All Stories

  1. Modulation of nonradiative emission decay rate by spacer unit in donor-acceptor TADF compounds

    Article • Dyes and Pigments, December 2023, Elsevier

    Dr. Sigitas Tumkevicius

  2. A red-emitting BODIPY probe for imaging of lipid droplets in living cells.

    Article • Journal of Materials Chemistry B, January 2023, Royal Society of Chemistry

    Dr. Sigitas Tumkevicius

  3. Viscosity-sensitive BODIPY probe for plasma membrane viscosity imaging.

    Article • RSC Advances, January 2023, Royal Society of Chemistry

    Dr. Sigitas Tumkevicius

  4. TADF in solid hosts

    Article • Journal of Materials Chemistry C, January 2023, Royal Society of Chemistry

    Dr. Sigitas Tumkevicius

  5. Exploring BODIPY-Based Sensor for Imaging of Intracellular Microviscosity in Cancer Cells

    Article • International Journal of Molecular Sciences, May 2022, MDPI AG

    Dr. Sigitas Tumkevicius

  6. Substituent effect on TADF properties of 2-modified 4,6-bis(carbazolyl)-5-methylpyrimidines

    Article • Beilstein Journal of Organic Chemistry, May 2022, Beilstein Institut

    Dr. Sigitas Tumkevicius

  7. Temporal Dynamics of Solid-State Thermally Activated Delayed Fluorescence:

    Article • The Journal of Physical Chemistry Letters, February 2022, American Chemical Society (ACS)

    Dr. Sigitas Tumkevicius

  8. Tuning of HOMO-LUMO localization for achieving thermally activated delayed fluorescence

    Article • Journal of Luminescence, January 2022, Elsevier

    Dr. Sigitas Tumkevicius

  9. Give or Take: Effects of Electron-Accepting/-Withdrawing Groups in Red-Fluorescent BODIPY Molecular Rotors

    Article • Molecules, December 2021, MDPI AG

    Dr. Sigitas Tumkevicius

  10. Designing a Red‐Emitting Viscosity‐Sensitive BODIPY Fluorophore for Intracellular Viscosity Imaging

    Article • Chemistry - A European Journal, November 2021, Wiley

    Dr. Sigitas Tumkevicius

  11. TADF Parameters in the Solid State: An Easy Way to Draw Wrong Conclusions

    Article • The Journal of Physical Chemistry A, February 2021, American Chemical Society (ACS)

    Dr. Sigitas Tumkevicius

  12. Single-exponential solid-state delayed fluorescence decay in TADF compounds

    Article • Journal of Materials Chemistry C, January 2021, Royal Society of Chemistry

    Dr. Sigitas Tumkevicius

  13. Achieving efficient deep-blue TADF in carbazole-pyrimidine compounds

    Article • Organic Electronics, July 2020, Elsevier

    Dr. Sigitas Tumkevicius

  14. Achieving Submicrosecond Thermally Activated Delayed Fluorescence Lifetime and Highly Efficient Electroluminescence by Fine-Tuning of the Phenoxazine–Pyrimidine Structure

    Article • ACS Applied Materials & Interfaces, February 2020, American Chemical Society (ACS)

    Dr. Sigitas Tumkevicius

  15. Minimization of solid-state conformational disorder in donor–acceptor TADF compounds

    Article • Physical Chemistry Chemical Physics, January 2020, Royal Society of Chemistry

    Dr. Sigitas Tumkevicius

  16. Optimization of the carbazole–pyrimidine linking pattern for achieving efficient TADF

    Article • Journal of Materials Chemistry C, January 2020, Royal Society of Chemistry

    Dr. Sigitas Tumkevicius

  17. Emission wavelength dependence on the rISC rate in TADF compounds with large conformational disorder

    Article • Chemical Communications, January 2019, Royal Society of Chemistry

    Dr. Sigitas Tumkevicius

  18. Efficient synthesis of novel 6-substituted 2-(4-aryl-1,2,3-triazol-1-yl)pyrimidines and 7-deazapurines

    Article • Synthetic Communications, June 2018, Taylor & Francis

    Dr. Sigitas Tumkevicius

  19. Room temperature phosphorescence vs. thermally activated delayed fluorescence in carbazole–pyrimidine cored compounds

    Article • Journal of Materials Chemistry C, January 2018, Royal Society of Chemistry

    Dr. Sigitas Tumkevicius

  20. Synthesis and optical properties of the isomeric pyrimidine and carbazole derivatives: Effects of polar substituents and linking topology

    Article • Dyes and Pigments, July 2015, Elsevier

    Dr. Sigitas Tumkevicius

  21. 2,4-Bis(4-aryl-1,2,3-triazol-1-yl)pyrrolo[2,3-d]pyrimidines: synthesis and tuning of optical properties by polar substituents

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Dr. Sigitas Tumkevicius

  22. Access to 6-arylpyrrolo[2,3-d]pyrimidines via a palladium-catalyzed direct C–H arylation reaction

    Article • RSC Advances, January 2014, Royal Society of Chemistry

    Dr. Sigitas Tumkevicius

  23. Optical study of the formation of pyrrolo[2,3-d]pyrimidine-based fluorescent nanoaggregates

    Article • Tetrahedron, November 2013, Elsevier

    Dr. Sigitas Tumkevicius