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Suppression of low-energy dissociative electron attachment in Fe(CO)5 upon clustering
- 1.0480172 - ÚFCH JH 2018 RIV DE eng J - Journal Article
Lengyel, Jozef - Papp, P. - Matejčík, Š. - Kočišek, Jaroslav - Fárník, Michal - Fedor, Juraj
Suppression of low-energy dissociative electron attachment in Fe(CO)5 upon clustering.
Beilstein Journal of Nanotechnology. Roč. 8, č. 1 (2017), s. 2200-2207. ISSN 2190-4286. E-ISSN 2190-4286
R&D Projects: GA ČR GA17-04844S; GA ČR(CZ) GA17-04068S; GA ČR GJ16-10995Y
Grant - others:COST(XE) CM1301
Institutional support: RVO:61388955
Keywords : aggregation effects * FEBID * dissociative electron attachment
OECD category: Physical chemistry
Impact factor: 2.968, year: 2017
Method of publishing: Open access
In this work, we probe anion production upon electron interaction with Fe(CO)5 clusters using two complementary cluster-beam setups. We have identified two mechanisms that lead to synthesis of complex anions with mixed Fe/CO composition. These two mechanisms are operative in distinct electron energy ranges. It is shown that the elementary decomposition mechanism that has received perhaps the most attention in recent years (i.e., dissociative electron attachment at energies close to 0 eV) becomes suppressed upon increasing aggregation of iron pentacarbonyl. We attribute this suppression to the electrostatic shielding of a long-range interaction that strongly enhances the dissociative electron attachment in isolated Fe(CO)5.
Permanent Link: http://hdl.handle.net/11104/0276058
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