All Outputs (245)

Rigid and planar π-conjugated molecules leading to long-lived intramolecular charge-transfer states exhibiting thermally activated delayed fluorescence (2024)
Journal Article
Kuila, S., Miranda-Salinas, H., Eng, J., Li, C., Bryce, M. R., Penfold, T. J., & Monkman, A. P. (2024). Rigid and planar π-conjugated molecules leading to long-lived intramolecular charge-transfer states exhibiting thermally activated delayed fluorescence. Nature Communications, 15, Article 9611. https://doi.org/10.1038/s41467-024-53740-1

Intramolecular charge transfer (ICT) occurs when photoexcitation causes electron transfer from an electron donor to an electron acceptor within the same molecule and is usually stabilized by decoupling of the donor and acceptor through an orthogonal... Read More about Rigid and planar π-conjugated molecules leading to long-lived intramolecular charge-transfer states exhibiting thermally activated delayed fluorescence.

One-pot preparation of nonconventional luminescent polymer gels driven by polymerization (2024)
Journal Article
Jiang, N., Pu, X., Li, K.-X., Zhu, C.-Y., Sun, Y.-W., Xu, Y.-H., Zhu, Y.-L., & Bryce, M. R. (2024). One-pot preparation of nonconventional luminescent polymer gels driven by polymerization. Polymer Chemistry, 15(40), 4101-4106. https://doi.org/10.1039/d4py00832d

Nonconventional chromophores are good candidates for preparing luminous gels because their luminescence is usually enhanced in the aggregated state. In this work, a simple one-pot strategy for polymerization-induced gelation of polymer fluorescent ge... Read More about One-pot preparation of nonconventional luminescent polymer gels driven by polymerization.

Nonconjugated Polyurethane Derivatives with Aggregation-Induced Luminochromism for Multicolor and White Photoluminescent Films (2024)
Journal Article
Jiang, N., Meng, Y.-J., Zhu, C.-Y., Li, K.-X., Li, X., Xu, Y.-H., Xu, J.-W., & Bryce, M. R. (online). Nonconjugated Polyurethane Derivatives with Aggregation-Induced Luminochromism for Multicolor and White Photoluminescent Films. ACS Macro Letters, 1226-1232. https://doi.org/10.1021/acsmacrolett.4c00534

A simple and effective strategy to obtain solid-state multicolor emitting materials is a particularly attractive topic. Nonconventional/nonconjugated polymers are receiving widespread attention because of their advantages of rich structural diversity... Read More about Nonconjugated Polyurethane Derivatives with Aggregation-Induced Luminochromism for Multicolor and White Photoluminescent Films.

The Conductance and Thermopower Behavior of Pendent Trans -Coordinated Palladium(II) Complexes in Single-Molecule Junctions (2024)
Journal Article
Bastante, P., Davidson, R. J., Al Malki, W., Salthouse, R. J., Cea, P., Martin, S., Batsanov, A. S., Lambert, C. J., Bryce, M. R., & Agrait, N. (2024). The Conductance and Thermopower Behavior of Pendent Trans -Coordinated Palladium(II) Complexes in Single-Molecule Junctions. ACS Omega, 9(36), 38303-38312. https://doi.org/10.1021/acsomega.4c06475

The present work provides insight into the effect of connectivity within isomeric 1,2-bis­(2-pyridylethynyl)­benzene (bpb) palladium complexes on their electron transmission properties within gold|single-molecule|gold junctions. The ligands 2,2′-((4,... Read More about The Conductance and Thermopower Behavior of Pendent Trans -Coordinated Palladium(II) Complexes in Single-Molecule Junctions.

Long-wavelength triggered iridium( iii ) complex nanoparticles for photodynamic therapy against hypoxic cancer (2024)
Journal Article
Liu, S., Wang, Z., Wu, Z., Chen, H., Zhu, D., Li, G., Yan, M., Bryce, M. R., & Chang, Y. (online). Long-wavelength triggered iridium( iii ) complex nanoparticles for photodynamic therapy against hypoxic cancer. Chemical Communications, https://doi.org/10.1039/d4cc03501a

A long-wavelength triggered cationic iridium(iii) complex, Ir5, and its corresponding nanoparticles with the ability to generate type I and type II reactive oxygen species have been synthesised. The complex targets mitochondria and achieves an excell... Read More about Long-wavelength triggered iridium( iii ) complex nanoparticles for photodynamic therapy against hypoxic cancer.

Self-Chemiluminescence-Triggered Ir(III) Complex Photosensitizer for Photodynamic Therapy against Hypoxic Tumor (2024)
Journal Article
Liu, S., Chen, H., Wu, Q., Sun, Y., Pei, Y., Wang, Z., Zhu, D., Li, G., Bryce, M. R., & Chang, Y. (2024). Self-Chemiluminescence-Triggered Ir(III) Complex Photosensitizer for Photodynamic Therapy against Hypoxic Tumor. Inorganic Chemistry, 63(35), 16404-16417. https://doi.org/10.1021/acs.inorgchem.4c02399

The limited optical penetration depth and hypoxic tumor microenvironment (TME) are key factors that hinder the practical applications of conventional photodynamic therapy (PDT). To fundamentally address these issues, self-luminescent photosensitizers... Read More about Self-Chemiluminescence-Triggered Ir(III) Complex Photosensitizer for Photodynamic Therapy against Hypoxic Tumor.

Exciplex, Not Heavy-Atom Effect, Controls the Triplet Dynamics of a Series of Sulfur-Containing Thermally Activated Delayed Fluorescence Molecules (2024)
Journal Article
Öner, S., Kuila, S., Stavrou, K., Danos, A., Fox, M. A., Monkman, A. P., & Bryce, M. R. (2024). Exciplex, Not Heavy-Atom Effect, Controls the Triplet Dynamics of a Series of Sulfur-Containing Thermally Activated Delayed Fluorescence Molecules. Chemistry of Materials, 36(15), 7135-7150. https://doi.org/10.1021/acs.chemmater.4c00850

The efficiency of thermally activated delayed fluorescence (TADF) in organic materials relies on rapid intersystem crossing rates and fast conversion of triplet (T) excitons into a singlet (S) state. Heavy atoms such as sulfur or selenium are now fre... Read More about Exciplex, Not Heavy-Atom Effect, Controls the Triplet Dynamics of a Series of Sulfur-Containing Thermally Activated Delayed Fluorescence Molecules.

Recent Progress in Nonconventional Luminescent Macromolecules and their Applications (2024)
Journal Article
Jiang, N., Zhu, C.-Y., Li, K.-X., Xu, Y.-H., & Bryce, M. R. (2024). Recent Progress in Nonconventional Luminescent Macromolecules and their Applications. Macromolecules, 57(12), 5561-5577. https://doi.org/10.1021/acs.macromol.4c00186

Traditional π-conjugated luminescent macromolecules typically suffer from aggregation-caused quenching (ACQ) and high cytotoxicity, and they require complex synthetic processes. In contrast, nonconventional luminescent macromolecules (NCLMs) with non... Read More about Recent Progress in Nonconventional Luminescent Macromolecules and their Applications.

“Three birds with one stone” nanoplatform: Efficient near‐infrared‐triggered type‑I AIE photosensitizer for mitochondria‐targeted photodynamic therapy against hypoxic tumors (2024)
Journal Article
Liu, S., Pei, Y., Sun, Y., Wang, Z., Chen, H., Zhu, D., Bryce, M. R., Tang, B. Z., & Chang, Y. (online). “Three birds with one stone” nanoplatform: Efficient near‐infrared‐triggered type‑I AIE photosensitizer for mitochondria‐targeted photodynamic therapy against hypoxic tumors. Aggregate, Article e547. https://doi.org/10.1002/agt2.547

Currently three major problems seriously limit the practical application of cancer photodynamic therapy (PDT): (i) the hypoxic tumor microenvironment (TME); (ii) low generation efficiency of toxic reactive oxygen species (ROS) in aggregates and (iii)... Read More about “Three birds with one stone” nanoplatform: Efficient near‐infrared‐triggered type‑I AIE photosensitizer for mitochondria‐targeted photodynamic therapy against hypoxic tumors.

Exploring the Impact of the HOMO–LUMO Gap on Molecular Thermoelectric Properties: A Comparative Study of Conjugated Aromatic, Quinoidal, and Donor–Acceptor Core Systems (2024)
Journal Article
Blankevoort, N., Bastante, P., Davidson, R. J., Salthouse, R. J., Daaoub, A. H. S., Cea, P., …Sadeghi, H. (2024). Exploring the Impact of the HOMO–LUMO Gap on Molecular Thermoelectric Properties: A Comparative Study of Conjugated Aromatic, Quinoidal, and Donor–Acceptor Core Systems. ACS Omega, 9(7), 8471-8477. https://doi.org/10.1021/acsomega.3c09760

Thermoelectric materials have garnered significant interest for their potential to efficiently convert waste heat into electrical energy at room temperature without moving parts or harmful emissions. This study investigated the impact of the HOMO–LUM... Read More about Exploring the Impact of the HOMO–LUMO Gap on Molecular Thermoelectric Properties: A Comparative Study of Conjugated Aromatic, Quinoidal, and Donor–Acceptor Core Systems.

Amphiphilic Polyurethane with Cluster-Induced Emission for Multichannel Bioimaging in Living Cell Systems. (2023)
Journal Article
Jiang, N., Li, K., Wang, J., Zhu, Y., Zhu, C., Xu, Y., & Bryce, M. R. (2024). Amphiphilic Polyurethane with Cluster-Induced Emission for Multichannel Bioimaging in Living Cell Systems. ACS Macro Letters, 13(1), 52-57. https://doi.org/10.1021/acsmacrolett.3c00657

The development of single-component materials with low cytotoxicity and multichannel fluorescence imaging capability is a research hotspot. In the present work, highly electron-deficient pyrazine monomers were covalently connected into a polyurethane... Read More about Amphiphilic Polyurethane with Cluster-Induced Emission for Multichannel Bioimaging in Living Cell Systems..

Cluster-induced aggregation in polyurethane derivatives with multicolour emission and ultra-long organic room temperature phosphorescence (2023)
Journal Article
Jiang, N., Li, K.-X., Wang, J.-J., Li, C.-S., Xu, X.-Y., Xu, Y.-H., & Bryce, M. R. (2024). Cluster-induced aggregation in polyurethane derivatives with multicolour emission and ultra-long organic room temperature phosphorescence. Journal of Materials Chemistry C Materials for optical and electronic devices, 12(3), 1040-1046. https://doi.org/10.1039/d3tc04141g

Non-conjugated luminescent polymers (NCLPs) have the advantages of simple synthesis, optical tunability, and excellent processability. However, the underlying luminous mechanism in NCLPs remains obscure and it is a considerable challenge to obtain NC... Read More about Cluster-induced aggregation in polyurethane derivatives with multicolour emission and ultra-long organic room temperature phosphorescence.

Structural Diversity in Cyclometalated Diiridium(III) Complexes with Bridging syn and anti μ2‐Oxamidato and μ2‐Dithioxamidato Ligands (2023)
Journal Article
M'hamedi, A., Batsanov, A. S., Fox, M. A., Aguilar, J. A., & Bryce, M. R. (2023). Structural Diversity in Cyclometalated Diiridium(III) Complexes with Bridging syn and anti μ2‐Oxamidato and μ2‐Dithioxamidato Ligands. European Journal of Inorganic Chemistry, 26(34), Article e202300423. https://doi.org/10.1002/ejic.202300423

Six new diiridium complexes containing 2-methyl-6-phenylpyridyl as the cyclometalating ligand with a μ2-oxamidato or a μ2-dithioxamidato ligand as the bridge have been synthesized in 60–73 % yields. These complexes were revealed by multinuclear NMR s... Read More about Structural Diversity in Cyclometalated Diiridium(III) Complexes with Bridging syn and anti μ2‐Oxamidato and μ2‐Dithioxamidato Ligands.

Multicolor Luminescence of a Polyurethane Derivative Driven by Heat/Light-Induced Aggregation (2023)
Journal Article
Jiang, N., Li, K., Xie, W., Zhang, S., Li, X., Hu, Y., …Bryce, M. R. (2023). Multicolor Luminescence of a Polyurethane Derivative Driven by Heat/Light-Induced Aggregation. Macromolecules, 56(19), 7721-7728. https://doi.org/10.1021/acs.macromol.3c01345

The study of aggregate formation and its controllable effect on luminescence behavior has a far-reaching influence in establishing a universal aggregation photophysical mechanism. In this paper, we obtained clusters with different extents of aggregat... Read More about Multicolor Luminescence of a Polyurethane Derivative Driven by Heat/Light-Induced Aggregation.

Near-Infrared Afterglow ONOO–-Triggered Nanoparticles for Real-Time Monitoring and Treatment of Early Ischemic Stroke (2023)
Journal Article
Zhang, L., Wang, Y.-C., Liao, Y., Zhang, Q., Liu, X., Zhu, D., Feng, H., Bryce, M. R., & Ren, L. (2023). Near-Infrared Afterglow ONOO–-Triggered Nanoparticles for Real-Time Monitoring and Treatment of Early Ischemic Stroke. ACS Applied Materials and Interfaces, 15(39), https://doi.org/10.1021/acsami.3c08033

Early detection and drug intervention with the appropriate timing and dosage are the main clinical challenges for ischemic stroke (IS) treatment. The conventional therapeutic agents relay fluorescent signals, which require real-time external light ex... Read More about Near-Infrared Afterglow ONOO–-Triggered Nanoparticles for Real-Time Monitoring and Treatment of Early Ischemic Stroke.

Aggregation-Induced Emission (AIE), Life and Health (2023)
Journal Article
Wang, H., Li, Q., Alam, P., Bai, H., Bhalla, V., Bryce, M. R., Cao, M., Chen, C., Chen, S., Chen, X., Chen, Y., Chen, Z., Dang, D., Ding, D., Ding, S., Duo, Y., Gao, M., He, W., He, X., Hong, X., …Tang, B. Z. (2023). Aggregation-Induced Emission (AIE), Life and Health. ACS Nano, 17(15), 14347–14405. https://doi.org/10.1021/acsnano.3c03925

Electronic Conductance and Thermopower of Cross-Conjugated and Skipped-Conjugated Molecules in Single-Molecule Junctions (2023)
Journal Article
Salthouse, R. J., Hurtado-Gallego, J., Grace, I. M., Davidson, R., Alshammari, O., Agraït, N., …Bryce, M. R. (2023). Electronic Conductance and Thermopower of Cross-Conjugated and Skipped-Conjugated Molecules in Single-Molecule Junctions. Journal of Physical Chemistry C, 127(28), 13751-13758. https://doi.org/10.1021/acs.jpcc.3c00742

We report a combined experimental and theoretical study of a series of thiomethyl (SMe) anchored cross-conjugated molecules featuring an acyclic central bridging ketone and their analogous skipped-conjugated alcohol derivatives. Studies of these mole... Read More about Electronic Conductance and Thermopower of Cross-Conjugated and Skipped-Conjugated Molecules in Single-Molecule Junctions.

Full thermoelectric characterization of a single molecule (2023)
Journal Article
Gemma, A., Tabatabaei, F., Drechsler, U., Zulji, A., Dekkiche, H., Mosso, N., …Gotsmann, B. (2023). Full thermoelectric characterization of a single molecule. Nature Communications, 14(1), Article 3868. https://doi.org/10.1038/s41467-023-39368-7

Molecules are predicted to be chemically tunable towards high thermoelectric efficiencies and they could outperform existing materials in the field of energy conversion. However, their capabilities at the more technologically relevant temperature of... Read More about Full thermoelectric characterization of a single molecule.

A review of fused-ring carbazole derivatives as emitter and/or host materials in organic light emitting diode (OLED) applications (2023)
Journal Article
Oner, S., & Bryce, M. R. (2023). A review of fused-ring carbazole derivatives as emitter and/or host materials in organic light emitting diode (OLED) applications. Materials Chemistry Frontiers, 7(19), 4304–4338. https://doi.org/10.1039/d3qm00399j

This review focuses on fused-ring carbazole derivatives, their molecular design, electronic and photophysical properties, and in particular their applications as the emitter and/or the host material in the emitting layer of organic light emitting dio... Read More about A review of fused-ring carbazole derivatives as emitter and/or host materials in organic light emitting diode (OLED) applications.

Oxidation State Tuning of Room Temperature Phosphorescence and Delayed Fluorescence in Phenothiazine and Phenothiazine‐5,5‐dioxide Dimers (2023)
Journal Article
Wright, I. A., Etherington, M. K., Batsanov, A. S., Monkman, A. P., & Bryce, M. R. (2023). Oxidation State Tuning of Room Temperature Phosphorescence and Delayed Fluorescence in Phenothiazine and Phenothiazine‐5,5‐dioxide Dimers. Chemistry - A European Journal, 29(30), Article e202300428. https://doi.org/10.1002/chem.202300428

Heterocyclic dimers consisting of combinations of butterfly-shaped phenothiazine (PTZ) and its chemically oxidized form phenothiazine-5,5-dioxide (PTZ(SO2)) have been synthesized. A twist is imposed across the dimers by ortho-substituents including m... Read More about Oxidation State Tuning of Room Temperature Phosphorescence and Delayed Fluorescence in Phenothiazine and Phenothiazine‐5,5‐dioxide Dimers.