Nanographenes and graphene nanoribbons as multitalents of present and future materials science

Y Gu, Z Qiu, K Müllen - Journal of the American Chemical …, 2022 - ACS Publications
As cut-outs from a graphene sheet, nanographenes (NGs) and graphene nanoribbons
(GNRs) are ideal cases with which to connect the world of molecules with that of bulk carbon …

Planar, curved and twisted molecular nanographenes: Reduction-induced alkali metal coordination

Z Zhou, MA Petrukhina - Coordination Chemistry Reviews, 2023 - Elsevier
Planar and curved polycyclic aromatic hydrocarbons (PAHs) attract significant attention as
molecular models of fullerenes, carbon nanotubes, and graphene, thus stimulating broad …

Helical bilayer nanographenes: impact of the helicene length on the structural, electrochemical, photophysical, and chiroptical properties

P Izquierdo-García, JM Fernández-García… - Journal of the …, 2023 - ACS Publications
Helical bilayer nanographenes (HBNGs) are chiral π-extended aromatic compounds
consisting of two π–π stacked hexabenzocoronenes (HBCs) joined by a helicene, thus …

Unveiling the Multielectron Acceptor Properties of π-Expanded Pyracylene: Reversible Boat to Chair Conversion

Y Zhu, J Borstelmann, O Bertleff, J Bergner… - Journal of the …, 2024 - ACS Publications
In this work, the chemical reduction of a hybrid pyracylene-hexa-peri-hexabenzocoronene
(HPH) nanographene was investigated with different alkali metals (Na, K, Rb) to reveal its …

Electronic control of the Scholl reaction: selective synthesis of spiro vs helical nanographenes

P Izquierdo‐García… - Angewandte Chemie …, 2023 - Wiley Online Library
Scholl oxidation has become an essential reaction in the bottom‐up synthesis of molecular
nanographenes. Herein, we describe a Scholl reaction controlled by the electronic effects on …

Tetrahedraphene: A Csp3‐centered 3D Molecular Nanographene Showing Aggregation‐Induced Emission

A Oró, F Romeo‐Gella, J Perles… - Angewandte Chemie …, 2023 - Wiley Online Library
The bottom‐up synthesis of 3D tetrakis (hexa‐peri‐hexabenzocoronenyl) methane,“
tetrahedraphene”, is reported. This molecular nanographene constituted by four hexa‐peri …

Adding multiple electrons to helicenes: how they respond?

Z Zhou, MA Petrukhina - Chemical Science, 2025 - pubs.rsc.org
Helicenes of increasing dimensions and complexity have recently burst into the scene due
to their unique structures coupled with interesting chiral, optical, and conducting properties …

π‐Extended 4, 5‐Fused Bis‐Fluorene: Highly Open‐Shell Compounds and their Cationic Tetrathiafulvalene Derivatives

F Lirette, V Bliksted Roug Pedersen… - Angewandte …, 2024 - Wiley Online Library
The synthesis of diradical organic compounds has garnered significant attention due to their
thermally accessible spin inversion and optoelectronic properties. Yet, preparing such stable …

Twenty Years of Graphene: From Pristine to Chemically Engineered Nano-Sized Flakes

P Izquierdo-García… - Journal of the …, 2024 - ACS Publications
It is a celebratory moment for graphene! This year marks the 20th anniversary of the
discovery of this amazing material by Geim and Novoselov. Curiously, it coincides with the …

Reduction of π‐Expanded Cyclooctatetraene with Lithium: Stabilization of the Tetra‐Anion through Internal Li+ Coordination

Z Zhou, Y Zhu, Z Wei, J Bergner, C Neiß… - Angewandte Chemie …, 2021 - Wiley Online Library
The chemical reduction of a π‐expanded polycyclic framework comprising a
cyclooctatetraene moiety, octaphenyltetrabenzocyclooctatetraene, with lithium metal readily …