On-Surface Synthesis of Heptacene on Ag(001) from Brominated and Non-Brominated Tetrahydroheptacene Precursors
Luciano Colazzo, Mohammed S. G. Mohammed, Ruth Dorel, Pawel Nita,, Carlos Garc\'ia Fern\'andez, Paula Abufager, Nicol\'as Lorente, Antonio M., Echavarren, Dimas G. de Oteyza
TL;DR
This study demonstrates the on-surface synthesis of heptacene on Ag(001) from brominated and non-brominated precursors, highlighting the influence of bromine atoms on the reaction pathway and product properties.
Contribution
It provides new insights into how bromine atoms affect the on-surface synthesis process of heptacene on silver surfaces.
Findings
Brominated precursors lead to different reaction pathways compared to non-brominated ones.
Scanning tunneling microscopy reveals structural differences in intermediates and products.
The presence of bromine atoms influences the efficiency and outcome of heptacene formation.
Abstract
Achieving the Ag(001)-supported synthesis of heptacene from two related reactants reveals the effect of the presence of Br atoms on the reaction process. The properties of reactant, intermediates and end-product are further characterized by scanning tunneling microscopy and spectroscopy.
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