Emergence of π-magnetism in open-shell nanographenes has been theoretically predicted
decades ago but their experimental characterization was elusive due to the strong chemical …

Carbon, as an indispensable chemical element on Earth, has diverse covalent bonding
ability, which enables construction of extensive pivotal carbon-based structures in multiple …

The electrical and mechanical properties of graphene‐based materials can be tuned by the
introduction of nanopores, which are sensitively related to the size, morphology, density, and …

Selective activation and controlled functionalization of C–H bonds in organic molecules is
one of the most desirable processes in synthetic chemistry. Despite progress in …

The development of functional organic molecules requires structures of increasing size and
complexity, which are typically obtained by the covalent coupling of smaller building blocks …

Controllable ring-opening of polycyclic aromatic hydrocarbons plays a crucial role in various
chemical and biological processes. However, breaking down aromatic covalent C–C bonds …

On-surface synthesis has emerged as a powerful tool to fabricate various functional low-
dimensional nanostructures with atomic precision, thus becoming a promising platform for …

Nanoporous graphene (NPG) materials are generated by removing internal degree-3
vertices from graphene and introducing nanopores with specific topological structures …

X–H (X= N, C, O...) bonds are abundant among organic precursors; controllable scission of
hydrogenation atoms with high selectivity, therefore, has acquired extensive interest. In this …

A double-chain structure was fabricated on Au (111) with a bromine-functionalized
phenanthroline precursor. We reveal the competition between the on-surface metal–ligand …