2025/12/30 by Maren Zirwick, Florian Reicherter, Thomas Chassé +2 · 1 voice
Materials Science · Chemistry · #Boron and Carbon Nanomaterials Research #Graphene research and applications #Organoboron and organosilicon chemistry
paper · pdf · doi:10.1021/acs.jpcc.5c06788
openalex created_date 2025/12/30 · openalex publication_date 2025/12/30 · openalex updated_date 2026/08/01
High Resolution Image Download MS PowerPoint Slide Nanographene molecules can be regarded as building blocks for larger graphene nanostructures. The incorporation of a borazine core (B 3 N 3 ) into the center of the iconic nanographene hexa-peri-hexabenzocoronene (HBC), a planar, disk-shaped molecule, enables tailoring of the electronic structure and evokes specific interactions at interfaces of the resulting BN-HBC. A precursor for the synthesis of BN-HBC is the propeller-shaped B 3 N 3 -hexabenzotriphenylene (BN-HBP) whose molecular structure affects the electronic interface properties, adsorption geometry, and film morphology. We report the study of the interaction of BN-HBP with Cu(110) and Cu(111) surfaces using X-ray photoemission spectroscopy (XPS), low-energy electron diffraction (LEED), scanning tunneling microscopy (STM), and supporting density functional theory (DFT) calculations. BN-HBP is undergoing slow surface-induced reactions that are accelerated at elevated temperatures. These reactions result in intramolecular cyclodehydrogenation toward BN-HBC as well as in intermolecular fusion of BN-HBC moieties.