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pmid: 39110601
handle: 10261/382436 , 10347/38231
Abstract Starphenes are structurally appealing three‐fold symmetric polycyclic aromatic compounds with potential interesting applications in molecular electronics and nanotechnology. This family of star‐shaped polyarenes can be regarded as three acenes that are connected through a single benzene ring. In fact, just like acenes, unsubstituted large starphenes are poorly soluble and highly reactive molecules under ambient conditions making their synthesis difficult to achieve. Herein, we report two different synthetic strategies to obtain a starphene formed by 19 cata ‐fused benzene rings distributed within three hexacene branches. This molecule, which is the largest starphene that has been obtained to date, was prepared by combining solution‐phase and on‐surface synthesis. [19]Starphene was characterized by high‐resolution scanning tunneling microscopy (STM) and spectroscopy (STS) showing a remarkable small HOMO‐LUMO transport gap (0.9 eV).
Nanotecnología, Starfenos, 2306 Química orgánica, Electrónica molecular
Nanotecnología, Starfenos, 2306 Química orgánica, Electrónica molecular
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