‘The Moon Quivered Like a Snake’: A Medieval Chronicler, Lunar Explosions, and a Puzzle for Modern Interpretation (2020)
Journal Article
Gasper, G. E., & Tanner, B. K. (2020). ‘The Moon Quivered Like a Snake’: A Medieval Chronicler, Lunar Explosions, and a Puzzle for Modern Interpretation. Endeavour, 44(4), Article 100750. https://doi.org/10.1016/j.endeavour.2021.100750

Despite some scepticism, the suggestion by Hartung in 1976 that the report in the chronicle of Gervase of Canterbury corresponded to a meteorite impact with the moon in 1178, creating the Giordano Bruno crater, retains considerable support, particula... Read More about ‘The Moon Quivered Like a Snake’: A Medieval Chronicler, Lunar Explosions, and a Puzzle for Modern Interpretation.

Cyclophane Molecules Exhibiting Thermally Activated Delayed Fluorescence: Linking Donor Units to Influence Molecular Conformation (2020)
Journal Article
Hempe, M., Harrison, A. K., Ward, J. S., Batsanov, A. S., Fox, M. A., Dias, F. B., & Bryce, M. R. (2021). Cyclophane Molecules Exhibiting Thermally Activated Delayed Fluorescence: Linking Donor Units to Influence Molecular Conformation. Journal of Organic Chemistry, 86(1), 429-445. https://doi.org/10.1021/acs.joc.0c02174

The synthetic methodology to covalently link donors to form cyclophane-based thermally activated delayed fluorescence (TADF) molecules is presented. These are the first reported examples of TADF cyclophanes with “electronically innocent” bridges betw... Read More about Cyclophane Molecules Exhibiting Thermally Activated Delayed Fluorescence: Linking Donor Units to Influence Molecular Conformation.

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., …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.

Suppressing Dimer Formation by Increasing Conformational Freedom in Multi-Carbazole Thermally Activated Delayed Fluorescence Emitters (2020)
Journal Article
Salah, L., Etherington, M., Shuaib, A., Danos, A., Nazeer, A., Ghazal, B., …Makhseed, S. (2021). Suppressing Dimer Formation by Increasing Conformational Freedom in Multi-Carbazole Thermally Activated Delayed Fluorescence Emitters. Journal of Materials Chemistry C Materials for optical and electronic devices, 9(1), 189-198. https://doi.org/10.1039/d0tc04222f

Ideal emitters for organic light-emitting diodes (OLEDs) are capable of efficiently harvesting non-emissive triplet states, have high colour stabilities, and possess high photoluminescence quantum yields (PLQYs). Maintaining colour stability and PLQY... Read More about Suppressing Dimer Formation by Increasing Conformational Freedom in Multi-Carbazole Thermally Activated Delayed Fluorescence Emitters.

Inelastic Scattering in Electron Backscatter Diffraction and Electron Channeling Contrast Imaging (2020)
Journal Article
Mendis, B. G., Barthel, J., Findlay, S. D., & Allen, L. J. (2020). Inelastic Scattering in Electron Backscatter Diffraction and Electron Channeling Contrast Imaging. Microscopy and Microanalysis, 26(6), 1147-1157. https://doi.org/10.1017/s1431927620024605

Electron backscatter diffraction (EBSD) and electron channeling contrast imaging (ECCI) are used to extract crystallographic information from bulk samples, such as their crystal structure and orientation as well as the presence of any dislocation and... Read More about Inelastic Scattering in Electron Backscatter Diffraction and Electron Channeling Contrast Imaging.

Optical properties and carrier dynamics in Co-doped ZnO nanorods (2020)
Journal Article
Sivan, A. K., Galán-González, A., Di Mario, L., Tappy, N., Hernández-Ferrer, J., Catone, D., …Martelli, F. (2021). Optical properties and carrier dynamics in Co-doped ZnO nanorods. Nanoscale Advances, 3(1), 214-222. https://doi.org/10.1039/d0na00693a

The controlled modification of the electronic properties of ZnO nanorods via transition metal doping is reported. A series of ZnO nanorods were synthesized by chemical bath growth with varying Co content from 0 to 20 atomic% in the growth solution. O... Read More about Optical properties and carrier dynamics in Co-doped ZnO nanorods.

Benzannulation via the use of 1,2,4-triazines extends aromatic system of cyclometallated Pt(II) complexes to achieve candle light electroluminescence (2020)
Journal Article
Pander, P., Turnbull, G., Zaytsev, A. V., Dias, F. B., & Kozhevnikov, V. N. (2021). Benzannulation via the use of 1,2,4-triazines extends aromatic system of cyclometallated Pt(II) complexes to achieve candle light electroluminescence. Dyes and Pigments, 184, Article 108857. https://doi.org/10.1016/j.dyepig.2020.108857

This work describes an application of 1,2,4-triazine methodology for the synthesis of novel cyclometallated Pt (II) complexes of C^N type. It is shown that addition of a cyclopenteno unit into the complex structure not only facilitates the fabricatio... Read More about Benzannulation via the use of 1,2,4-triazines extends aromatic system of cyclometallated Pt(II) complexes to achieve candle light electroluminescence.

Efficient UV Luminescence from Organic-Based Tamm Plasmon Structures Emitting in the Strong Coupling Regime (2020)
Journal Article
Morozov, K. M., Ivanov, K. A., Belonovski, A. V., Girshova, E. I., Pereira, D. D. S., Menelaou, C., …Kaliteevski, M. A. (2020). Efficient UV Luminescence from Organic-Based Tamm Plasmon Structures Emitting in the Strong Coupling Regime. Journal of Physical Chemistry C, 124(39), 21656-21663. https://doi.org/10.1021/acs.jpcc.0c05091

Excitons in organic semiconductors possessing a large oscillator strength demonstrate strong coupling with cavity modes at room temperature. A large Stokes shift in some organic semiconductors enriches and complicates the picture of the emission in s... Read More about Efficient UV Luminescence from Organic-Based Tamm Plasmon Structures Emitting in the Strong Coupling Regime.

Enhanced lifetime of Organic Photovoltaic diodes achieved by blending with PMMA: Impact of morphology and Donor:Acceptor combination (2020)
Journal Article
Nieto-Díaz, B. A., Pearson, C., Al-Busaidi, Z., Bowen, L., Petty, M. C., & Groves, C. (2021). Enhanced lifetime of Organic Photovoltaic diodes achieved by blending with PMMA: Impact of morphology and Donor:Acceptor combination. Solar Energy Materials and Solar Cells, 219, Article 110765. https://doi.org/10.1016/j.solmat.2020.110765

In order to realise the potential of organic photovoltaic devices (OPVs) to provide cheap, scalable access to renewable energy, it is necessary to improve their lifetime and cost of encapsulation. The aim of this work is to achieve these aims by blen... Read More about Enhanced lifetime of Organic Photovoltaic diodes achieved by blending with PMMA: Impact of morphology and Donor:Acceptor combination.

Microscopic Analysis of Interdiffusion and Void Formation in CdTe(1–x)Sex and CdTe Layers (2020)
Journal Article
Baines, T., Bowen, L., Mendis, B. G., & Major, J. D. (2020). Microscopic Analysis of Interdiffusion and Void Formation in CdTe(1–x)Sex and CdTe Layers. ACS Applied Materials and Interfaces, 12(34), 38070-38075. https://doi.org/10.1021/acsami.0c09381

The use of CdSe layers has recently emerged as a route to improving CdTe photovoltaics through the formation of a CdTe(1–x)Sex (CST) phase. However, the extent of the Se diffusion and the influence it has on the CdTe grain structure has not been wide... Read More about Microscopic Analysis of Interdiffusion and Void Formation in CdTe(1–x)Sex and CdTe Layers.

Photophysics of TADF guest-host systems: introducing the idea of hosting potential (2020)
Journal Article
Stavrou, K., Gomes Franca, L., & Monkman, A. P. (2020). Photophysics of TADF guest-host systems: introducing the idea of hosting potential. ACS Applied Electronic Materials, 2(9), 2868-2881. https://doi.org/10.1021/acsaelm.0c00514

The thermally activated delayed fluorescence (TADF) donor-acceptor (D-A) molecule, DMAC-TRZ, is used as a TADF emitter ‘probe’ to distinguish the environmental effects of a range of solid state host materials in guest-host systems. Using the guest’s... Read More about Photophysics of TADF guest-host systems: introducing the idea of hosting potential.

Navigating CIE Space for Efficient TADF Downconversion WOLEDs (2020)
Journal Article
Aksoy, E., Danos, A., Varlikli, C., & Monkman, A. P. (2020). Navigating CIE Space for Efficient TADF Downconversion WOLEDs. Dyes and Pigments, 183, Article 108707. https://doi.org/10.1016/j.dyepig.2020.108707

High efficiency orange and green emitting perylene dyes have been synthesised and dispersed in an inert polymer host to form an optical downconversion layer. To avoid dye aggregation and allow controlled colour tuning, this layer was deposited in mul... Read More about Navigating CIE Space for Efficient TADF Downconversion WOLEDs.

Cobalt-Doped ZnO Nanorods Coated with Nanoscale Metal-Organic Framework Shells for Water-Splitting Photoanodes (2020)
Journal Article
Galan Gonzalez, A., Sivan, A. K., Hernández Ferrer, J., Bowen, L., Di Mario, L., Martelli, F., …Atkinson, D. (2020). Cobalt-Doped ZnO Nanorods Coated with Nanoscale Metal-Organic Framework Shells for Water-Splitting Photoanodes. ACS Applied Nano Material, 3(8), 7781-7788. https://doi.org/10.1021/acsanm.0c01325

Developing highly efficient and stable photoelectrochemical (PEC) water splitting electrodes via inexpensive, liquid phase processing is one of the key challenges for the conversion of solar energy into hydrogen for sustainable energy production. ZnO... Read More about Cobalt-Doped ZnO Nanorods Coated with Nanoscale Metal-Organic Framework Shells for Water-Splitting Photoanodes.

Theory underpinning multislice simulations with plasmon energy losses (2020)
Journal Article
Mendis, B. (2020). Theory underpinning multislice simulations with plasmon energy losses. Microscopy, 69(3), 173-175. https://doi.org/10.1093/jmicro/dfaa003

The theoretical conditions for small-angle inelastic scattering where the incident electron can effectively be treated as a particle moving in a uniform potential is examined. The motivation for this work is the recent development of a multislice met... Read More about Theory underpinning multislice simulations with plasmon energy losses.

Luminescent halogen-substituted 2-(N-arylimino)pyrrolyl boron complexes: the internal heavy-atom effect (2020)
Journal Article
Rodrigues, A. I., Krishnamoorthy, P., Gomes, C. S., Carmona, N., Di Paolo, R. E., Pander, P., …Gomes, P. T. (2020). Luminescent halogen-substituted 2-(N-arylimino)pyrrolyl boron complexes: the internal heavy-atom effect. Dalton Transactions, 49(29), 10185-10202. https://doi.org/10.1039/d0dt01845g

A group of new boron complexes [BPh2{2N,N’-NC4H3-2-C(H)=N-C6H4X}] (X= 4-Cl 4c, 4-Br 4d, 4-I 4e, 3-Br 4f, 2-Br 4g, 2-I 4h) containing different halogens as substituents in the N-aryl ring have been synthesized and characterized in terms of their mole... Read More about Luminescent halogen-substituted 2-(N-arylimino)pyrrolyl boron complexes: the internal heavy-atom effect.

Modulation of Charge Transfer by N-Alkylation to Control Photoluminescence Energy and Quantum Yield (2020)
Journal Article
Turley, A., Danos, A., Prlj, A., Monkman, A., Curchod, B., McGonigal, P., & Etherington, M. (2020). Modulation of Charge Transfer by N-Alkylation to Control Photoluminescence Energy and Quantum Yield. Chemical Science, 11(27), 6990-6995. https://doi.org/10.1039/d0sc02460k

Charge transfer in organic fluorophores is a fundamental photophysical process that can be either beneficial, e.g., facilitating thermally activated delayed fluorescence, or detrimental, e.g., mediating emission quenching. N-Alkylation is shown to pr... Read More about Modulation of Charge Transfer by N-Alkylation to Control Photoluminescence Energy and Quantum Yield.

Angular dependence of fast-electron scattering from materials (2020)
Journal Article
Barthel, J., Cattaneo, M., Mendis, B. G., Findlay, S. D., & Allen, L. J. (2020). Angular dependence of fast-electron scattering from materials. Physical Review B, 101(18), Article 184109. https://doi.org/10.1103/physrevb.101.184109

Angular resolved scanning transmission electron microscopy is an important tool for investigating the properties of materials. However, several recent studies have observed appreciable discrepancies in the angular scattering distribution between expe... Read More about Angular dependence of fast-electron scattering from materials.

Evidence for Self-healing Benign Grain Boundaries and a Highly Defective Sb2Se3–CdS Interfacial Layer in Sb2Se3 Thin-Film Photovoltaics (2020)
Journal Article
Williams, R. E., Ramasse, Q. M., McKenna, K. P., Phillips, L. J., Yates, P. J., Hutter, O. S., …Mendis, B. G. (2020). Evidence for Self-healing Benign Grain Boundaries and a Highly Defective Sb2Se3–CdS Interfacial Layer in Sb2Se3 Thin-Film Photovoltaics. ACS Applied Materials and Interfaces, 12(19), 21730-21738. https://doi.org/10.1021/acsami.0c03690

The crystal structure of Sb2Se3 gives rise to unique properties that cannot otherwise be achieved with conventional thin-film photovoltaic materials, such as CdTe or Cu(In,Ga)Se2. It has previously been proposed that grain boundaries can be made beni... Read More about Evidence for Self-healing Benign Grain Boundaries and a Highly Defective Sb2Se3–CdS Interfacial Layer in Sb2Se3 Thin-Film Photovoltaics.

TADF Dye-Loaded Nanoparticles for Fluorescence Live-Cell Imaging (2020)
Journal Article
Crucho, C. I., Avó, J., Diniz, A. M., Pinto, S. N., Barbosa, J., Smith, P. O., …Dias, F. B. (2020). TADF Dye-Loaded Nanoparticles for Fluorescence Live-Cell Imaging. Frontiers in Chemistry, 8, Article 404. https://doi.org/10.3389/fchem.2020.00404

Thermally activated delayed fluorescence (TADF) molecules offer nowadays a powerful tool in the development of novel organic light emitting diodes due to their capability of harvesting energy from non-emissive triplet states without using heavy-metal... Read More about TADF Dye-Loaded Nanoparticles for Fluorescence Live-Cell Imaging.

Excited State Dynamics of Thermally Activated Delayed Fluorescence from an Excited State Intramolecular Proton Transfer System (2020)
Journal Article
Long, Y., Mamada, M., Li, C., dos Santos, P. L., Colella, M., Danos, A., …Monkman, A. (2020). Excited State Dynamics of Thermally Activated Delayed Fluorescence from an Excited State Intramolecular Proton Transfer System. Journal of Physical Chemistry Letters, 11(9), 3305-3312. https://doi.org/10.1021/acs.jpclett.0c00498

We describe the photophysical processes that give rise to thermally activated delayed fluorescence in the excited state intramolecular proton transfer (ESIPT) molecule, triquinolonobenzene (TQB). Using transient absorption and time-resolved photolumi... Read More about Excited State Dynamics of Thermally Activated Delayed Fluorescence from an Excited State Intramolecular Proton Transfer System.