Journal ArticleDOI
Thermochromic Solid-State Emission of Dipyridyl Sulfoxide Cu(I) Complexes
TLDR
In this article, sulfoxide-bridged dipyridyl ligands are used to give Cu-Me-DPSO, which exhibits photophysical properties typical with [Cu(disphosphine)(diimine)]+ complexes.Abstract:
Copper(I) complexes (Cu-DPSO and Cu-Me-DPSO) utilizing sulfoxide-bridged dipyridyl ligands are reported. Cu-DPSO demonstrates photophysical properties typical with [Cu(disphosphine)(diimine)]+ complexes, however with additional steric bulk in the 6- and 6′-positions of the diimine ligand to give complex Cu-Me-DPSO; the photophysics are greatly altered. This species is isolated as an amorphous powder (a-Cu-Me-DPSO) which emits yellow light; upon heating to 180 °C, a crystalline powder is formed (c-Cu-Me-DPSO) which shows a large bathochromic shift (>100 nm) in emission, and shows orange luminescence attributed to a flattening distortion of the complex away from a tetrahedral geometry. On cooling to −196 °C, c-Cu-Me-DPSO displays a reversible thermochromic solid-state emission, from orange at room temperature to yellow at low temperatures. Using solid-state variable temperature excitation and absorption data, this phenomenon is attributed to a change in coordination geometry about the copper atom in the exc...read more
Citations
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Journal ArticleDOI
Photoactive Copper Complexes: Properties and Applications.
Jérôme Beaudelot,Samuel Oger,Stefano Peruško,Tuan Anh Phan,Titouan Teunens,Cécile Moucheron,Gwilherm Evano +6 more
TL;DR: In this paper , a comprehensive overview of the structural, photophysical and electrochemical properties of mononuclear copper(I) complexes is presented, with typical examples highlighting the most critical structural parameters and their impact on the properties being presented to enlighten future design of photoactive copper(II) complexes.
Journal ArticleDOI
Influence of Sulfur Oxidation State and Substituents on Sulfur-Bridged Luminescent Copper(I) Complexes Showing Thermally Activated Delayed Fluorescence.
Christopher M. Brown,Chenfei Li,Veronica Carta,Wenbo Li,Zhen Xu,Pedro Henrique Fazza Stroppa,Ifor D. W. Samuel,Eli Zysman-Colman,Michael O. Wolf +8 more
TL;DR: Six new heteroleptic Cu(I) complexes of the diphosphine-diimine motif show emission in the solid state, with the photophysical properties characterized by low temperature steady-state and time-resolved spectroscopies and variable temperature time-correlated single photon counting.
Journal ArticleDOI
Two types of two-step mechanochromic luminescence of phenanthroimidazolylbenzothiadiazoles
TL;DR: In this article, two types of two-step mechanochromic luminescence (MCL) were reported for phenanthroimidazolylbenzothiadiazole derivatives that bear a substituted phenyl group on the nitrogen atom of the phenanthymidazole ring.
Journal ArticleDOI
Thermo-responsive light-emitting metal complexes and related materials
TL;DR: In this article, a critical review of the development of thermo-responsive metal complexes and related materials is presented, including small molecular metal complexes with different electronic configurations (d6, d8, d10, among others), metal clusters, coordination polymers, metal-organic frameworks (MOFs), and multicomponent polymers and assemblies, with a particular focus on how to build systems showing ratiometric lumunescence changes in response to temperature.
Journal ArticleDOI
Sequential halochromic/mechanochromic luminescence of pyridyl-substituted solid-state emissive dyes: thermally controlled stepwise recovery of the original emission color
TL;DR: In this paper, a pyridyl-substituted solid-state fluorophore was systematically shifted in the bathochromic direction by forming cocrystals with several benzoic acid derivatives that exhibit different pKa values.
References
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Quantum Dot Bioconjugates for Ultrasensitive Nonisotopic Detection
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Very high-efficiency green organic light-emitting devices based on electrophosphorescence
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Journal ArticleDOI
CRYSTALS version 12: software for guided crystal structure analysis
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