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UV-photoexcitation of encounter complexes of oxygen O2–O2 as a source of singlet oxygen O2(1Δg) in gas phase. / Пыряева, Александра Павловна; Goldort, Veniamin G.; Kochubei, Sergei A. и др.
в: Chemical Physics Letters, Том 485, № 1-3, 18.01.2010, стр. 11-15.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - UV-photoexcitation of encounter complexes of oxygen O2–O2 as a source of singlet oxygen O2(1Δg) in gas phase
AU - Пыряева, Александра Павловна
AU - Goldort, Veniamin G.
AU - Kochubei, Sergei A.
AU - Бакланов, Алексей Васильевич
N1 - The financial support of this work by Russian Foundation for Basic Research (Grant No. 09-03-00310-a) is gratefully acknowledged.
PY - 2010/1/18
Y1 - 2010/1/18
N2 - The photogeneration of singlet oxygen O2(a1Δg) resulted from the photoexcitation at 248 nm of gaseous oxygen at elevated pressure (3-80 atm) has been investigated. Singlet oxygen monitored by its IR-luminescence at 1.27 μm was found to appear via two processes which are identified to be due to absorption of individual O2 molecules and encounter complexes O2-O2, respectively. The one-quantum absorption of complexes gives rise to appearance of oxygen in Herzberg III state O2(3Δu) which is supposed to be a triplet sensitizer responsible for singlet oxygen O2(a1Δg) production observed in our experiments. © 2009 Elsevier B.V. All rights reserved.
AB - The photogeneration of singlet oxygen O2(a1Δg) resulted from the photoexcitation at 248 nm of gaseous oxygen at elevated pressure (3-80 atm) has been investigated. Singlet oxygen monitored by its IR-luminescence at 1.27 μm was found to appear via two processes which are identified to be due to absorption of individual O2 molecules and encounter complexes O2-O2, respectively. The one-quantum absorption of complexes gives rise to appearance of oxygen in Herzberg III state O2(3Δu) which is supposed to be a triplet sensitizer responsible for singlet oxygen O2(a1Δg) production observed in our experiments. © 2009 Elsevier B.V. All rights reserved.
UR - https://www.mendeley.com/catalogue/8e2efdcc-b904-3611-87fa-ec6ea79090c6/
U2 - 10.1016/j.cplett.2009.11.058
DO - 10.1016/j.cplett.2009.11.058
M3 - Article
VL - 485
SP - 11
EP - 15
JO - Chemical Physics Letters
JF - Chemical Physics Letters
SN - 0009-2614
IS - 1-3
ER -
ID: 56406709