Benzochalcogenazolo-based N,O-coordinated boron difluoride complexes as gain media for organic solid-state lasers

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dc.contributor.authorPytlarz, Radosław
dc.contributor.authorKutsiy, Stepan
dc.contributor.authorHotynchan, Andrii
dc.contributor.authorJean-Woldemar, Enzo
dc.contributor.authorLuboradzki, Roman
dc.contributor.authorMarek-Urban, Paulina H.
dc.contributor.authorMerklin, Georg
dc.contributor.authorChénais, Sébastien
dc.contributor.authorVolyniuk, Dmytro
dc.contributor.authorGrazulevicius, Juozas V.
dc.contributor.authorDurka, Krzysztof
dc.contributor.authorForget, Sebastien
dc.contributor.authorPotopnyk, Mykhaylo A.
dc.contributor.organizationInstitute of Organic Chemistry, Polish Academy of Sciences, Warsaw, Poland
dc.contributor.organizationDepartment of Electronic Engineering, Lviv Polytechnic National University, Ukraine
dc.contributor.organizationDepartment of Organic Chemistry, Faculty of Chemistry, Ivan Franko National University of Lviv, Ukraine
dc.contributor.organizationLaboratoire de Physique des Lasers, Université Sorbonne Paris Nord, France
dc.contributor.organizationInstitute of Physical Chemistry, Polish Academy of Sciences, Warsaw, Poland
dc.contributor.organizationFaculty of Chemistry, Warsaw University of Technology, Warsaw, Poland
dc.contributor.organizationDepartment of Polymer Chemistry and Technology, Kaunas University of Technology, Lithuania
dc.date.accessioned2025-07-09T08:16:55Z
dc.date.available2025-07-09T08:16:55Z
dc.date.issued2025
dc.description.abstractThree N,O-coordinated benzochalcogenazolo-based boron difluoride complexes have been designed, synthesized, and spectroscopically characterized using their solutions, solid state, and the films of dye-doped polymer. The structural analysis demonstrated that dyes adopt twisted molecular structures with the torsion angle ranging from 24° to 37°, attributed to the steric effect of cyano group. The obtained compounds exhibit aggregation-induced emission and blue to cyan emission (455–487 nm) in solid state with photoluminescence quantum yield ranging from 21% to 85% and short excited-state lifetime of 0.80–2.27 ns. These characteristics facilitate the amplified spontaneous emission (ASE) with the progressive reduction in full width at half maximum observed across the series of benzoxazole→benzothiazole→benzoselenazole derivatives up to 15 nm, 11 nm, and 8 nm, respectively, as well as the low ASE threshold values of 18.7–40.3 μJ/cm2. The successful application of the dyes in the fabrication of organic solid-state lasers results in the laser threshold of 46.1 µJ/cm2, 28.0 µJ/cm2, and 58.6 µJ/cm2 for the devices based on benzoxazole, benzothiazole, and benzoselenazole-based boron difluoride complexes, respectively. Our work opens the pathway for the novel class of heavy atom-containing organic laser dyes, which can be used for both organic optically and electrically pumped lasers.en
dc.description.sponsorshipPolish Academy of Sciences in collaboration with the U.S. National Academy of Sciences with the financial support of external partners"; ANR – FRANCE (French National Research Agency) ANR-23-CE06-0027 project; Research Council of Lithuania (LMTLT) (projects SeSeoS); EU Research and Innovation Funding Programme "Horizon Europe" (HiSOPE project No 101161573); Polish high-performance computing infrastructure PLGrid (HPC Centers: ACK Cyfronet AGH) grant no. PLG/2023/016879.
dc.identifier.citationR. Pytlarz, S. Kutsiy, A. Hotynchan, E. Jean-Woldemar, R. Luboradzki, P. H. Marek-Urban, G. Merklin, S. Chénais, D. Volyniuk, J. V. Grazulevicius, K. Durka, S. Forget and M. A. Potopnyk, J. Mater. Chem. C, 2025, DOI: 10.1039/D5TC02236C.
dc.identifier.doi10.1039/D5TC02236C
dc.identifier.issn2050-7526
dc.identifier.issn2050-7534
dc.identifier.urihttps://open.icm.edu.pl/handle/123456789/25996
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.rightsUznanie autorstwa 3.0 Unporteden
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/
dc.sourceJournal of Materials Chemistry C
dc.titleBenzochalcogenazolo-based N,O-coordinated boron difluoride complexes as gain media for organic solid-state lasersen
dc.typearticle
dc.type.versionacceptedVersion
person.identifier.orcidPotopnyk, Mykhaylo A. [0000-0002-4543-2785]
person.identifier.orcidMarek-Urban, Paulina H. [0000-0002-8537-4196]
person.identifier.orcidLuboradzki, Roman [0000-0001-8910-230X]
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