This work demonstrates controllable synthesis of star-shaped nanographenes with varying symmetries, suggesting significant implications for optoelectronics and spintronics.
Nanographenes with diverse topological structures have shown enormous potential in fields such as photonics, optoelectronics, and spintronics. This work employs a "from-core-to-branch" strategy to controllably synthesize star-shaped nanographenes with various symmmetries. The obtained star-shaped nanographenes exhibit symmetry-dependent HOMO-LUMO gaps and photoluminescence quantum yields, revealing the importance of precisely controlling the molecular topologies. This work opens a new avenue to expand the chemical space of star-shaped nanographenes with tunable properties.
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Guo et al. (2025) studied this question.
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