FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W1964006483> ?p ?o ?g. }

• W1964006483 endingPage "4825" @default.
• W1964006483 startingPage "4816" @default.
• W1964006483 abstract "The electrochemical and photophysical properties of biscyclometallated iridium(III) complexes containing phenanthroline-based ligands have been investigated and compared in organic and aqueous media. Complexes having general formula [Ir(ppy)2(N∩N)]+/– were synthesized, where ppy is the cyclometallating ligand, 2-phenylpyridine, and N∩N represents one of the following phenanthroline based ligands: 1,10-phenanthroline (phen), 4,7-diphenyl-1,10-phenanthroline (dpp) and 4,7-diphenyl-1,10-phenanthrolinedisulfonate (BPS). In the case of [Ir(ppy)2(BPS)]–, the SO3– group located on the phenyl ring of BPS dramatically increases the aqueous solubility of the complex compared to the dpp complex, which is only soluble in organic media. The chloride salt of the underivatized phen complex, though not as soluble as the BPS chelated complex, is sufficiently soluble (> 1 mM) for sensing and other applications in aqueous media. The electrochemical response depends markedly on the medium; all the complexes showed reversible behaviour in organic media, whereas the oxidative electrochemistry of [Ir(ppy)2BPS]– and [Ir(ppy)2phen]+ was irreversible. Results from spectroelectrochemical experiments indicate that electrolysis produces significant changes to the UV region of the spectrum associated with the ppy moieties. Significantly, this demonstrates that the highest occupied molecular orbital (HOMO) is not entirely metal based but is also associated with the cyclometallating ligand. The variation in emission maxima between the iridium complexes was small in organic and aqueous media, but the colour of the emission depends on solvent polarity and strongly on temperature. Most significantly, the quantum yields for these species are also strongly influenced by the solvent: high quantum yields, ranging from 14.0 to 28.6 %, are observed in CH2Cl2. However, in aqueous media the water-soluble complexes, [Ir(ppy)2BPS]– and [Ir(ppy)2phen]+, exhibited significantly diminished quantum yields of 2.5 and 2.6 %, respectively. Theoretical calculations confirm the spectroscopic assignments and that the HOMO is significantly delocalized over the metal and cyclometallating ligands. The relationship between the electrochemical, spectroscopic and theoretical results is discussed." @default.
• W1964006483 created "2016-06-24" @default.
• W1964006483 creator A5006731293 @default.
• W1964006483 creator A5028197457 @default.
• W1964006483 creator A5045914051 @default.
• W1964006483 creator A5052009668 @default.
• W1964006483 date "2011-09-22" @default.
• W1964006483 modified "2023-10-01" @default.
• W1964006483 title "Photophysical and Electrochemical Properties of Phenanthroline-Based Bis-cyclometallated Iridium Complexes in Aqueous and Organic Media" @default.
• W1964006483 cites W1980696498 @default.
• W1964006483 cites W1985695193 @default.
• W1964006483 cites W1989831408 @default.
• W1964006483 cites W1990425292 @default.
• W1964006483 cites W1995976722 @default.
• W1964006483 cites W1997151511 @default.
• W1964006483 cites W1999202527 @default.
• W1964006483 cites W1999283822 @default.
• W1964006483 cites W2001823292 @default.
• W1964006483 cites W2006145791 @default.
• W1964006483 cites W2013631233 @default.
• W1964006483 cites W2015589783 @default.
• W1964006483 cites W2015723183 @default.
• W1964006483 cites W2015982828 @default.
• W1964006483 cites W2023271753 @default.
• W1964006483 cites W2024776737 @default.
• W1964006483 cites W2032247978 @default.
• W1964006483 cites W2032341987 @default.
• W1964006483 cites W2032647209 @default.
• W1964006483 cites W2033419889 @default.
• W1964006483 cites W2033534524 @default.
• W1964006483 cites W2035371489 @default.
• W1964006483 cites W2040941950 @default.
• W1964006483 cites W2044073202 @default.
• W1964006483 cites W2046412723 @default.
• W1964006483 cites W2047001506 @default.
• W1964006483 cites W2052329392 @default.
• W1964006483 cites W2055041985 @default.
• W1964006483 cites W2056532780 @default.
• W1964006483 cites W2058210956 @default.
• W1964006483 cites W2060517372 @default.
• W1964006483 cites W2060813357 @default.
• W1964006483 cites W2062109666 @default.
• W1964006483 cites W2063663126 @default.
• W1964006483 cites W2066058329 @default.
• W1964006483 cites W2068554171 @default.
• W1964006483 cites W2068617439 @default.
• W1964006483 cites W2071160492 @default.
• W1964006483 cites W2073929779 @default.
• W1964006483 cites W2078146328 @default.
• W1964006483 cites W2079507386 @default.
• W1964006483 cites W2082082766 @default.
• W1964006483 cites W2082917109 @default.
• W1964006483 cites W2086957099 @default.
• W1964006483 cites W2094642658 @default.
• W1964006483 cites W2095238521 @default.
• W1964006483 cites W2098529022 @default.
• W1964006483 cites W2104696739 @default.
• W1964006483 cites W2110357670 @default.
• W1964006483 cites W2115346435 @default.
• W1964006483 cites W2143981217 @default.
• W1964006483 cites W2151676782 @default.
• W1964006483 cites W2154122211 @default.
• W1964006483 cites W2156492711 @default.
• W1964006483 cites W2164318957 @default.
• W1964006483 cites W2313533115 @default.
• W1964006483 cites W2952210357 @default.
• W1964006483 cites W2952440825 @default.
• W1964006483 cites W53350837 @default.
• W1964006483 doi "https://doi.org/10.1002/ejic.201100639" @default.
• W1964006483 hasPublicationYear "2011" @default.
• W1964006483 type Work @default.
• W1964006483 sameAs 1964006483 @default.
• W1964006483 citedByCount "45" @default.
• W1964006483 countsByYear W19640064832012 @default.
• W1964006483 countsByYear W19640064832013 @default.
• W1964006483 countsByYear W19640064832014 @default.
• W1964006483 countsByYear W19640064832015 @default.
• W1964006483 countsByYear W19640064832016 @default.
• W1964006483 countsByYear W19640064832017 @default.
• W1964006483 countsByYear W19640064832018 @default.
• W1964006483 countsByYear W19640064832019 @default.
• W1964006483 countsByYear W19640064832020 @default.
• W1964006483 countsByYear W19640064832022 @default.
• W1964006483 countsByYear W19640064832023 @default.
• W1964006483 crossrefType "journal-article" @default.
• W1964006483 hasAuthorship W1964006483A5006731293 @default.
• W1964006483 hasAuthorship W1964006483A5028197457 @default.
• W1964006483 hasAuthorship W1964006483A5045914051 @default.
• W1964006483 hasAuthorship W1964006483A5052009668 @default.
• W1964006483 hasConcept C116569031 @default.
• W1964006483 hasConcept C147789679 @default.
• W1964006483 hasConcept C155574463 @default.
• W1964006483 hasConcept C161790260 @default.
• W1964006483 hasConcept C170493617 @default.
• W1964006483 hasConcept C17525397 @default.
• W1964006483 hasConcept C178790620 @default.
• W1964006483 hasConcept C179104552 @default.
• W1964006483 hasConcept C184651966 @default.

• next