Abstract
In this feature article, a specific overview of resonance energy transfer (FRET) in dendritic molecules was performed. We focused mainly on constructs bearing peripheral pyrene groups as donor moieties using different acceptor groups, such as porphyrin, fullerene C60, ruthenium-bipyridine complexes, and cyclen-core. We have studied the effect of all the different donor-acceptor pairs in the energy transfer efficiency (FRET). In all cases, high FRET efficiency values were observed.
Highlights
Since their discovery at the end of the 80’s, the scientific community has been very interested in dendrimers due to their well-defined nanostructures that confer them outstanding chemical and physical properties [1,2,3]
In6. our interest to study pyrene dynamics in macromolecules, we have designed dendritic to studynumber pyrene dynamics macromolecules, designed dendritic our interest molecules In bearing an increasing of pyrenein peripheral groups we andhave various acceptor moieties molecules bearing an increasing number of pyrene peripheral groups and various acceptor moieties such as porphyrin, fullerene, or ruthenium bipyridine at the core. Those molecules were expected to function as light-harvesting antennas to funnel the energy absorbed from the pyrene groups to the acceptor moiety
We reported that the fluorescence resonance energy transfer (FRET) process occurs in a very efficient manner in all the designed constructs
Summary
Since their discovery at the end of the 80’s, the scientific community has been very interested in dendrimers due to their well-defined nanostructures that confer them outstanding chemical and physical properties [1,2,3]. Numerous dendritic [32,33] in order to investigate micellization, polymer, and dendrimer dynamics [34], and for the architectures with photoactive groups have been reported so far, but there are only a few examples development of new π-conjugated polymers and oligomers with pyrene units [35,36]. This where pyrene has been attached the presence of anpreviously acceptor reported group to give an phenomenon hascovalently been observed in jointly dendriticwith structures bearing pyrene efficient energy (FRET).
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