Disclosing Early Excited State Relaxation Events in Prototypical Linear Carbon Chains.

ABSTRACT: One-dimensional (1D) linear nanostructures comprising sp-hybridized carbon atoms, as derivatives of the prototypical allotrope known as carbyne, are predicted to possess outstanding mechanical, thermal, and electronic properties. Despite recent advances in their synthesis, their chemical and physical properties are still poorly understood. Here, we investigate the photophysics of a prototypical polyyne (i.e., 1D chain with alternating single and triple carbon bonds) as the simplest model of finite carbon wire and as a prototype of sp-carbon-based chains. We perform transient absorption experiments with high temporal resolution (<30 fs) on monodispersed hydrogen-capped hexayne H─(C≡C)₆─H synthesized by laser ablation in liquid. With the support of computational stud

SUBMITTER: Kabacinski P 

PROVIDER: S-EPMC10450801 | biostudies-literature | 2023 Aug

REPOSITORIES: biostudies-literature