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Photoinduced Ultrafast Dye-to-Semiconductor Electron Injection from Nonthermalized and Thermalized Donor States.

Benko, Gabor LU ; Kallioinen, Jani ; Korppi-Tommola, Jouko E I ; Yartsev, Arkady LU orcid and Sundström, Villy LU (2002) In Journal of the American Chemical Society 124(3). p.489-493
Abstract
Electron injection from the transition metal complex Ru(dcbpy)(2)(NCS)(2) (dcbpy = 4,4'-dicarboxy-2,2'-bipyridine) into a titanium dioxide nanocrystalline film occurs on the femto- and picosecond time scales. Here we show that the dominating part of the electron transfer proceeds extremely rapidly from the initially populated, vibronically nonthermalized, singlet excited state, prior to electronic and nuclear relaxation of the molecule. The results are especially relevant to the understanding and design of molecular-based photovoltaic devices and artificial photosynthetic assemblies.
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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of the American Chemical Society
volume
124
issue
3
pages
489 - 493
publisher
The American Chemical Society (ACS)
external identifiers
  • wos:000173356900029
  • pmid:11792221
  • scopus:0037160398
ISSN
1520-5126
DOI
10.1021/ja016561n
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
2b8adb2b-5bc7-47c5-9bfb-4cfbc68ffc6c (old id 106661)
date added to LUP
2016-04-01 15:58:59
date last changed
2022-04-22 18:48:36
@article{2b8adb2b-5bc7-47c5-9bfb-4cfbc68ffc6c,
  abstract     = {{Electron injection from the transition metal complex Ru(dcbpy)(2)(NCS)(2) (dcbpy = 4,4'-dicarboxy-2,2'-bipyridine) into a titanium dioxide nanocrystalline film occurs on the femto- and picosecond time scales. Here we show that the dominating part of the electron transfer proceeds extremely rapidly from the initially populated, vibronically nonthermalized, singlet excited state, prior to electronic and nuclear relaxation of the molecule. The results are especially relevant to the understanding and design of molecular-based photovoltaic devices and artificial photosynthetic assemblies.}},
  author       = {{Benko, Gabor and Kallioinen, Jani and Korppi-Tommola, Jouko E I and Yartsev, Arkady and Sundström, Villy}},
  issn         = {{1520-5126}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{489--493}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{Journal of the American Chemical Society}},
  title        = {{Photoinduced Ultrafast Dye-to-Semiconductor Electron Injection from Nonthermalized and Thermalized Donor States.}},
  url          = {{http://dx.doi.org/10.1021/ja016561n}},
  doi          = {{10.1021/ja016561n}},
  volume       = {{124}},
  year         = {{2002}},
}