6533b862fe1ef96bd12c6ed5
RESEARCH PRODUCT
Tetrakis{[(p-dodecacarboranyl)methyl]stilbenyl}ethylene: A Luminescent Tetraphenylethylene (TPE) Core System
Johannes GierschnerFrancesc TeixidorNorberto FarfánJusto Cabrera-gonzálezRafael Arcos-ramosVerónica Vargas‐reyesBegoña Milián-medinaBegoña Milián-medinaRosario NúñezSantanu Bhattacharyyasubject
Ethylenebiology010405 organic chemistryTetraphenylethylene010402 general chemistrybiology.organism_classificationPhotochemistryInternal conversion (chemistry)01 natural sciences0104 chemical sciencesInorganic Chemistrychemistry.chemical_compoundchemistryCore systemTetraPhenyl groupAbsorption (chemistry)Luminescencedescription
The synthesis and spectroscopic characterization of the first set of tetra(p-dodecacarborane-stilbeno)ethylenes (TDSE), substituted either with a methyl or phenyl group in the 2-position (Ccluster) of the ortho-carborane, are described. The complex absorption properties are elucidated by TD-DFT calculations, stressing the importance of through bond conjugation. Enhanced conjugation and restriction of the conformational space are identified as the main factors for boosted luminescence properties in solution compared to tetraphenylethylene (TPE) core, effectively reducing internal conversion (IC). IC is further reduced when aggregate suspensions of our compounds in water are formed, providing highly luminescent materials of quasi-isolated (very weakly interacting) emitters.
year | journal | country | edition | language |
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2017-08-08 |