Anionic cyclometallated Pt(II) square-planar complexes: New sets of highly luminescent compounds. Ricciardi, L., La Deda, M., Ionescu, A., Godbert, N., Aiello, I., & Ghedini, M. Dalton Transactions, 46(37):12625-12635, Royal Society of Chemistry, 2017. cited By 13![Anionic cyclometallated Pt(II) square-planar complexes: New sets of highly luminescent compounds [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Two series of novel NBu4+ salts of anionic cyclometallated Pt(ii) complexes were synthesized and fully characterized. These highly luminescent compounds (NBu4[(C^N)Pt(O^N)] and NBu4[(C^N)Pt(O^O)]) are incorporated as testing examples of cyclometallating ligands 2-phenylpyridine (PhPy), 2-(2,4-difluorophenyl)-pyridine (F2PhPy) and 2-thienylpyridine (ThPy), and a benzo[h]quinoline (Bzq) fragment. All complexes display a square-planar coordination sphere, wherein the "(C^N)Pt" fragment is completed either by an O^N orotate (Ort) or an O^O tetrabromocatecholate (Cat) ligand. The HOMO and LUMO levels of all complexes were estimated by cyclic voltammetry and a comprehensive electrochemical and photophysical study was performed. The new complexes are emissive in solution at 298 K and the NBu4[(ThPy)Pt(Ort)] complex displays good photosensitizing properties (Φ = 28% in deaerated solution vs. Φ = 1.4% in the presence of O2). Both series of NBu4[(C^N)Pt(Ort)] and NBu4[(C^N)Pt(Cat)] complexes are highly luminescent in the solid state (emission quantum yields from 10 to 85%). Remarkably, the square-planar Pt(ii) anionic complexes showed an important increase in luminescence quantum yields on changing from the dilute solution to the solid state (the most significant from 0.13% to 85% for the NBu4[(PhPy)Pt(Ort)] complex, an ideal candidate as an active species for LEECs). © The Royal Society of Chemistry 2017.
@ARTICLE{Ricciardi201712625,
author={Ricciardi, L. and La Deda, M. and Ionescu, A. and Godbert, N. and Aiello, I. and Ghedini, M.},
title={Anionic cyclometallated Pt(II) square-planar complexes: New sets of highly luminescent compounds},
journal={Dalton Transactions},
year={2017},
volume={46},
number={37},
pages={12625-12635},
doi={10.1039/c7dt02267k},
note={cited By 13},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85030032779&doi=10.1039%2fc7dt02267k&partnerID=40&md5=4b3a1ad53b9e7fe9a5d053d3768c5731},
abstract={Two series of novel NBu4+ salts of anionic cyclometallated Pt(ii) complexes were synthesized and fully characterized. These highly luminescent compounds (NBu4[(C^N)Pt(O^N)] and NBu4[(C^N)Pt(O^O)]) are incorporated as testing examples of cyclometallating ligands 2-phenylpyridine (PhPy), 2-(2,4-difluorophenyl)-pyridine (F2PhPy) and 2-thienylpyridine (ThPy), and a benzo[h]quinoline (Bzq) fragment. All complexes display a square-planar coordination sphere, wherein the "(C^N)Pt" fragment is completed either by an O^N orotate (Ort) or an O^O tetrabromocatecholate (Cat) ligand. The HOMO and LUMO levels of all complexes were estimated by cyclic voltammetry and a comprehensive electrochemical and photophysical study was performed. The new complexes are emissive in solution at 298 K and the NBu4[(ThPy)Pt(Ort)] complex displays good photosensitizing properties (Φ = 28% in deaerated solution vs. Φ = 1.4% in the presence of O2). Both series of NBu4[(C^N)Pt(Ort)] and NBu4[(C^N)Pt(Cat)] complexes are highly luminescent in the solid state (emission quantum yields from 10 to 85%). Remarkably, the square-planar Pt(ii) anionic complexes showed an important increase in luminescence quantum yields on changing from the dilute solution to the solid state (the most significant from 0.13% to 85% for the NBu4[(PhPy)Pt(Ort)] complex, an ideal candidate as an active species for LEECs). © The Royal Society of Chemistry 2017.},
publisher={Royal Society of Chemistry},
issn={14779226},
coden={DTARA},
pubmed_id={28906514},
document_type={Article},
source={Scopus},
}
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Remarkably, the square-planar Pt(ii) anionic complexes showed an important increase in luminescence quantum yields on changing from the dilute solution to the solid state (the most significant from 0.13% to 85% for the NBu4[(PhPy)Pt(Ort)] complex, an ideal candidate as an active species for LEECs). © The Royal Society of Chemistry 2017.","publisher":"Royal Society of Chemistry","issn":"14779226","coden":"DTARA","pubmed_id":"28906514","document_type":"Article","source":"Scopus","bibtex":"@ARTICLE{Ricciardi201712625,\nauthor={Ricciardi, L. and La Deda, M. and Ionescu, A. and Godbert, N. and Aiello, I. and Ghedini, M.},\ntitle={Anionic cyclometallated Pt(II) square-planar complexes: New sets of highly luminescent compounds},\njournal={Dalton Transactions},\nyear={2017},\nvolume={46},\nnumber={37},\npages={12625-12635},\ndoi={10.1039/c7dt02267k},\nnote={cited By 13},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85030032779&doi=10.1039%2fc7dt02267k&partnerID=40&md5=4b3a1ad53b9e7fe9a5d053d3768c5731},\nabstract={Two series of novel NBu4+ salts of anionic cyclometallated Pt(ii) complexes were synthesized and fully characterized. 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