Solvent induced control of energy transfer within Zn(II)-porphyrin dendrimers

Jane Larsen; Ben Brüggemann; Joseph Sly; Maxwell J. Crossley; Villy Sundström; Eva Åkesson

doi:10.1016/j.cplett.2006.11.006

Solvent induced control of energy transfer within Zn(II)-porphyrin dendrimers

Jane Larsen, Ben Brüggemann, Joseph Sly, Maxwell J. Crossley, Villy Sundström, Eva Åkesson

Chemical Physics

Research output: Contribution to journal › Article › peer-review

Abstract

Solvent induced optimization of energy transfer properties in a series of Zn(II)-porphyrin-appended dendrimers has been studied by means of exciton-exciton annihilation. Upon changing from a polar solvent (tetrahydrofuran) to a non-polar solvent (3-methyl-pentane), the annihilation energy transfer rates increase by 28-44%. This is related to a decrease of the hydrodynamic radius, which enhances the communication between the Zn(II)-porphyrin chromophores. As a consequence, the overall energy transfer efficiency is increased, thereby yielding complete annihilation between all the chromophores in the smallest generation dendrimer.

Original language	English
Pages (from-to)	159-164
Journal	Chemical Physics Letters
Volume	433
Issue number	1-3
DOIs	https://doi.org/10.1016/j.cplett.2006.11.006
Publication status	Published - 2006

Bibliographical note

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Chemical Physics (S) (011001060)

Subject classification (UKÄ)

Atom and Molecular Physics and Optics

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10.1016/j.cplett.2006.11.006

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title = "Solvent induced control of energy transfer within Zn(II)-porphyrin dendrimers",

abstract = "Solvent induced optimization of energy transfer properties in a series of Zn(II)-porphyrin-appended dendrimers has been studied by means of exciton-exciton annihilation. Upon changing from a polar solvent (tetrahydrofuran) to a non-polar solvent (3-methyl-pentane), the annihilation energy transfer rates increase by 28-44%. This is related to a decrease of the hydrodynamic radius, which enhances the communication between the Zn(II)-porphyrin chromophores. As a consequence, the overall energy transfer efficiency is increased, thereby yielding complete annihilation between all the chromophores in the smallest generation dendrimer.",

author = "Jane Larsen and Ben Br{\"u}ggemann and Joseph Sly and Crossley, {Maxwell J.} and Villy Sundstr{\"o}m and Eva {\AA}kesson",

note = "The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Chemical Physics (S) (011001060)",

year = "2006",

doi = "10.1016/j.cplett.2006.11.006",

language = "English",

volume = "433",

pages = "159--164",

journal = "Chemical Physics Letters",

issn = "0009-2614",

publisher = "Elsevier",

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TY - JOUR

T1 - Solvent induced control of energy transfer within Zn(II)-porphyrin dendrimers

AU - Larsen, Jane

AU - Brüggemann, Ben

AU - Sly, Joseph

AU - Crossley, Maxwell J.

AU - Sundström, Villy

AU - Åkesson, Eva

N1 - The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Chemical Physics (S) (011001060)

PY - 2006

Y1 - 2006

N2 - Solvent induced optimization of energy transfer properties in a series of Zn(II)-porphyrin-appended dendrimers has been studied by means of exciton-exciton annihilation. Upon changing from a polar solvent (tetrahydrofuran) to a non-polar solvent (3-methyl-pentane), the annihilation energy transfer rates increase by 28-44%. This is related to a decrease of the hydrodynamic radius, which enhances the communication between the Zn(II)-porphyrin chromophores. As a consequence, the overall energy transfer efficiency is increased, thereby yielding complete annihilation between all the chromophores in the smallest generation dendrimer.

AB - Solvent induced optimization of energy transfer properties in a series of Zn(II)-porphyrin-appended dendrimers has been studied by means of exciton-exciton annihilation. Upon changing from a polar solvent (tetrahydrofuran) to a non-polar solvent (3-methyl-pentane), the annihilation energy transfer rates increase by 28-44%. This is related to a decrease of the hydrodynamic radius, which enhances the communication between the Zn(II)-porphyrin chromophores. As a consequence, the overall energy transfer efficiency is increased, thereby yielding complete annihilation between all the chromophores in the smallest generation dendrimer.

U2 - 10.1016/j.cplett.2006.11.006

DO - 10.1016/j.cplett.2006.11.006

M3 - Article

SN - 0009-2614

VL - 433

SP - 159

EP - 164

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 1-3

ER -

Solvent induced control of energy transfer within Zn(II)-porphyrin dendrimers

Abstract

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