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Electronic Structur...
Electronic Structure Changes of an Aromatic Amine Photoacid along the Forster Cycle
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- Eckert, Sebastian (author)
- Max Born Inst Nichtlineare Opt & Kurzzeitspektros, Max Born Str 2A, D-12489 Berlin, Germany.
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- Winghart, Marc-Oliver (author)
- Max Born Inst Nichtlineare Opt & Kurzzeitspektros, Max Born Str 2A, D-12489 Berlin, Germany.
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- Kleine, Carlo (author)
- Max Born Inst Nichtlineare Opt & Kurzzeitspektros, Max Born Str 2A, D-12489 Berlin, Germany.
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- Banerjee, Ambar (author)
- Stockholms universitet,Fysikum,Stockholm Univ, Alba Nova Univ Ctr, Dept Phys, S-10691 Stockholm, Sweden.
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- Ekimova, Maria (author)
- Max Born Inst Nichtlineare Opt & Kurzzeitspektros, Max Born Str 2A, D-12489 Berlin, Germany.
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- Ludwig, Jan (author)
- Max Born Inst Nichtlineare Opt & Kurzzeitspektros, Max Born Str 2A, D-12489 Berlin, Germany.
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- Harich, Jessica (author)
- Ctr Free Electron Laser Sci, Inst Nanostruct & Solid State Phys, Luruper Chaussee 149, D-22761 Hamburg, Germany.
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- Fondell, Mattis (author)
- Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Methods & Instrumentat Synchrotron Radiat Re, Albert Einstein Str 15, D-12489 Berlin, Germany.
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- Mitzner, Rolf (author)
- Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Methods & Instrumentat Synchrotron Radiat Re, Albert Einstein Str 15, D-12489 Berlin, Germany.
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- Pines, Ehud (author)
- Ben Gurion Univ Negev, Dept Chem, POB 653, IL-84105 Beer Sheva, Israel.
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- Huse, Nils (author)
- Ctr Free Electron Laser Sci, Inst Nanostruct & Solid State Phys, Luruper Chaussee 149, D-22761 Hamburg, Germany.
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- Wernet, Philippe, 1971- (author)
- Uppsala universitet,Kemisk och biomolekylär fysik
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- Odelius, Michael (author)
- Stockholms universitet,Fysikum,Stockholm Univ, Alba Nova Univ Ctr, Dept Phys, S-10691 Stockholm, Sweden.
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- Nibbering, Erik T. J. (author)
- Max Born Inst Nichtlineare Opt & Kurzzeitspektros, Max Born Str 2A, D-12489 Berlin, Germany.
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Max Born Inst Nichtlineare Opt & Kurzzeitspektros, Max Born Str 2A, D-12489 Berlin, Germany Fysikum (creator_code:org_t)
- 2022-04-27
- 2022
- English.
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In: Angewandte Chemie International Edition. - : John Wiley & Sons. - 1433-7851 .- 1521-3773. ; 61:27
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Abstract
Subject headings
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- Photoacids show a strong increase in acidity in the first electronic excited state, enabling real-time studies of proton transfer in acid-base reactions, proton transport in energy storage devices and biomolecular sensor protein systems. Several explanations have been proposed for what determines photoacidity, ranging from variations in solvation free energy to changes in electronic structure occurring along the four stages of the Forster cycle. Here we use picosecond nitrogen K-edge spectroscopy to monitor the electronic structure changes of the proton donating group in a protonated aromatic amine photoacid in solution upon photoexcitation and subsequent proton transfer dynamics. Probing core-to-valence transitions locally at the amine functional group and with orbital specificity, we clearly reveal pronounced electronic structure, dipole moment and energetic changes on the conjugate photobase side. This result paves the way for a detailed electronic structural characterization of the photoacidity phenomenon.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Teoretisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Theoretical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Keyword
- Aromaticity
- Electronic Structure
- Orbital Interactions
- Photoacids
- Time-Resolved Soft x-Ray Spectroscopy
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Eckert, Sebastia ...
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Winghart, Marc-O ...
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Kleine, Carlo
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Banerjee, Ambar
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Ekimova, Maria
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Ludwig, Jan
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show more...
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Harich, Jessica
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Fondell, Mattis
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Mitzner, Rolf
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Pines, Ehud
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Huse, Nils
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Wernet, Philippe ...
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Odelius, Michael
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Nibbering, Erik ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Physical Chemist ...
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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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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
- Articles in the publication
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Angewandte Chemi ...
- By the university
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Uppsala University
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Stockholm University