Driving photochemistry by clustering: The ICl-Xe case
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Аутори
Glodić, PavleKartakoullis, Andreas
Farnik, Michal
Samartzis, Peter C.
Kitsopoulos, Theofanis N.
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We present slice imaging data demonstrating the influence of clustering on the photodissociation dynamics of a diatomic molecule: iodine monochloride (ICl) was dissociated at 235 nm in He and Xe seed gasses, probing both Cl and I photofragment energy and angular distributions. We observe that the kinetic energy releases of both Cl and I fragments change from He to Xe seeding. For Cl fragments, the seeding in Xe increases the kinetic energy release of some Cl fragments with a narrow kinetic energy distribution, and leads to some fragments with rather broad statistical distribution falling off exponentially from near-zero energies up to about 2.5 eV. Iodine fragment distribution changes even more dramatically from He to Xe seeding: sharp features essentially disappear and a broad distribution arises reaching to about 2.5 eV. Both these observations are rationalized by a simple qualitative cluster model assuming ICl dissociation inside larger xenon clusters and on surface of smaller Xe sp...ecies. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4758317]
Кључне речи:
atom-molecule collisions / dissociation energies / helium neutral atoms / iodine compounds / molecular clusters / photodissociation / statistical distributions / xenonИзвор:
Journal of Chemical Physics, 2012, 137, 15Финансирање / пројекти:
- GPSDI - Gas Phase Structural Dynamics Imaging (EU-FP7-268305)
- Marie Curie Initial Training network ICONIC [PITN-GA-2009-238671], Alexander von Humboldt foundation, Grant Agency of the Czech Republic [203/09/0422]
DOI: 10.1063/1.4758317
ISSN: 0021-9606
PubMed: 23083164
WoS: 000310307100025
Scopus: 2-s2.0-84867792137
Колекције
Институција/група
VinčaTY - JOUR AU - Glodić, Pavle AU - Kartakoullis, Andreas AU - Farnik, Michal AU - Samartzis, Peter C. AU - Kitsopoulos, Theofanis N. PY - 2012 UR - https://vinar.vin.bg.ac.rs/handle/123456789/5116 AB - We present slice imaging data demonstrating the influence of clustering on the photodissociation dynamics of a diatomic molecule: iodine monochloride (ICl) was dissociated at 235 nm in He and Xe seed gasses, probing both Cl and I photofragment energy and angular distributions. We observe that the kinetic energy releases of both Cl and I fragments change from He to Xe seeding. For Cl fragments, the seeding in Xe increases the kinetic energy release of some Cl fragments with a narrow kinetic energy distribution, and leads to some fragments with rather broad statistical distribution falling off exponentially from near-zero energies up to about 2.5 eV. Iodine fragment distribution changes even more dramatically from He to Xe seeding: sharp features essentially disappear and a broad distribution arises reaching to about 2.5 eV. Both these observations are rationalized by a simple qualitative cluster model assuming ICl dissociation inside larger xenon clusters and on surface of smaller Xe species. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4758317] T2 - Journal of Chemical Physics T1 - Driving photochemistry by clustering: The ICl-Xe case VL - 137 IS - 15 DO - 10.1063/1.4758317 ER -
@article{ author = "Glodić, Pavle and Kartakoullis, Andreas and Farnik, Michal and Samartzis, Peter C. and Kitsopoulos, Theofanis N.", year = "2012", abstract = "We present slice imaging data demonstrating the influence of clustering on the photodissociation dynamics of a diatomic molecule: iodine monochloride (ICl) was dissociated at 235 nm in He and Xe seed gasses, probing both Cl and I photofragment energy and angular distributions. We observe that the kinetic energy releases of both Cl and I fragments change from He to Xe seeding. For Cl fragments, the seeding in Xe increases the kinetic energy release of some Cl fragments with a narrow kinetic energy distribution, and leads to some fragments with rather broad statistical distribution falling off exponentially from near-zero energies up to about 2.5 eV. Iodine fragment distribution changes even more dramatically from He to Xe seeding: sharp features essentially disappear and a broad distribution arises reaching to about 2.5 eV. Both these observations are rationalized by a simple qualitative cluster model assuming ICl dissociation inside larger xenon clusters and on surface of smaller Xe species. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4758317]", journal = "Journal of Chemical Physics", title = "Driving photochemistry by clustering: The ICl-Xe case", volume = "137", number = "15", doi = "10.1063/1.4758317" }
Glodić, P., Kartakoullis, A., Farnik, M., Samartzis, P. C.,& Kitsopoulos, T. N.. (2012). Driving photochemistry by clustering: The ICl-Xe case. in Journal of Chemical Physics, 137(15). https://doi.org/10.1063/1.4758317
Glodić P, Kartakoullis A, Farnik M, Samartzis PC, Kitsopoulos TN. Driving photochemistry by clustering: The ICl-Xe case. in Journal of Chemical Physics. 2012;137(15). doi:10.1063/1.4758317 .
Glodić, Pavle, Kartakoullis, Andreas, Farnik, Michal, Samartzis, Peter C., Kitsopoulos, Theofanis N., "Driving photochemistry by clustering: The ICl-Xe case" in Journal of Chemical Physics, 137, no. 15 (2012), https://doi.org/10.1063/1.4758317 . .