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 …

From stable radicals to thermally robust high-spin diradicals and triradicals

C Shu, Z Yang, A Rajca - Chemical Reviews, 2023 - ACS Publications
Stable radicals and thermally robust high-spin di-and triradicals have emerged as important
organic materials due to their promising applications in diverse fields. New fundamental …

Diradicals

M Abe - Chemical Reviews, 2013 - ACS Publications
Open-shell molecules such as radicals, carbenes, and electronically excited-state molecules
exhibit high energies, and thus, in general, they are quite reactive. 1 The short-lived species …

Observation of fractional edge excitations in nanographene spin chains

S Mishra, G Catarina, F Wu, R Ortiz, D Jacob, K Eimre… - Nature, 2021 - nature.com
Fractionalization is a phenomenon in which strong interactions in a quantum system drive
the emergence of excitations with quantum numbers that are absent in the building blocks …

London dispersion in molecular chemistry—reconsidering steric effects

JP Wagner, PR Schreiner - Angewandte Chemie International …, 2015 - Wiley Online Library
London dispersion, which constitutes the attractive part of the famous van der Waals
potential, has long been underappreciated in molecular chemistry as an important element …

Topological frustration induces unconventional magnetism in a nanographene

S Mishra, D Beyer, K Eimre, S Kezilebieke… - Nature …, 2020 - nature.com
The chemical versatility of carbon imparts manifold properties to organic compounds, where
magnetism remains one of the most desirable but elusive. Polycyclic aromatic hydrocarbons …

Playing with organic radicals as building blocks for functional molecular materials

I Ratera, J Veciana - Chemical Society Reviews, 2012 - pubs.rsc.org
The literature has shown numerous contributions on the synthesis and physicochemical
properties of persistent organic radicals but there are a lesser number of reports about their …

Phenalenyl radical: Smallest polycyclic odd alternant hydrocarbon present in the graphene sheet

J Ahmed, SK Mandal - Chemical Reviews, 2022 - ACS Publications
Phenalenyl, a zigzag-edged odd alternant hydrocarbon unit can be found in the graphene
nanosheet. Hückel molecular orbital calculations indicate the presence of a nonbonding …

Organic semiconductors based on dyes and color pigments

M Gsänger, D Bialas, L Huang, M Stolte… - Advanced …, 2016 - Wiley Online Library
Organic dyes and pigments constitute a large class of industrial products. The utilization of
these compounds in the field of organic electronics is reviewed with particular emphasis on …

Low band gap polycyclic hydrocarbons: from closed-shell near infrared dyes and semiconductors to open-shell radicals

Z Sun, Q Ye, C Chi, J Wu - Chemical Society Reviews, 2012 - pubs.rsc.org
Low band gap (Eg< 1.5 eV) polycyclic hydrocarbons have become one of the most important
types of materials for many applications, for example, as semiconductors in organic field …