Efficient Artificial Light-Harvesting System Based on Supramolecular Peptide Nanotubes in Water. Song, Q., Goia, S., Yang, J., Hall, S. C. L., Staniforth, M., Stavros, V. G., & Perrier, S. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 143(1):382–389, January, 2021. doi abstract bibtex Artificial light-harvesting systems in aqueous media which mimic nature are of significant importance; however, they are often restrained by the solubility and the undesired aggregation-caused quenching effect of the hydrophobic chromophores. Here, we report a generalized strategy toward the construction of efficient artificial light-harvesting systems based on supramolecular peptide nanotubes in water. By molecularly aligning the hydrophobic chromophores along the nanotubes in a slipped manner, an artificial light-harvesting system with a two-step sequential Forster resonance energy transfer process is successfully fabricated, showing an energy transfer efficiency up to 95% and a remarkably high fluorescence quantum yield of 30%, along with high stability. Furthermore, the spectral emission could be continuously tuned from blue through green to orange, as well as outputted as a white light continuum with a fluorescence quantum yield of 29.9%. Our findings provide a versatile approach of designing efficient artificial light-harvesting systems and constructing highly emissive organic materials in aqueous media.
@article{song_efficient_2021,
title = {Efficient {Artificial} {Light}-{Harvesting} {System} {Based} on {Supramolecular} {Peptide} {Nanotubes} in {Water}},
volume = {143},
issn = {0002-7863},
doi = {10.1021/jacs.0c11060},
abstract = {Artificial light-harvesting systems in aqueous media which mimic nature are of significant importance; however, they are often restrained by the solubility and the undesired aggregation-caused quenching effect of the hydrophobic chromophores. Here, we report a generalized strategy toward the construction of efficient artificial light-harvesting systems based on supramolecular peptide nanotubes in water. By molecularly aligning the hydrophobic chromophores along the nanotubes in a slipped manner, an artificial light-harvesting system with a two-step sequential Forster resonance energy transfer process is successfully fabricated, showing an energy transfer efficiency up to 95\% and a remarkably high fluorescence quantum yield of 30\%, along with high stability. Furthermore, the spectral emission could be continuously tuned from blue through green to orange, as well as outputted as a white light continuum with a fluorescence quantum yield of 29.9\%. Our findings provide a versatile approach of designing efficient artificial light-harvesting systems and constructing highly emissive organic materials in aqueous media.},
number = {1},
urldate = {2021-03-05},
journal = {JOURNAL OF THE AMERICAN CHEMICAL SOCIETY},
author = {Song, Qiao and Goia, Sofia and Yang, Jie and Hall, Stephen C. L. and Staniforth, Michael and Stavros, Vasilios G. and Perrier, Sebastien},
month = jan,
year = {2021},
pages = {382--389},
}
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