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Ultra-Fast-VUV Phot...
Ultra-Fast-VUV Photoemission Study of UV Excited 2-Nitrophenol
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- Ciavardini, Alessandra (author)
- Univ Roma La Sapienza, Dipartimento Chim & Tecnol Farmaco, Ple A Moro 5, I-00185 Rome, Italy;Univ Roma Tor Vergata, Dipartimento Sci & Tecnol Chim, Via Ric Sci, I-00133 Rome, Italy;CERIC ERIC, Basovizza Area Sci Pk, I-34149 Trieste, Italy
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- Coreno, Marcello (author)
- ISM CNR, Basovizza Area Sci Pk, I-34149 Trieste, Italy;Elettra Sincrotrone Trieste, Ss 14,Km 163,5, I-34149 Trieste, Italy
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- Callegari, Carlo (author)
- Elettra Sincrotrone Trieste, Ss 14,Km 163,5, I-34149 Trieste, Italy
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- Spezzani, Carlo (author)
- Elettra Sincrotrone Trieste, Ss 14,Km 163,5, I-34149 Trieste, Italy
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- De Ninno, Giovanni (author)
- Elettra Sincrotrone Trieste, Ss 14,Km 163,5, I-34149 Trieste, Italy;Univ Nova Gor, Lab Quantum Opt, Vipayska 11c, SI-5270 Ajdovscina, Slovenia
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- Ressel, Barbara (author)
- Elettra Sincrotrone Trieste, Ss 14,Km 163,5, I-34149 Trieste, Italy;Univ Nova Gor, Lab Quantum Opt, Vipayska 11c, SI-5270 Ajdovscina, Slovenia
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- Grazioli, Cesare (author)
- IOM CNR, Lab TASV, Basovizza SS-14,Km 163-5, I-34012 Trieste, Italy
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- de Simone, Monica (author)
- IOM CNR, Lab TASV, Basovizza SS-14,Km 163-5, I-34012 Trieste, Italy
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- Kivimäki, Antti (author)
- IOM CNR, Lab TASV, Basovizza SS-14,Km 163-5, I-34012 Trieste, Italy;Lund Univ, MAX 4 Lab, POB 118, SE-22100 Lund, Sweden
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- Miotti, Paolo (author)
- IFN CNR, Padova Res Unit, Via Trasea 7, I-35131 Padua, Italy
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- Frassetto, Fabio (author)
- IFN CNR, Padova Res Unit, Via Trasea 7, I-35131 Padua, Italy
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- Poletto, Luca (author)
- IFN CNR, Padova Res Unit, Via Trasea 7, I-35131 Padua, Italy
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- Puglia, Carla (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- Fornarini, Simonetta (author)
- Univ Roma La Sapienza, Dipartimento Chim & Tecnol Farmaco, Ple A Moro 5, I-00185 Rome, Italy
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- Pezzella, Marco (author)
- Univ Roma La Sapienza, Dipartimento Chim, Ple A Moro 5, I-00185 Rome, Italy
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- Bodo, Enrico (author)
- Univ Roma La Sapienza, Dipartimento Chim, Ple A Moro 5, I-00185 Rome, Italy
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- Piccirillo, Susanna (author)
- Univ Roma Tor Vergata, Dipartimento Sci & Tecnol Chim, Via Ric Sci, I-00133 Rome, Italy
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(creator_code:org_t)
- 2019-01-22
- 2019
- English.
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In: Journal of Physical Chemistry A. - : AMER CHEMICAL SOC. - 1089-5639 .- 1520-5215. ; 123:7, s. 1295-1302
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- The initial deactivation pathways of gaseous 2-nitrophenol excited at 268 nm were investigated by time-resolved photoelectron spectroscopy (TRPES) with femtosecond-VUV light, produced by a monochromatized high harmonic generation source. TRPES allowed us to obtain new, valuable experimental information about the ultrafast excited-state dynamics of 2-nitrophenol in the gas phase. In accord with recent ab initio on-the-fly nonadiabatic molecular dynamic simulations, our results validate the occurrence of an ultrafast intersystem crossing leading to an intermediate state that decays on a subpicosecond time scale with a branched mechanisms. Two decay pathways are experimentally observed. One probably involves proton transfer, leading to the most stable triplet aci-form of 2-nitrophenol; the second pathway may involve OH rotation. We propose that following intersystem crossing, an ultrafast fragmentation channel leading to OH or HONO loss could also be operative.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Ciavardini, Ales ...
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Coreno, Marcello
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Callegari, Carlo
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Spezzani, Carlo
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De Ninno, Giovan ...
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Ressel, Barbara
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Grazioli, Cesare
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de Simone, Monic ...
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Kivimäki, Antti
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Miotti, Paolo
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Frassetto, Fabio
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Poletto, Luca
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Puglia, Carla
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Fornarini, Simon ...
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Pezzella, Marco
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Bodo, Enrico
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Piccirillo, Susa ...
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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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Journal of Physi ...
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Uppsala University