Outputs (280)

Pyridylpyrazole N^N Ligands Combined with Sulfonyl-Functionalised Cyclometalating Ligands for Blue-Emitting Iridium(III) Complexes and Solution-Processable PhOLEDs (2017)
Journal Article
Benjamin, H., Fox, M. A., Batsanov, A. S., Al-Attar, H. A., Li, C., Ren, Z., …Bryce, M. R. (2017). Pyridylpyrazole N^N Ligands Combined with Sulfonyl-Functionalised Cyclometalating Ligands for Blue-Emitting Iridium(III) Complexes and Solution-Processable PhOLEDs. Dalton Transactions, 46, 10996-11007. https://doi.org/10.1039/c7dt02289a

A series of blue iridium(III) complexes (12–15) comprising sulfonyl-functionalised phenylpyridyl cyclometalating ligands and pyridylpyrazole N^N ligands are reported, with an X-ray crystal structure obtained for 12. The complexes are highly emissive... Read More about Pyridylpyrazole N^N Ligands Combined with Sulfonyl-Functionalised Cyclometalating Ligands for Blue-Emitting Iridium(III) Complexes and Solution-Processable PhOLEDs.

Photophysics of an Asymmetric Donor–Acceptor–Donor′ TADF Molecule and Reinterpretation of Aggregation-Induced TADF Emission in These Materials (2017)
Journal Article
Aydemir, M., Xu, S., Chen, C., Bryce, M. R., Chi, Z., & Monkman, A. P. (2017). Photophysics of an Asymmetric Donor–Acceptor–Donor′ TADF Molecule and Reinterpretation of Aggregation-Induced TADF Emission in These Materials. Journal of Physical Chemistry C, 121(33), 17764-17772. https://doi.org/10.1021/acs.jpcc.7b06299

We report an in-depth photophysical investigation of an asymmetric donor–acceptor–donor′ (D–A–D′) thermally activated delayed fluorescence (TADF) molecule (4-(9H-carbazol-9-yl)phenyl)(4-(10H-phenothiazin-10-yl)phenyl)sulfone and compare its photophys... Read More about Photophysics of an Asymmetric Donor–Acceptor–Donor′ TADF Molecule and Reinterpretation of Aggregation-Induced TADF Emission in These Materials.

An optical and electrical study of full thermally activated delayed fluorescent white organic light emitting diodes (2017)
Journal Article
Pereira, D., Santos, P., Ward, J., Data, P., Okazaki, Y., Minakata, S., Bryce, M., & Monkman, A. (2017). An optical and electrical study of full thermally activated delayed fluorescent white organic light emitting diodes. Scientific Reports, 7(1), Article 6234. https://doi.org/10.1038/s41598-017-06568-3

We report on the engineering of full thermally activated delayed fluorescence – based white organic light emitting diodes (W-OLEDs) composed of three emitters (2,7-bis(9,9-dimethyl-acridin-10-yl)-9,9-dimethylthioxanthene-S,S-dioxide (DDMA-TXO2), 2,7-... Read More about An optical and electrical study of full thermally activated delayed fluorescent white organic light emitting diodes.

Optical and Polarity Control of Donor–Acceptor Conformation and Their Charge-Transfer States in Thermally Activated Delayed-Fluorescence Molecules (2017)
Journal Article
dos Santos, P. L., Ward, J. S., Batsanov, A. S., Bryce, M. R., & Monkman, A. P. (2017). Optical and Polarity Control of Donor–Acceptor Conformation and Their Charge-Transfer States in Thermally Activated Delayed-Fluorescence Molecules. Journal of Physical Chemistry C, 121(30), 16462-16469. https://doi.org/10.1021/acs.jpcc.7b03672

This study reports two novel D–A–D molecules, 2,7-bis(phenothiazin-10-yl)-9,9-dimethylthioxanthene-S,S-dioxide (DPT-TXO2) and 2,7-bis(1-methylphenothiazin-10-yl)-9,9-dimethylthioxanthene-S,S-dioxide (DMePT-TXO2), where the latter differs by only a me... Read More about Optical and Polarity Control of Donor–Acceptor Conformation and Their Charge-Transfer States in Thermally Activated Delayed-Fluorescence Molecules.

Fluorescence and Phosphorescence Anisotropy from Oriented Films of Thermally Activated Delayed Fluorescence Emitters (2017)
Journal Article
Higginbotham, H. F., Etherington, M. K., & Monkman, A. P. (2017). Fluorescence and Phosphorescence Anisotropy from Oriented Films of Thermally Activated Delayed Fluorescence Emitters. Journal of Physical Chemistry Letters, 8(13), 2930–2935. https://doi.org/10.1021/acs.jpclett.7b00729

Anisotropy within three TADF materials has been observed using steady-state fluorescence polarisation. This technique has allowed for the observation of differences in polarisation within dilute solution, and both un-stretched and stretched films; th... Read More about Fluorescence and Phosphorescence Anisotropy from Oriented Films of Thermally Activated Delayed Fluorescence Emitters.

Regio- and conformational isomerization critical to design of efficient thermally-activated delayed fluorescence emitters (2017)
Journal Article
Etherington, M. K., Franchello, F., Gibson, J., Northey, T., Santos, J., Ward, J. S., …Monkman, A. P. (2017). Regio- and conformational isomerization critical to design of efficient thermally-activated delayed fluorescence emitters. Nature Communications, 8, Article 14987. https://doi.org/10.1038/ncomms14987

Regio- and conformational isomerization are fundamental in chemistry, with profound effects upon physical properties, however their role in excited state properties is less developed. Here two regioisomers of bis(10H-phenothiazin-10-yl)dibenzo[b,d]th... Read More about Regio- and conformational isomerization critical to design of efficient thermally-activated delayed fluorescence emitters.

Photophysics of Thermally Activated Delayed Fluorescence Molecules (2017)
Journal Article
Dias, F. B., Penfold, T. J., & Monkman, A. P. (2017). Photophysics of Thermally Activated Delayed Fluorescence Molecules. Methods and Applications in Fluorescence, 5(1), Article 012001. https://doi.org/10.1088/2050-6120/aa537e

Thermally activated delayed fluorescence (TADF) has recently emerged as one of the most attractive methods for harvesting triplet states in metal-free organic materials for application in organic light emitting diodes (OLEDs). A large number of TADF... Read More about Photophysics of Thermally Activated Delayed Fluorescence Molecules.

Thermally activated delayed fluorescent phenothiazine–dibenzo[a,j]phenazine–phenothiazine triads exhibiting tricolor-changing mechanochromic luminescence (2017)
Journal Article
Okazaki, M., Takeda, Y., Data, P., Pander, P., Higginbotham, H., Monkman, A. P., & Minakata, S. (2017). Thermally activated delayed fluorescent phenothiazine–dibenzo[a,j]phenazine–phenothiazine triads exhibiting tricolor-changing mechanochromic luminescence. Chemical Science, 8(4), 2677-2686. https://doi.org/10.1039/c6sc04863c

Novel U-shaped donor–acceptor–donor (D–A–D) π-conjugated multi-functional molecules comprising dibenzo[a,j]phenazine (DBPHZ) as an acceptor and phenothiazines (PTZ) as donors have been developed. Most importantly, the D–A–D compounds exhibit not only... Read More about Thermally activated delayed fluorescent phenothiazine–dibenzo[a,j]phenazine–phenothiazine triads exhibiting tricolor-changing mechanochromic luminescence.

Revealing the spin–vibronic coupling mechanism of thermally activated delayed fluorescence (2016)
Journal Article
Etherington, M. K., Gibson, J., Higginbotham, H. F., Penfold, T. J., & Monkman, A. P. (2016). Revealing the spin–vibronic coupling mechanism of thermally activated delayed fluorescence. Nature Communications, 7, Article 13680. https://doi.org/10.1038/ncomms13680

Knowing the underlying photophysics of thermally activated delayed fluorescence (TADF) allows proper design of high efficiency organic light-emitting diodes. We have proposed a model to describe reverse intersystem crossing (rISC) in donor–acceptor c... Read More about Revealing the spin–vibronic coupling mechanism of thermally activated delayed fluorescence.

Indirect consequences of exciplex states on the phosphorescence lifetime of phenazine-based 1,2,3-triazole luminescent probes (2016)
Journal Article
Costa, B. B. A., Jardim, G. A. M., Santos, P. L., Calado, H. D. R., Monkman, A. P., Dias, F. B., da Silva Júnior, E. N., & Cury, L. (2017). Indirect consequences of exciplex states on the phosphorescence lifetime of phenazine-based 1,2,3-triazole luminescent probes. Physical Chemistry Chemical Physics, 19(5), 3473-3479. https://doi.org/10.1039/c6cp06134f

The optical properties of phenazine derivative probe solutions involving intersystem crossing from singlet to triplet states were investigated by time resolved spectroscopy. The room temperature phosphorescence emission presented different time respo... Read More about Indirect consequences of exciplex states on the phosphorescence lifetime of phenazine-based 1,2,3-triazole luminescent probes.