Synthesis and characterization of a large-quantity of functionalized graphene from graphite by a facile bubble-exfoliation method

A Gholizadeh, A Babaei, MH Abdolrasouli - Nano-Structures & Nano …, 2023 - Elsevier
In this work, functionalized graphene (FG) was synthesized based on an improved bubble-
exfoliation method from cheap defective graphite. By using the improved method, we …

Toward strategical bottom-up synthesis of carbon materials with exceptionally high pyridinic-nitrogen content: development of screening techniques

Y Yamada, H Tanaka, Y Tanaka, S Kubo, T Taguchi… - Carbon, 2022 - Elsevier
Selective doping of nitrogen-containing functional groups of carbon materials is the most
essential technique for enhancing properties significantly for various applications such as …

Toward strategical bottom-up synthesis of carbon materials with exceptionally high basal-nitrogen content: development of screening techniques

Y Yamada, H Sato, S Gohda, T Taguchi, S Sato - Carbon, 2023 - Elsevier
Selective doping of nitrogen-containing functional groups in the basal plane of carbon
materials is the most promising technique for enhancing performances and stability …

Bottom-up synthesis of carbon materials with an exceptionally high percentage of pentagons or tertiary nitrogen by brominating precursors

I Kuno, A Sato, S Gohda, S Sato, Y Yamada - Carbon, 2023 - Elsevier
Carbon materials with pentagons and graphitic nitrogen (tertiary nitrogen) have attracted
much attention due to their prominent electrical and chemical properties. However, the low …

Spectroscopic distinction of carbon nanobelts and nanohoops

H Jeong, S Park, J Yang, HM Lee, S An, Y Yamada… - Carbon, 2023 - Elsevier
Among nanocarbon materials prepared via organic synthesis, carbon nanobelts (NBs), such
as cyclacenes and cyclophenacenes, and carbon nanohoops (NHs), such as …

Effects of molecular shapes, molecular weight, and types of edges on peak positions of C1s X-ray photoelectron spectra of graphene-related materials and model …

K Mori, J Kim, S Kubo, Y Yamada - Journal of Materials Science, 2022 - Springer
Nanocarbon materials such as graphene and graphene nanoribbons (GNRs) have been
studied for various applications such as electrodes and catalysts. For precise analyses of …

All-carbon electrode materials with high specific capacitance prepared by non-covalent interaction of 2, 3-dichloro-1, 4-naphthoquinone on graphene

Y Yang, D Qian, J Yang, Y Xiong, Z Zhang, Z Li… - Chemical Engineering …, 2023 - Elsevier
To effectively solve the problem of the low energy density of graphene-based
supercapacitors, an effective strategy is to couple graphene with organic molecules with …

Density Functional Theory Studies of the Influence of Pore Diameter and Nitrogen-Containing Functional Groups on CO2 Capture in Nanoporous Graphene

S Park, HM Lee, YS Lee, S An, J Yang… - ACS Applied Nano …, 2023 - ACS Publications
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 …

Poly(vinylalcohol) (PVA) Assisted Sol-Gel Fabrication of Porous Carbon Network-Na3V2(PO4)3 (NVP) Composites Cathode for Enhanced Kinetics in Sodium Ion …

J Yang, D Choi, KS Kim, DU Kim, J Kim - Polymers, 2021 - mdpi.com
Na3V2 (PO4) 3 is regarded as one of the promising cathode materials for next-generation
sodium ion batteries, but its undesirable electrochemical performances due to inherently low …

[HTML][HTML] Structural distinction of zigzag-edge coronoids analyzed by spectroscopies

S Park, H Jeong, BJ Kim, YK Lee, J Yang, J Kim - Carbon, 2023 - Elsevier
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) …