REMPI detection of singlet oxygen 1O2 arising from UV-photodissociation of van der Waals complex isoprene-oxygen C5H8-O2

Alexandr S. Bogomolov; Nikolay V. Dozmorov; Sergei A. Kochubei; Alexey V. Baklanov

doi:10.1016/j.cplett.2017.12.050

REMPI detection of singlet oxygen ¹O₂ arising from UV-photodissociation of van der Waals complex isoprene-oxygen C₅H₈-O₂

Alexandr S. Bogomolov, Nikolay V. Dozmorov, Sergei A. Kochubei, Alexey V. Baklanov

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

4 Цитирования (Scopus)

Аннотация

The one-laser two-color resonance enhanced multiphoton ionization REMPI [(1 + 1′) + 1] and velocity map imaging have been applied to investigate formation of molecular oxygen in excited singlet O₂(a¹Δ_g) and ground O₂(X³Σ_g ^-) states in the photodissociation of van der Waals complex isoprene-oxygen C₅H₈-O₂. These molecules were found to appear in the different rotational states with translational energy varied from a value as low as ∼1 meV to a distribution with temperature of about 940 K. The observed traces of electron recoil in the images of photoions reveal participation of several ionization pathways of the resonantly excited intermediate states of O₂.

Язык оригинала	английский
Страницы (с-по)	271-276
Число страниц	6
Журнал	Chemical Physics Letters
Том	692
DOI	https://doi.org/10.1016/j.cplett.2017.12.050
Состояние	Опубликовано - 16 янв. 2018

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10.1016/j.cplett.2017.12.050

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title = "REMPI detection of singlet oxygen 1O2 arising from UV-photodissociation of van der Waals complex isoprene-oxygen C5H8-O2",

abstract = "The one-laser two-color resonance enhanced multiphoton ionization REMPI [(1 + 1′) + 1] and velocity map imaging have been applied to investigate formation of molecular oxygen in excited singlet O2(a1Δg) and ground O2(X3Σg -) states in the photodissociation of van der Waals complex isoprene-oxygen C5H8-O2. These molecules were found to appear in the different rotational states with translational energy varied from a value as low as ∼1 meV to a distribution with temperature of about 940 K. The observed traces of electron recoil in the images of photoions reveal participation of several ionization pathways of the resonantly excited intermediate states of O2.",

keywords = "MOLECULAR-OXYGEN, GAS-PHASE, PHOTOELECTRON, EXCITATION, PHOTOCHEMISTRY, SPECTROSCOPY, CLUSTERS, DYNAMICS, O-2, NM",

author = "Bogomolov, {Alexandr S.} and Dozmorov, {Nikolay V.} and Kochubei, {Sergei A.} and Baklanov, {Alexey V.}",

year = "2018",

month = jan,

day = "16",

doi = "10.1016/j.cplett.2017.12.050",

language = "English",

volume = "692",

pages = "271--276",

journal = "Chemical Physics Letters",

issn = "0009-2614",

publisher = "Elsevier",

}

REMPI detection of singlet oxygen ¹O₂ arising from UV-photodissociation of van der Waals complex isoprene-oxygen C₅H₈-O₂. / Bogomolov, Alexandr S.; Dozmorov, Nikolay V.; Kochubei, Sergei A. и др.

В: Chemical Physics Letters, Том 692, 16.01.2018, стр. 271-276.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

TY - JOUR

T1 - REMPI detection of singlet oxygen 1O2 arising from UV-photodissociation of van der Waals complex isoprene-oxygen C5H8-O2

AU - Bogomolov, Alexandr S.

AU - Dozmorov, Nikolay V.

AU - Kochubei, Sergei A.

AU - Baklanov, Alexey V.

PY - 2018/1/16

Y1 - 2018/1/16

N2 - The one-laser two-color resonance enhanced multiphoton ionization REMPI [(1 + 1′) + 1] and velocity map imaging have been applied to investigate formation of molecular oxygen in excited singlet O2(a1Δg) and ground O2(X3Σg -) states in the photodissociation of van der Waals complex isoprene-oxygen C5H8-O2. These molecules were found to appear in the different rotational states with translational energy varied from a value as low as ∼1 meV to a distribution with temperature of about 940 K. The observed traces of electron recoil in the images of photoions reveal participation of several ionization pathways of the resonantly excited intermediate states of O2.

AB - The one-laser two-color resonance enhanced multiphoton ionization REMPI [(1 + 1′) + 1] and velocity map imaging have been applied to investigate formation of molecular oxygen in excited singlet O2(a1Δg) and ground O2(X3Σg -) states in the photodissociation of van der Waals complex isoprene-oxygen C5H8-O2. These molecules were found to appear in the different rotational states with translational energy varied from a value as low as ∼1 meV to a distribution with temperature of about 940 K. The observed traces of electron recoil in the images of photoions reveal participation of several ionization pathways of the resonantly excited intermediate states of O2.

KW - MOLECULAR-OXYGEN

KW - GAS-PHASE

KW - PHOTOELECTRON

KW - EXCITATION

KW - PHOTOCHEMISTRY

KW - SPECTROSCOPY

KW - CLUSTERS

KW - DYNAMICS

KW - O-2

KW - NM

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