Triangular Rhodamine Triads and Their Intrinsic Photophysics Revealed from Gas‐Phase Ion Fluorescence Experiments

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Triangular Rhodamine Triads and Their Intrinsic Photophysics Revealed from Gas‐Phase Ion Fluorescence Experiments. / Zhao, Ying; Sørensen, Emma Rostal; Lindkvist, Thomas Toft; Kjær, Christina; Brøndsted Nielsen, Mogens; Chen, Li; Brøndsted Nielsen, Steen.

I: Chemistry: A European Journal, Bind 27, Nr. 42, 2021, s. 10875–10882.

Publikation: Bidrag til tidsskriftTidsskriftartikelfagfællebedømt

Harvard

Zhao, Y, Sørensen, ER, Lindkvist, TT, Kjær, C, Brøndsted Nielsen, M, Chen, L & Brøndsted Nielsen, S 2021, 'Triangular Rhodamine Triads and Their Intrinsic Photophysics Revealed from Gas‐Phase Ion Fluorescence Experiments', Chemistry: A European Journal, bind 27, nr. 42, s. 10875–10882. https://doi.org/10.1002/chem.202101322

APA

Zhao, Y., Sørensen, E. R., Lindkvist, T. T., Kjær, C., Brøndsted Nielsen, M., Chen, L., & Brøndsted Nielsen, S. (2021). Triangular Rhodamine Triads and Their Intrinsic Photophysics Revealed from Gas‐Phase Ion Fluorescence Experiments. Chemistry: A European Journal, 27(42), 10875–10882. https://doi.org/10.1002/chem.202101322

Vancouver

Zhao Y, Sørensen ER, Lindkvist TT, Kjær C, Brøndsted Nielsen M, Chen L o.a. Triangular Rhodamine Triads and Their Intrinsic Photophysics Revealed from Gas‐Phase Ion Fluorescence Experiments. Chemistry: A European Journal. 2021;27(42):10875–10882. https://doi.org/10.1002/chem.202101322

Author

Zhao, Ying ; Sørensen, Emma Rostal ; Lindkvist, Thomas Toft ; Kjær, Christina ; Brøndsted Nielsen, Mogens ; Chen, Li ; Brøndsted Nielsen, Steen. / Triangular Rhodamine Triads and Their Intrinsic Photophysics Revealed from Gas‐Phase Ion Fluorescence Experiments. I: Chemistry: A European Journal. 2021 ; Bind 27, Nr. 42. s. 10875–10882.

Bibtex

@article{fe416b3bedc6461784ead92e815235ff,
title = "Triangular Rhodamine Triads and Their Intrinsic Photophysics Revealed from Gas‐Phase Ion Fluorescence Experiments",
abstract = "When ionic dyes are close together, the internal Coulomb interaction may affect their photophysics and the energy-transfer efficiency. To explore this, we have prepared triangular architectures of three rhodamines connected to a central triethynylbenzene unit (1,3,5-tris(buta-1,3-diyn-1-yl)benzene) based on acetylenic coupling reactions and measured fluorescence spectra of the isolated, triply charged ions in vacuo. We find from comparisons with previously reported monomer and dimer spectra that while polarization of the π-system causes redshifted emission, the separation between the rhodamines is too large for a Stark shift. This picture is supported by electrostatic calculations on model systems composed of three linear and polarizable ionic dyes in D3h configuration: The electric field that each dye experiences from the other two is too small to induce a dipole moment, both in the ground and the excited state. In the case of heterotrimers that contain either two rhodamine 575 (R575) and one R640 or one R575 and two R640, emission is almost purely from R640 although the polarization of the π-system expectedly diminishes the dipole-dipole interaction.",
author = "Ying Zhao and S{\o}rensen, {Emma Rostal} and Lindkvist, {Thomas Toft} and Christina Kj{\ae}r and {Br{\o}ndsted Nielsen}, Mogens and Li Chen and {Br{\o}ndsted Nielsen}, Steen",
year = "2021",
doi = "10.1002/chem.202101322",
language = "English",
volume = "27",
pages = "10875–10882",
journal = "Chemistry: A European Journal",
issn = "0947-6539",
publisher = "Wiley - V C H Verlag GmbH & Co. KGaA",
number = "42",

}

RIS

TY - JOUR

T1 - Triangular Rhodamine Triads and Their Intrinsic Photophysics Revealed from Gas‐Phase Ion Fluorescence Experiments

AU - Zhao, Ying

AU - Sørensen, Emma Rostal

AU - Lindkvist, Thomas Toft

AU - Kjær, Christina

AU - Brøndsted Nielsen, Mogens

AU - Chen, Li

AU - Brøndsted Nielsen, Steen

PY - 2021

Y1 - 2021

N2 - When ionic dyes are close together, the internal Coulomb interaction may affect their photophysics and the energy-transfer efficiency. To explore this, we have prepared triangular architectures of three rhodamines connected to a central triethynylbenzene unit (1,3,5-tris(buta-1,3-diyn-1-yl)benzene) based on acetylenic coupling reactions and measured fluorescence spectra of the isolated, triply charged ions in vacuo. We find from comparisons with previously reported monomer and dimer spectra that while polarization of the π-system causes redshifted emission, the separation between the rhodamines is too large for a Stark shift. This picture is supported by electrostatic calculations on model systems composed of three linear and polarizable ionic dyes in D3h configuration: The electric field that each dye experiences from the other two is too small to induce a dipole moment, both in the ground and the excited state. In the case of heterotrimers that contain either two rhodamine 575 (R575) and one R640 or one R575 and two R640, emission is almost purely from R640 although the polarization of the π-system expectedly diminishes the dipole-dipole interaction.

AB - When ionic dyes are close together, the internal Coulomb interaction may affect their photophysics and the energy-transfer efficiency. To explore this, we have prepared triangular architectures of three rhodamines connected to a central triethynylbenzene unit (1,3,5-tris(buta-1,3-diyn-1-yl)benzene) based on acetylenic coupling reactions and measured fluorescence spectra of the isolated, triply charged ions in vacuo. We find from comparisons with previously reported monomer and dimer spectra that while polarization of the π-system causes redshifted emission, the separation between the rhodamines is too large for a Stark shift. This picture is supported by electrostatic calculations on model systems composed of three linear and polarizable ionic dyes in D3h configuration: The electric field that each dye experiences from the other two is too small to induce a dipole moment, both in the ground and the excited state. In the case of heterotrimers that contain either two rhodamine 575 (R575) and one R640 or one R575 and two R640, emission is almost purely from R640 although the polarization of the π-system expectedly diminishes the dipole-dipole interaction.

U2 - 10.1002/chem.202101322

DO - 10.1002/chem.202101322

M3 - Journal article

C2 - 34060662

VL - 27

SP - 10875

EP - 10882

JO - Chemistry: A European Journal

JF - Chemistry: A European Journal

SN - 0947-6539

IS - 42

ER -

ID: 274062428