2024
DOI: 10.1063/5.0195316
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Resonant electron capture by polycyclic aromatic hydrocarbon molecules: Effects of aza-substitution

Rustem V. Khatymov,
Mars V. Muftakhov,
Renat F. Tuktarov
et al.

Abstract: Resonant electron capture by aza and diaza derivatives of phenanthrene (7,8-benzoquinoline and 1,10-phenanthroline) and anthracene (acridine and phenazine) at incident free electron energies (Ee) in the range of 0–15 eV was studied. All compounds except 7,8-benzoquinoline form long-lived molecular ions (M−) at thermal electron energies (Ee ∼ 0 eV). Acridine and phenazine also form such ions at epithermal electron energies up to Ee = 1.5–2.5 eV. The lifetimes (τa) of M− with respect to electron autodetachment a… Show more

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