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Mitigating slow reverse ISC rates in TAPC:PBD exciplex via rapid Förster energy transfer to TTPA (2024)
Journal Article
Weatherill, L. A., Milverton, R., Pander, P., & Dias, F. B. (2025). Mitigating slow reverse ISC rates in TAPC:PBD exciplex via rapid Förster energy transfer to TTPA. Organic Electronics, 137, Article 107180. https://doi.org/10.1016/j.orgel.2024.107180

There have been many advances in the development of thermally activated delayed fluorescence (TADF) materials for organic light emitting diode (OLED) applications in recent years. In particular, intramolecular exciplex systems have been highly studie... Read More about Mitigating slow reverse ISC rates in TAPC:PBD exciplex via rapid Förster energy transfer to TTPA.

Sonocrystallization induced thermally activated delayed fluorescence via distortion of molecular geometry † (2024)
Journal Article
Maggiore, A., Qu, Y., Pander, P., Dias, F. B., Clavier, G., Guillot, R., Altamura, D., Giannini, C., Maiorano, V., Audebert, P., & Miomandre, F. (2024). Sonocrystallization induced thermally activated delayed fluorescence via distortion of molecular geometry †. Journal of Materials Chemistry C Materials for optical and electronic devices, 12(22), 7943-7955. https://doi.org/10.1039/d4tc00245h

In this work, we present three donor–acceptor thermally activated delayed fluorescence (TADF) molecules comprising a 2,3,5,6-tetrafluorobenzonitrile acceptor with various electron donor units: phenoxazine (Phx-BzN), phenothiazine (Pht-BzN), and carba... Read More about Sonocrystallization induced thermally activated delayed fluorescence via distortion of molecular geometry †.

Slow magnetic relaxation and luminescence properties in β-diketonate lanthanide( iii ) complexes. Preparation of Eu( iii ) and Yb( iii ) OLED devices † (2024)
Journal Article
Tubau, À., Rodríguez, L., Pander, P., Weatherill, L., Dias, F. B., Font-Bardía, M., & Vicente, R. (2024). Slow magnetic relaxation and luminescence properties in β-diketonate lanthanide( iii ) complexes. Preparation of Eu( iii ) and Yb( iii ) OLED devices †. Journal of Materials Chemistry C Materials for optical and electronic devices, 12(22), 8127-8144. https://doi.org/10.1039/d4tc00902a

The reaction of [Ln(btfa)3(H2O)2] (btfa− = 4,4,4-trifluoro-1-phenyl-1,3-butanedionate) with 4,4′-dinonyl-2,2′-bipyridyl (4,4′-dinonylbipy) in ethanol allows isolation of mononuclear complexes [Ln(btfa)3(4,4′-dinonylbipy)] Ln = Sm (1-Sm), Eu (2-Eu), T... Read More about Slow magnetic relaxation and luminescence properties in β-diketonate lanthanide( iii ) complexes. Preparation of Eu( iii ) and Yb( iii ) OLED devices †.

9-Borafluoren-9-yl and diphenylboron tetracoordinate complexes of 8-quinolinolato ligands with heavy-atoms substituents: synthesis, fluorescence and application in OLED devices (2024)
Journal Article
Fialho, C. B., Cruz, T., Calhorda, M., Vieira Ferreira, L., Pander, P., Dias, F. B., Maçanita, A. L., & Gomes, P. (2024). 9-Borafluoren-9-yl and diphenylboron tetracoordinate complexes of 8-quinolinolato ligands with heavy-atoms substituents: synthesis, fluorescence and application in OLED devices. Dyes and Pigments, 228, Article 112174. https://doi.org/10.1016/j.dyepig.2024.112174

This work describes the synthesis and characterisation of new tetrahedral boron complexes, incorporating bromine- or iodine-substituted 8-quinolinolato chelate chromophores connected to 9-borafluoren-9-yl or diphenylboron orthogonal fragments. The mo... Read More about 9-Borafluoren-9-yl and diphenylboron tetracoordinate complexes of 8-quinolinolato ligands with heavy-atoms substituents: synthesis, fluorescence and application in OLED devices.

Nanostructured Channel for Improving Emission Efficiency of Hybrid Light-Emitting Field-Effect Transistors (2023)
Journal Article
Galán-González, A., Pander, P., MacKenzie, R. C. I., Bowen, L., Zeze, D. A., Borthwick, R. J., …Chaudhry, M. U. (2023). Nanostructured Channel for Improving Emission Efficiency of Hybrid Light-Emitting Field-Effect Transistors. ACS Photonics, 10(12), 4315-4321. https://doi.org/10.1021/acsphotonics.3c01080

We report on the mechanism of enhancing the luminance and external quantum efficiency (EQE) by developing nanostructured channels in hybrid (organic/inorganic) light-emitting transistors (HLETs) that combine a solution-processed oxide and a polymer h... Read More about Nanostructured Channel for Improving Emission Efficiency of Hybrid Light-Emitting Field-Effect Transistors.

Thermally activated delayed fluorescence in a deep red dinuclear iridium( iii ) complex: a hidden mechanism for short luminescence lifetimes † (2023)
Journal Article
Pander, P., Zaytsev, A. V., Sil, A., Baryshnikov, G. V., Siddique, F., Williams, J. A. G., …Kozhevnikov, V. N. (2023). Thermally activated delayed fluorescence in a deep red dinuclear iridium( iii ) complex: a hidden mechanism for short luminescence lifetimes †. Chemical Science, 14, 13934-13943. https://doi.org/10.1039/d3sc04450e

The high luminescence efficiency of cyclometallated iridium(iii) complexes, including those widely used in OLEDs, is typically attributed solely to the formally spin-forbidden phosphorescence process being facilitated by spin–orbit coupling with the... Read More about Thermally activated delayed fluorescence in a deep red dinuclear iridium( iii ) complex: a hidden mechanism for short luminescence lifetimes †.

Unusual Excimer/Dimer Behavior of a Highly Soluble C,N Platinum(II) Complex with a Spiro-Fluorene Motif. (2023)
Journal Article
Pander, P., Zaytsev, A. V., Franca, L. G., Dias, F. B., & Kozhevnikov, V. N. (2023). Unusual Excimer/Dimer Behavior of a Highly Soluble C,N Platinum(II) Complex with a Spiro-Fluorene Motif. Inorganic Chemistry, 62, 18465 - 18473. https://doi.org/10.1021/acs.inorgchem.3c02667

In this work, we introduce a spiro-fluorene unit into a phenylpyridine (CN)-type ligand as a simple way to deplanarize the structure and increase the solubility of the final platinum(II)···complex. Using a spiro-fluorene unit, orthogonal to the main... Read More about Unusual Excimer/Dimer Behavior of a Highly Soluble C,N Platinum(II) Complex with a Spiro-Fluorene Motif..

Rigidly linked dinuclear platinum( ii ) complexes showing intense, excimer-like, near-infrared luminescence (2023)
Journal Article
Pander, P., Walden, M. T., Salthouse, R. J., Sil, A., Yufit, D. S., Dias, F. B., & Williams, J. A. G. (2023). Rigidly linked dinuclear platinum( ii ) complexes showing intense, excimer-like, near-infrared luminescence. Journal of Materials Chemistry C Materials for optical and electronic devices, 11(43), 15335-15346. https://doi.org/10.1039/d3tc03432a

Many luminescent platinum(ii) complexes undergo face-to-face interactions between neighbouring molecules, leading to bimolecular excited states that may emit at lower energy (dimers and/or excimers). Detailed photophysical studies are reported on din... Read More about Rigidly linked dinuclear platinum( ii ) complexes showing intense, excimer-like, near-infrared luminescence.

Electroluminescence of Tetradentate Pt(II) Complexes: O^N^N^O versus C^N^N^O Coordination (2023)
Journal Article
Pander, P., *Gomes Franca, L., Dias, F. B., & Kozhevnikov, V. N. (2023). Electroluminescence of Tetradentate Pt(II) Complexes: O^N^N^O versus C^N^N^O Coordination. Inorganic Chemistry, 62(14), https://doi.org/10.1021/acs.inorgchem.3c00364

Alkylation of one of the phenolic hydroxyl groups in a salen-type tetradentate ligand changes the coordination mode from O^N^N^O to the cyclometallating C^N^N^O type. The ligand was used to synthesize a new cyclometalated luminescent Pt(II) complex 2... Read More about Electroluminescence of Tetradentate Pt(II) Complexes: O^N^N^O versus C^N^N^O Coordination.