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Photoluminescence quenching at a polythiophene/C-60 heterojunction

Theander, M. ; Yartsev, Arkady LU orcid ; Zigmantas, Donatas LU orcid ; Sundström, Villy LU ; Mammo, W. ; Andersson, M. R. and Inganas, O. (2000) In Physical Review B (Condensed Matter and Materials Physics) 61(19). p.12957-12963
Abstract
Quenching of photoluminescence in a substituted polythiophene in the presence of a deposited C-60 layer is studied by steady-state and time-resolved photoluminescence (PL). The steady-state PL is evaluated by con -sidering the interference of the absorbed and emitted electro-optical field in the thin film coupled to exciton diffusion in the conjugated polymer. PL quenching occurs for excitons generated within 5 nm from the heterojunction. A blueshift of the polymer emission spectrum is observed when C-60 is deposited on top of a polymer thin film. The blueshift is shown to be caused by PL quenching before the excitation is transferred to the lowest-energy sites.
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author
; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
polymers, films, photodiodes, charge-transfer, buckminsterfullerene, photoinduced electron-transfer
in
Physical Review B (Condensed Matter and Materials Physics)
volume
61
issue
19
pages
12957 - 12963
publisher
American Physical Society
external identifiers
  • scopus:0001591747
ISSN
1098-0121
DOI
10.1103/PhysRevB.61.12957
language
English
LU publication?
yes
additional info
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)
id
1d27fdc6-bf5f-4aa1-ba14-21f7c67d4b70 (old id 1433055)
date added to LUP
2016-04-01 16:59:18
date last changed
2022-03-22 22:29:20
@article{1d27fdc6-bf5f-4aa1-ba14-21f7c67d4b70,
  abstract     = {{Quenching of photoluminescence in a substituted polythiophene in the presence of a deposited C-60 layer is studied by steady-state and time-resolved photoluminescence (PL). The steady-state PL is evaluated by con -sidering the interference of the absorbed and emitted electro-optical field in the thin film coupled to exciton diffusion in the conjugated polymer. PL quenching occurs for excitons generated within 5 nm from the heterojunction. A blueshift of the polymer emission spectrum is observed when C-60 is deposited on top of a polymer thin film. The blueshift is shown to be caused by PL quenching before the excitation is transferred to the lowest-energy sites.}},
  author       = {{Theander, M. and Yartsev, Arkady and Zigmantas, Donatas and Sundström, Villy and Mammo, W. and Andersson, M. R. and Inganas, O.}},
  issn         = {{1098-0121}},
  keywords     = {{polymers; films; photodiodes; charge-transfer; buckminsterfullerene; photoinduced electron-transfer}},
  language     = {{eng}},
  number       = {{19}},
  pages        = {{12957--12963}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review B (Condensed Matter and Materials Physics)}},
  title        = {{Photoluminescence quenching at a polythiophene/C-60 heterojunction}},
  url          = {{http://dx.doi.org/10.1103/PhysRevB.61.12957}},
  doi          = {{10.1103/PhysRevB.61.12957}},
  volume       = {{61}},
  year         = {{2000}},
}