2010
DOI: 10.1002/chem.200903117
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A Light‐Harvesting Antenna Resulting from the Self‐Assembly of Five Luminescent Components: A Dendrimer, Two Clips, and Two Lanthanide Ions

Abstract: We have investigated the self-assembly of three luminescent species in CH(3)CN/CH(2)Cl(2), namely: 1) a polylysin dendrimer (D) composed of 21 aliphatic amide units and 24 green luminescent dansyl chromophores at the periphery, 2) a molecular clip (C) with two blue luminescent anthracene sidewalls and a benzene bridging unit that bears two sulfate groups in the para position, and 3) a near infrared (NIR)-emitting Nd(3+) ion. For purposes of comparison, analogous systems have also been investigated in which Gd(… Show more

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Cited by 40 publications
(15 citation statements)
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“…14 Lanthanide ions can be incorporated in each region of the globular dendritic structure, which is expected to shield the lanthanide cations from deactivation through solvent vibrations. 15 The sensitizers of this strategy are not required to directly bind to metal ion, allowing for a broader choice of lanthanide sensitizers.…”
Section: Introductionmentioning
confidence: 99%
“…14 Lanthanide ions can be incorporated in each region of the globular dendritic structure, which is expected to shield the lanthanide cations from deactivation through solvent vibrations. 15 The sensitizers of this strategy are not required to directly bind to metal ion, allowing for a broader choice of lanthanide sensitizers.…”
Section: Introductionmentioning
confidence: 99%
“…Because of their proximity, the various functional groups of a dendrimer can easily establish electronic interactions with one another, or with molecules or ions hosted in the dendritic cavities or associated on the dendrimer surface. 14 Light harvesting in dendritic systems has also been coupled to rotaxane 15 and discussed from a purely theoretical viewpoint. 16 Dendrimer 1 (Fig.…”
Section: Dendrimers As Light-harvesting Antennaementioning
confidence: 99%
“…In addition to the synthetic advantages, the anionic derivative of 9‐anthracenecarboxylic acid (9‐HAC) can act as an antenna, efficiently sensitizing the NIR emission of some Ln III ions …”
Section: Introductionmentioning
confidence: 99%