Carbonization mechanisms of polyimide: Methodology to analyze carbon materials with nitrogen, oxygen, pentagons, and heptagons

T Kato, Y Yamada, Y Nishikawa, H Ishikawa, S Sato - Carbon, 2021 - Elsevier
Carbonization process of pyromellitic dianhydride (PMDA)-4, 4′-diaminodiphenyl ether
(ODA)-type polyimide has been studied for decades. However, various reaction …

Dimensionally integrated nanoarchitectonics for a novel composite from 0D, 1D, and 2D nanomaterials: RGO/CNT/CeO 2 ternary nanocomposites with …

R Rajendran, LK Shrestha, K Minami… - Journal of Materials …, 2014 - pubs.rsc.org
We report a one-step conversion of a dimensionally mixed ternary nanocomposite from zero-
dimensional (0D) cerium oxide (CeO2), one-dimensional (1D) carbon nanotubes (CNTs) …

Carbon materials with controlled edge structures

Y Yamada, S Gohda, K Abe, T Togo, N Shimano… - Carbon, 2017 - Elsevier
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 …

Effect of plasma treatment condition on mechanical and chemical properties of carbon fibers

H Lee, G Kim, K Kim, H Kim, DU Kim - Journal of Materials Engineering …, 2023 - Springer
Improving interfacial bonding between carbon fibers recovered from used carbon
composites can reduce costs and address environmental concerns surrounding landfill of …

Bottom-up synthesis of highly soluble carbon materials

S Gohda, Y Yamada, M Murata, M Saito… - Journal of Materials …, 2020 - Springer
Oxygen-containing carbon materials such as graphene oxide have been studied intensively
for a decade because of the high oxygen content, which is beneficial to disperse carbon …

Bottom-up synthesis of pyridinic-nitrogen doped carbon materials from brominated two-fused-ring aromatics at low carbonization temperatures

N Ohtsubo, S Gohda, S Sato, Y Yamada - Carbon Reports, 2023 - jstage.jst.go.jp
Pyridinic nitrogen-containing carbon materials are expected to show high performance as
electrodes and catalysts. Carbon materials introducing only pyridinic nitrogen have been …

Designing kinetics of graphene composited multiscale porous carbon for advancing energy storage performance of supercapacitors

KS Kim, HM Lee, JH Kim, I Jung, W Na, BS Lee… - Journal of Industrial and …, 2022 - Elsevier
Despite active research on supercapacitors to address the demand for high-power backup
power systems, the energy storage performance of supercapacitors at high current densities …

Carbonization of phloroglucinol promoted by heteropoly acids

S Gohda, M Saito, Y Yamada, S Kanazawa… - Journal of Materials …, 2021 - Springer
Oxygen-containing carbon materials such as graphene oxide have been extensively studied
because of their high dispersibility. However, the oxygen-containing functional groups in …

Pyrolysis of epoxidized fullerenes analyzed by spectroscopies

J Kim, Y Yamada, Y Suzuki, J Ciston… - The Journal of Physical …, 2014 - ACS Publications
Epoxide is one of the simplest functional groups on fullerenes, but mechanisms for migration
of oxygen atoms and formations of CO and CO2 gases upon heat treatment are still unclear …

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 …