also developed and acknowledged by A. K. as part of contract No: BG-RRP-2.004-0002-C01, Laboratory of Organic Functional Materials (Project BiOrgaMCT), Procedure BG-RRP-2.004 “Establishing of a network of research higher education institutions in Bulgaria”, funded by the BULGARIAN NATIONAL RECOVERY AND RESILIENCE PLAN. G. D. acknowledges that this work was supported by the European Regional Development Fund under the “Research Innovation and Digitization for Smart Transformation” program 2021-2027 under the Project BG16RFPR002-1.014-0006 “National Centre of Excellence Mechatronics and Clean Technologies”. Research equipment of this project was used for experimental work. Publisher Copyright: © 2025 The Royal Society of Chemistry.