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Synthesis and Luminescence Properties of Cycloplatinated Complexes with a Chelating N∧C Pyridine-Derived N-Heterocyclic Carbene - Influence of 2,4,6-Triphenyl­phosphinine versus Triphenylphosphine (2016)
Journal Article
Moussa, J., Freeman, G. R., Williams, J. G., Chamoreau, L., Herson, P., & Amouri, H. (2016). Synthesis and Luminescence Properties of Cycloplatinated Complexes with a Chelating N∧C Pyridine-Derived N-Heterocyclic Carbene - Influence of 2,4,6-Triphenyl­phosphinine versus Triphenylphosphine. European Journal of Inorganic Chemistry, 2016(5), https://doi.org/10.1002/ejic.201500879

Tuning the dipolar second-order nonlinear optical properties of 5-π-delocalized-donor-1,3-di(2-pyridyl) benzenes, related cyclometallated platinum(II) complexes and methylated salts (2016)
Journal Article
Nisic, F., Cariati, E., Colombo, A., Dragonetti, C., Fantacci, S., Garoni, E., …Williams, J. (2017). Tuning the dipolar second-order nonlinear optical properties of 5-π-delocalized-donor-1,3-di(2-pyridyl) benzenes, related cyclometallated platinum(II) complexes and methylated salts. Dalton Transactions, 46(4), 1179-1185. https://doi.org/10.1039/c6dt04359c

The synthesis and characterization of three 5-π-delocalized-donor-1,3-di(2-pyridyl)benzenes is reported along with that of their related cyclometallated platinum(II) complexes and N,N-dimethylated iodide salts. The second-order nonlinear optical (NLO... Read More about Tuning the dipolar second-order nonlinear optical properties of 5-π-delocalized-donor-1,3-di(2-pyridyl) benzenes, related cyclometallated platinum(II) complexes and methylated salts.

Synthesis and Chiroptical Properties of Hexa-, Octa-, and Decaazaborahelicenes: Influence of Helicene Size and of the Number of Boron Atoms (2016)
Journal Article
Shen, C., Srebro-Hooper, M., Jean, M., Vanthuyne, N., Toupet, L., Williams, J., …Crassous, J. (2017). Synthesis and Chiroptical Properties of Hexa-, Octa-, and Decaazaborahelicenes: Influence of Helicene Size and of the Number of Boron Atoms. Chemistry - A European Journal, 23(2), 407-418. https://doi.org/10.1002/chem.201604398

Four members of a new class of cycloborylated hexa-, octa-, and deca-helicenes (1 a–d) have been prepared in enantiopure form, along with two cycloplatinated deca-helicenes (1 d′, 1 d1), further extending the family of cycloplatinated hexa- and octa-... Read More about Synthesis and Chiroptical Properties of Hexa-, Octa-, and Decaazaborahelicenes: Influence of Helicene Size and of the Number of Boron Atoms.

Metal Complexes for Two-Photon Photodynamic Therapy: A Cyclometallated Iridium Complex Induces Two-Photon Photosensitization of Cancer Cells under Near-IR Light (2016)
Journal Article
McKenzie, L., Sazanovich, I., Baggaley, E., Bonneau, M., Guerchais, V., Williams, J., …Bryant, H. (2017). Metal Complexes for Two-Photon Photodynamic Therapy: A Cyclometallated Iridium Complex Induces Two-Photon Photosensitization of Cancer Cells under Near-IR Light. Chemistry - A European Journal, 23(2), 234-238. https://doi.org/10.1002/chem.201604792

Photodynamic therapy (PDT) uses photosensitizers (PS) which only become cytotoxic upon light-irradiation. Transition-metal complexes are highly promising PS due to long excited-state lifetimes, and high photo-stabilities. However, these complexes usu... Read More about Metal Complexes for Two-Photon Photodynamic Therapy: A Cyclometallated Iridium Complex Induces Two-Photon Photosensitization of Cancer Cells under Near-IR Light.

New N^C^N-coordinated Pd(ii) and Pt(ii) complexes of a tridentate N-heterocyclic carbene ligand featuring a 6-membered central ring: synthesis, structures and luminescence (2016)
Journal Article
Moussa, J., Haddouche, K., Chamoreau, L., Amouri, H., & Williams, J. (2016). New N^C^N-coordinated Pd(ii) and Pt(ii) complexes of a tridentate N-heterocyclic carbene ligand featuring a 6-membered central ring: synthesis, structures and luminescence. Dalton Transactions, 45(32), https://doi.org/10.1039/c6dt02415g

We describe Pd(II) and Pt(II) complexes of an N^C^N-coordinating pincer-like ligand featuring two lateral pyridine rings and a 6-membered carbene core. Their crystal structures display 1-dimensional chains with short π–π and M(II)⋯M(II) interactions.... Read More about New N^C^N-coordinated Pd(ii) and Pt(ii) complexes of a tridentate N-heterocyclic carbene ligand featuring a 6-membered central ring: synthesis, structures and luminescence.

Conformational changes and chiroptical switching of enantiopure bis-helicenic terpyridine upon Zn2+binding (2016)
Journal Article
Isla, H., Srebro-Hooper, M., Jean, M., Vanthuyne, N., Roisnel, T., Lunkley, J. L., …Crassous, J. (2016). Conformational changes and chiroptical switching of enantiopure bis-helicenic terpyridine upon Zn2+binding. Chemical Communications, 52(35), 5932-5935. https://doi.org/10.1039/c6cc01748g

The molecular conformation of a bis-helicenic terpyridine system is strongly modified upon binding to Zn(II) ion, a process that is accompanied by large changes in the optical and chiroptical properties. This system affords a new type of helicene-bas... Read More about Conformational changes and chiroptical switching of enantiopure bis-helicenic terpyridine upon Zn2+binding.

Bimetallic Gold(I) Complexes with Ethynyl-Helicene and Bis-Phosphole Ligands: Understanding the Role of Aurophilic Interactions in their Chiroptical Properties (2016)
Journal Article
El Sayed Moussa, M., Chen, H., Wang, Z., Srebro-Hooper, M., Vanthuyne, N., Chevance, S., …Crassous, J. (2016). Bimetallic Gold(I) Complexes with Ethynyl-Helicene and Bis-Phosphole Ligands: Understanding the Role of Aurophilic Interactions in their Chiroptical Properties. Chemistry - A European Journal, 22(17), 6075-6086. https://doi.org/10.1002/chem.201600126

Monometallic gold(I)-alkynyl-helicene complexes (1 a,b) and bimetallic gold(I)-alkynyl-helicene architectures featuring the presence (2 a,b) or absence (3 a,b) of aurophilic intramolecular interactions were prepared by using different types of phosph... Read More about Bimetallic Gold(I) Complexes with Ethynyl-Helicene and Bis-Phosphole Ligands: Understanding the Role of Aurophilic Interactions in their Chiroptical Properties.

When two are better than one: bright phosphorescence from non-stereogenic dinuclear iridium(III) complexes (2016)
Journal Article
Daniels, R., Culham, S., Hunter, M., Durrant, M., Probert, M., Clegg, W., …Kozhevnikov, V. (2016). When two are better than one: bright phosphorescence from non-stereogenic dinuclear iridium(III) complexes. Dalton Transactions, 45(16), 6949-6962. https://doi.org/10.1039/c6dt00881j

A new family of eight dinuclear iridium(III) complexes has been prepared, featuring 4,6-diarylpyrimidines Ly as bis-N^C-coordinating bridging ligands. The metal ions are also coordinated by a terminal N^C^N-cyclometallating ligand LX based on 1,3-di(... Read More about When two are better than one: bright phosphorescence from non-stereogenic dinuclear iridium(III) complexes.

Pressure-induced variations of MLCT and ligand-centered luminescence spectra in square-planar platinum(II) complexes (2016)
Journal Article
Rodrigue-Witchel, A., Rochester, D. L., Zhao, S., Lavelle, K. B., Williams, J. G., Wang, S., …Reber, C. (2016). Pressure-induced variations of MLCT and ligand-centered luminescence spectra in square-planar platinum(II) complexes. Polyhedron, 108, 151-155. https://doi.org/10.1016/j.poly.2015.12.011

Solid-state luminescence spectra of five crystalline platinum(II) complexes at variable pressure and temperature are presented and compared. Maxima occur between 14 000 cm−1 and 15 600 cm−1 (approximately 700–640 nm) at ambient temperature and pressu... Read More about Pressure-induced variations of MLCT and ligand-centered luminescence spectra in square-planar platinum(II) complexes.