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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.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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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
UR - http://www.scopus.com/inward/record.url?scp=85039164780&partnerID=8YFLogxK
U2 - 10.1016/j.cplett.2017.12.050
DO - 10.1016/j.cplett.2017.12.050
M3 - Article
AN - SCOPUS:85039164780
VL - 692
SP - 271
EP - 276
JO - Chemical Physics Letters
JF - Chemical Physics Letters
SN - 0009-2614
ER -
ID: 9265837