All Outputs (10)

Molecular Rectangles Featuring Two Parallel NCN ‐Coordinated Platinum Units: Enhancing Near‐Infrared Emission Through Excimer Formation (2025)
Journal Article
Salthouse, R. J., Sil, A., Pander, P., Dias, F. B., & Williams, J. A. G. (2025). Molecular Rectangles Featuring Two Parallel NCN ‐Coordinated Platinum Units: Enhancing Near‐Infrared Emission Through Excimer Formation. Chemistry - A European Journal, 31(26), Article e202500834. https://doi.org/10.1002/chem.202500834

New macrocyclic molecules are described that incorporate Pt(NCN) units on opposite edges of a rectangular structure, with xanthene units constituting the other two sides. Here, NCN represents a cyclometallating tridentate ligand based on 2,6‐di(2‐pyr... Read More about Molecular Rectangles Featuring Two Parallel NCN ‐Coordinated Platinum Units: Enhancing Near‐Infrared Emission Through Excimer Formation.

Dinuclear platinum( ii ) complexes emitting through TADF: new ligand design to minimise aggregation and the S 1 –T 1 energy gap (2024)
Journal Article
Pander, P., Dikova, Y. M., Puttock, E. V., & Williams, J. A. G. (2024). Dinuclear platinum( ii ) complexes emitting through TADF: new ligand design to minimise aggregation and the S 1 –T 1 energy gap. Inorganic Chemistry Frontiers, 7191-7668. https://doi.org/10.1039/d4qi02069c

Dinuclear platinum(ii) complexes of a new, ditopic, bis-tridentate NCN–NCN-coordinating ligand, appended with four mesityl groups, are reported. The high radiative rate constants and correspondingly efficient luminescence of the complexes involves th... Read More about Dinuclear platinum( ii ) complexes emitting through TADF: new ligand design to minimise aggregation and the S 1 –T 1 energy gap.

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.

Near-infrared electroluminescence beyond 940 nm in Pt(N^C^N)X complexes: influencing aggregation with the ancillary ligand X (2022)
Journal Article
Salthouse, R. J., Pander, P., Yufit, D. S., Dias, F. B., & Williams, J. G. (2022). Near-infrared electroluminescence beyond 940 nm in Pt(N^C^N)X complexes: influencing aggregation with the ancillary ligand X. Chemical Science, 13(45), 13600-13610. https://doi.org/10.1039/d2sc05023d

We present a study of aggregate excited states formed by complexes of the type Pt(N^C^N)X, where N^C^N represents a tridentate cyclometallating ligand, and X = SCN or I. These materials display near-infrared (NIR) photoluminescence in film and electr... Read More about Near-infrared electroluminescence beyond 940 nm in Pt(N^C^N)X complexes: influencing aggregation with the ancillary ligand X.

Excimer or aggregate? Near infrared electro- and photoluminescence from multimolecular excited states of N^C^N-coordinated platinum(ii) complexes (2022)
Journal Article
Pander, P., Sil, A., Salthouse, R. J., Harris, C. W., Walden, M. T., Yufit, D. S., Williams, J. G., & Dias, F. B. (2022). Excimer or aggregate? Near infrared electro- and photoluminescence from multimolecular excited states of N^C^N-coordinated platinum(ii) complexes. Journal of Materials Chemistry C Materials for optical and electronic devices, 10(40), 15084-15095. https://doi.org/10.1039/d2tc01511k

We present an experimental and theoretical study of aggregate excited states formed by complexes of the type Pt(N^C^N)Cl, which display near-infrared (NIR) photoluminescence in film and NIR electroluminescence in OLED devices. Here, N^C^N represents... Read More about Excimer or aggregate? Near infrared electro- and photoluminescence from multimolecular excited states of N^C^N-coordinated platinum(ii) complexes.

The Role of Dinuclearity in Promoting Thermally Activated Delayed Fluorescence (TADF) in Cyclometallated, N^C^N-coordinated Platinum(II) Complexes (2021)
Journal Article
Pander, P. H., Zaytsev, A., Sil, A., Williams, J. G., Lanoë, P.-H., Kozhevnikov, V. N., & Dias, F. B. (2021). The Role of Dinuclearity in Promoting Thermally Activated Delayed Fluorescence (TADF) in Cyclometallated, N^C^N-coordinated Platinum(II) Complexes. Journal of Materials Chemistry C Materials for optical and electronic devices, 9(32), 10276-10287. https://doi.org/10.1039/d1tc02562g

In this work we present synthesis and an in-depth photophysical analysis of a di-Pt(II) complex with a ditopic bis-N^C^N ligand. The complex exhibits a dual luminescent behaviour by emitting simultaneously delayed fluorescence and phosphorescence. By... Read More about The Role of Dinuclearity in Promoting Thermally Activated Delayed Fluorescence (TADF) in Cyclometallated, N^C^N-coordinated Platinum(II) Complexes.

Exceptionally Fast Radiative Decay of a Dinuclear Platinum Complex Through Thermally Activated Delayed Fluorescence (2021)
Journal Article
Pander, P. H., Daniels, R., Zaytsev, A., Horn, A., Sil, A., Penfold, T., Williams, G., Kozhevnikov, V. N., & Dias, F. B. (2021). Exceptionally Fast Radiative Decay of a Dinuclear Platinum Complex Through Thermally Activated Delayed Fluorescence. Chemical Science, 12(17), 6172-6180. https://doi.org/10.1039/d1sc00160d

A novel dinuclear platinum(II) complex featuring a ditopic, bis-tetradentate ligand has been prepared. The ligand offers each metal ion a planar O^N^C^N coordination environment, with the two metal ions bound to the nitrogen atoms of a bridging pyrim... Read More about Exceptionally Fast Radiative Decay of a Dinuclear Platinum Complex Through Thermally Activated Delayed Fluorescence.

Extended ligand conjugation and dinuclearity as a route to efficient platinum-based near-infrared (NIR) triplet emitters and solution-processed NIR-OLEDs (2020)
Journal Article
Shafikov, M. Z., Pander, P., Zaytsev, A. V., Daniels, R., Martinscroft, R., Dias, F. B., Williams, J. G., & Kozhevnikov, V. N. (2021). Extended ligand conjugation and dinuclearity as a route to efficient platinum-based near-infrared (NIR) triplet emitters and solution-processed NIR-OLEDs. Journal of Materials Chemistry C Materials for optical and electronic devices, 9(1), 127-135. https://doi.org/10.1039/d0tc04881j

Near infrared (NIR) emission from molecular materials is typically targeted by using more extended conjugated systems compared to visible-emitting materials. But efficiencies usually fall off due to the combined effects of increasing non-radiative an... Read More about Extended ligand conjugation and dinuclearity as a route to efficient platinum-based near-infrared (NIR) triplet emitters and solution-processed NIR-OLEDs.

Homoleptic platinum(ii) complexes with pyridyltriazole ligands: excimer-forming phosphorescent emitters for solution-processed OLEDs (2019)
Journal Article
Walden, M. T., Pander, P., Yufit, D. S., Dias, F. B., & Williams, J. G. (2019). Homoleptic platinum(ii) complexes with pyridyltriazole ligands: excimer-forming phosphorescent emitters for solution-processed OLEDs. Journal of Materials Chemistry C Materials for optical and electronic devices, 7(22), 6592--6606. https://doi.org/10.1039/c9tc00768g

Two new homoleptic platinum(II) complexes are reported that feature aryl-appended 5-(2-pyridyl)-1,2,4- triazole chelates acting as N^N ligating ions, PtL1 2 and PtL2 2. Readily prepared from easily accessible proligands, they offer good solubility in... Read More about Homoleptic platinum(ii) complexes with pyridyltriazole ligands: excimer-forming phosphorescent emitters for solution-processed OLEDs.

Dinuclear Design of a Pt(II) Complex Affording Highly Efficient Red Emission: Photophysical Properties and Application in Solution-Processible OLEDs (2019)
Journal Article
Shafikov, M. Z., Daniels, R., Pander, P., Dias, F. B., Williams, J. G., & Kozhevnikov, V. N. (2019). Dinuclear Design of a Pt(II) Complex Affording Highly Efficient Red Emission: Photophysical Properties and Application in Solution-Processible OLEDs. ACS Applied Materials and Interfaces, 11(8), 8182-8193. https://doi.org/10.1021/acsami.8b18928

The light-emitting efficiency of luminescent materials is invariably compromised on moving to the red and near-infrared regions of the spectrum due to the transfer of electronic excited-state energy into vibrations. We describe how this undesirable “... Read More about Dinuclear Design of a Pt(II) Complex Affording Highly Efficient Red Emission: Photophysical Properties and Application in Solution-Processible OLEDs.