Graphene nanoribbons (GNRs) have recently emerged as alternative 2D semiconductors
owing to their fascinating electronic properties that include tunable band gaps and high …

Carbon materials with pyrrolic nitrogen are expected to be applied to electrodes and
catalysts because of their excellent high charge density and reactivity. However, pyrrolic …

Edges of carbon materials have been known to work as active sites for various applications
such as catalysts, adsorbent, and electrodes, but selecting precursors for carbon materials …

Carbon materials with pentagons and graphitic nitrogen (tertiary nitrogen) have attracted
much attention due to their prominent electrical and chemical properties. However, the low …

Identifying pentagons and heptagons in graphene nanoflake (GNF) structures at the atomic
scale is important to completely understand the chemical and physical properties of these …

The performance of graphene-based electronic devices depends critically on the existence
of topological defects such as heptagons. Identifying heptagons at the atomic scale is …

The CO2 adsorption performance of nanoporous graphene depends on the pore size and
type of nitrogen-containing functional groups (N-groups) introduced into the graphene …

Determination of the number of bromo groups and brominated positions of edges on carbon
materials is essential for selective functionalization because the brominated positions …

Unlike armchair-edge coronoids, the band gap of zigzag-edge coronoids (ZCs) can be
adjusted via the molecular and cavity sizes. Herein, X-ray photoelectron spectroscopy (XPS) …

CO2 separation from CO2/CH4 and CO2/H2 mixtures is essential in H2 production from
biogas. Although amine-functionalized carbon materials are excellent candidates for …