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Hot Branching Dynam...
Hot Branching Dynamics in a Light-Harvesting Iron Carbene Complex Revealed by Ultrafast X-ray Emission Spectroscopy
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- Tatsuno, Hideyuki (author)
- Lund University,Lunds universitet,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Kjær, Kasper S. (author)
- Lund University,Lunds universitet,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Beräkningskemi,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Computational Chemistry,Faculty of Engineering, LTH
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- Kunnus, Kristjan (author)
- Stanford Linear Accelerator Center (SLAC)
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- Harlang, Tobias C.B. (author)
- Lund University,Lunds universitet,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Timm, Cornelia (author)
- Lund University
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- Guo, Meiyuan (author)
- Lund University
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- Chàbera, Pavel (author)
- Lund University,Lunds universitet,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Fredin, Lisa A. (author)
- Lund University,Lunds universitet,Beräkningskemi,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Computational Chemistry,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Hartsock, Robert W. (author)
- Stanford Linear Accelerator Center (SLAC)
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- Reinhard, Marco E. (author)
- Stanford Linear Accelerator Center (SLAC)
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- Koroidov, Sergey (author)
- Stanford Linear Accelerator Center (SLAC)
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- Li, Lin (author)
- Stanford Linear Accelerator Center (SLAC)
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- Cordones, Amy A. (author)
- Stanford Linear Accelerator Center (SLAC)
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- Gordivska, Olga (author)
- Lund University,Lunds universitet,Centrum för analys och syntes,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Centre for Analysis and Synthesis,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Prakash, Om (author)
- Lund University,Lunds universitet,Centrum för analys och syntes,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Centre for Analysis and Synthesis,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Liu, Yizhu (author)
- Lund University,Lunds universitet,Centrum för analys och syntes,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Centre for Analysis and Synthesis,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Faculty of Engineering, LTH
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- Laursen, Mads G. (author)
- Technical University of Denmark
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- Biasin, Elisa (author)
- Stanford Linear Accelerator Center (SLAC),Technical University of Denmark
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- Hansen, Frederik B. (author)
- Technical University of Denmark
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- Vester, Peter (author)
- Technical University of Denmark
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- Christensen, Morten (author)
- Technical University of Denmark
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- Haldrup, Kristoffer (author)
- Technical University of Denmark
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- Németh, Zoltán (author)
- Wigner Research Centre for Physics, Hungarian Academy of Sciences
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- Sárosiné Szemes, Dorottya (author)
- Wigner Research Centre for Physics, Hungarian Academy of Sciences
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- Bajnóczi, Éva (author)
- Wigner Research Centre for Physics, Hungarian Academy of Sciences
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- Vankó, György (author)
- Wigner Research Centre for Physics, Hungarian Academy of Sciences
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- Van Driel, Tim B. (author)
- Stanford Linear Accelerator Center (SLAC)
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- Alonso-Mori, Roberto (author)
- Stanford Linear Accelerator Center (SLAC)
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- Glownia, James M. (author)
- Stanford Linear Accelerator Center (SLAC)
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- Nelson, Silke (author)
- Stanford Linear Accelerator Center (SLAC)
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- Sikorski, Marcin (author)
- Stanford Linear Accelerator Center (SLAC)
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- Lemke, Henrik T. (author)
- Paul Scherrer Institute,Stanford Linear Accelerator Center (SLAC)
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- Sokaras, Dimosthenis (author)
- Stanford Linear Accelerator Center (SLAC)
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- Canton, Sophie E. (author)
- German Electron Synchrotron (DESY),ELI-HU Non-profit Ltd
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- Dohn, Asmus O. (author)
- University of Iceland,Technical University of Denmark
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- Møller, Klaus B. (author)
- Technical University of Denmark
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- Nielsen, Martin M. (author)
- Technical University of Denmark
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- Gaffney, Kelly J. (author)
- Stanford Linear Accelerator Center (SLAC)
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- Wärnmark, Kenneth (author)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Centrum för analys och syntes,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Centre for Analysis and Synthesis,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Sundström, Villy (author)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Persson, Petter (author)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Beräkningskemi,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Computational Chemistry,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Uhlig, Jens (author)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2019-10-31
- 2020
- English.
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In: Angewandte Chemie - International Edition. - : Wiley. - 1433-7851 .- 1521-3773. ; 59:1, s. 364-372
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Abstract
Subject headings
Close
- Iron N-heterocyclic carbene (NHC) complexes have received a great deal of attention recently because of their growing potential as light sensitizers or photocatalysts. We present a sub-ps X-ray spectroscopy study of an FeIINHC complex that identifies and quantifies the states involved in the deactivation cascade after light absorption. Excited molecules relax back to the ground state along two pathways: After population of a hot 3MLCT state, from the initially excited 1MLCT state, 30 % of the molecules undergo ultrafast (150 fs) relaxation to the 3MC state, in competition with vibrational relaxation and cooling to the relaxed 3MLCT state. The relaxed 3MLCT state then decays much more slowly (7.6 ps) to the 3MC state. The 3MC state is rapidly (2.2 ps) deactivated to the ground state. The 5MC state is not involved in the deactivation pathway. The ultrafast partial deactivation of the 3MLCT state constitutes a loss channel from the point of view of photochemical efficiency and highlights the necessity to screen transition-metal complexes for similar ultrafast decays to optimize photochemical performance.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Teoretisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Theoretical Chemistry (hsv//eng)
Keyword
- femtochemistry
- molecular dynamics
- photochemistry
- photophysics
- X-ray spectroscopy
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Tatsuno, Hideyuk ...
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Kjær, Kasper S.
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Kunnus, Kristjan
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Harlang, Tobias ...
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Timm, Cornelia
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Guo, Meiyuan
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show more...
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Chàbera, Pavel
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Fredin, Lisa A.
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Hartsock, Robert ...
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Reinhard, Marco ...
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Koroidov, Sergey
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Li, Lin
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Cordones, Amy A.
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Gordivska, Olga
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Prakash, Om
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Liu, Yizhu
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Laursen, Mads G.
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Biasin, Elisa
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Hansen, Frederik ...
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Vester, Peter
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Christensen, Mor ...
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Haldrup, Kristof ...
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Németh, Zoltán
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Sárosiné Szemes, ...
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Bajnóczi, Éva
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Vankó, György
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Van Driel, Tim B ...
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Alonso-Mori, Rob ...
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Glownia, James M ...
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Nelson, Silke
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Sikorski, Marcin
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Lemke, Henrik T.
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Sokaras, Dimosth ...
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Canton, Sophie E ...
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Dohn, Asmus O.
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Møller, Klaus B.
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Nielsen, Martin ...
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Gaffney, Kelly J ...
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Wärnmark, Kennet ...
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Sundström, Villy
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Persson, Petter
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Uhlig, Jens
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Theoretical Chem ...
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Angewandte Chemi ...
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Lund University