Excited state processes in individual multichromophoric systems

Johan Hofkens; Tom Vosch; Mircea Cotlet; Satoshi Habuchi; Koen Van Der Biest; Klaus Müllen; Gunter Dirix; Jan Michiels; Jos Vanderleyden; Markus Sauer; Frans C. De Schryver

doi:10.1117/12.488209

Excited state processes in individual multichromophoric systems

Johan Hofkens^*, Tom Vosch, Mircea Cotlet, Satoshi Habuchi, Koen Van Der Biest, Klaus Müllen, Gunter Dirix, Jan Michiels, Jos Vanderleyden, Markus Sauer, Frans C. De Schryver

^*Corresponding author for this work

Research output: Contribution to journal › Conference article › peer-review

2 Scopus citations

Abstract

Multichromophoric systems play a key role in biological systems (light harvesting antenna compexes, fluorescent proteins...) and are equally important in material science applications (e.g. light emitting devices (LED) based on conjugated polymers). Our approach to get insight in the excited state processes of such systems is to make use of dendrimers labeled with photostable perylene dyes. Dendrimers synthesis indeed allows changing the number, relative position and orientation of attached chromophores in a controlled way. In the present contribution, excited state processes such as energy hopping, singlet-singlet annihilation, singlet-triplet annihilation are identified in individual tetrachromophoric dendrimers immobilized in a polymer matrix. Similar processes are then demonstrated to occur as well in immobilized tetramers of a red fluorescent protein from a coral of the Discosoma genus (DsRed).

Original language	English (US)
Pages (from-to)	1-10
Number of pages	10
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	4962
DOIs	https://doi.org/10.1117/12.488209
State	Published - 2003
Externally published	Yes
Event	Manipulation and Analysis of Biomolecules, Cells , and Tissues - San Jose, CA, United States Duration: Jan 28 2003 → Jan 29 2003

Keywords

Dendrimers
DsRed fluorescent protein
Excited state processes
Single molecules

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Applied Mathematics
Electrical and Electronic Engineering
Computer Science Applications

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10.1117/12.488209

Cite this

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title = "Excited state processes in individual multichromophoric systems",

abstract = "Multichromophoric systems play a key role in biological systems (light harvesting antenna compexes, fluorescent proteins...) and are equally important in material science applications (e.g. light emitting devices (LED) based on conjugated polymers). Our approach to get insight in the excited state processes of such systems is to make use of dendrimers labeled with photostable perylene dyes. Dendrimers synthesis indeed allows changing the number, relative position and orientation of attached chromophores in a controlled way. In the present contribution, excited state processes such as energy hopping, singlet-singlet annihilation, singlet-triplet annihilation are identified in individual tetrachromophoric dendrimers immobilized in a polymer matrix. Similar processes are then demonstrated to occur as well in immobilized tetramers of a red fluorescent protein from a coral of the Discosoma genus (DsRed).",

keywords = "Dendrimers, DsRed fluorescent protein, Excited state processes, Single molecules",

author = "Johan Hofkens and Tom Vosch and Mircea Cotlet and Satoshi Habuchi and {Van Der Biest}, Koen and Klaus M{\"u}llen and Gunter Dirix and Jan Michiels and Jos Vanderleyden and Markus Sauer and {De Schryver}, {Frans C.}",

year = "2003",

doi = "10.1117/12.488209",

language = "English (US)",

volume = "4962",

pages = "1--10",

journal = "Proceedings of SPIE - The International Society for Optical Engineering",

issn = "0277-786X",

publisher = "SPIE",

note = "Manipulation and Analysis of Biomolecules, Cells , and Tissues ; Conference date: 28-01-2003 Through 29-01-2003",

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TY - JOUR

T1 - Excited state processes in individual multichromophoric systems

AU - Hofkens, Johan

AU - Vosch, Tom

AU - Cotlet, Mircea

AU - Habuchi, Satoshi

AU - Van Der Biest, Koen

AU - Müllen, Klaus

AU - Dirix, Gunter

AU - Michiels, Jan

AU - Vanderleyden, Jos

AU - Sauer, Markus

AU - De Schryver, Frans C.

PY - 2003

Y1 - 2003

N2 - Multichromophoric systems play a key role in biological systems (light harvesting antenna compexes, fluorescent proteins...) and are equally important in material science applications (e.g. light emitting devices (LED) based on conjugated polymers). Our approach to get insight in the excited state processes of such systems is to make use of dendrimers labeled with photostable perylene dyes. Dendrimers synthesis indeed allows changing the number, relative position and orientation of attached chromophores in a controlled way. In the present contribution, excited state processes such as energy hopping, singlet-singlet annihilation, singlet-triplet annihilation are identified in individual tetrachromophoric dendrimers immobilized in a polymer matrix. Similar processes are then demonstrated to occur as well in immobilized tetramers of a red fluorescent protein from a coral of the Discosoma genus (DsRed).

AB - Multichromophoric systems play a key role in biological systems (light harvesting antenna compexes, fluorescent proteins...) and are equally important in material science applications (e.g. light emitting devices (LED) based on conjugated polymers). Our approach to get insight in the excited state processes of such systems is to make use of dendrimers labeled with photostable perylene dyes. Dendrimers synthesis indeed allows changing the number, relative position and orientation of attached chromophores in a controlled way. In the present contribution, excited state processes such as energy hopping, singlet-singlet annihilation, singlet-triplet annihilation are identified in individual tetrachromophoric dendrimers immobilized in a polymer matrix. Similar processes are then demonstrated to occur as well in immobilized tetramers of a red fluorescent protein from a coral of the Discosoma genus (DsRed).

KW - Dendrimers

KW - DsRed fluorescent protein

KW - Excited state processes

KW - Single molecules

UR - http://www.scopus.com/inward/record.url?scp=0242662828&partnerID=8YFLogxK

U2 - 10.1117/12.488209

DO - 10.1117/12.488209

M3 - Conference article

AN - SCOPUS:0242662828

SN - 0277-786X

VL - 4962

SP - 1

EP - 10

JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

T2 - Manipulation and Analysis of Biomolecules, Cells , and Tissues

Y2 - 28 January 2003 through 29 January 2003

ER -

Excited state processes in individual multichromophoric systems

Abstract

Keywords

ASJC Scopus subject areas

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