Unveiling bonding states and roles of edges in nitrogen-doped graphene nanoribbon by X-ray photoelectron spectroscopy

Y Yamada, H Tanaka, S Kubo, S Sato - Carbon, 2021 - Elsevier
X-ray photoelectron spectroscopy (XPS) is among the most utilized analytical methods for
nitrogen-doped carbon materials. Clarifying the assignments of nitrogen-doped carbon …

Origins of peaks of graphitic and pyrrolic nitrogen in N1s X-ray photoelectron spectra of carbon materials: quaternary nitrogen, tertiary amine, or secondary amine?

T Kato, Y Yamada, Y Nishikawa, T Otomo… - Journal of Materials …, 2021 - Springer
X-ray photoelectron spectroscopy (XPS) is among the most powerful techniques to analyse
structures of nitrogen-doped carbon materials. However, reported assignments of (1) …

[HTML][HTML] Avoiding common errors in X-ray photoelectron spectroscopy data collection and analysis, and properly reporting instrument parameters

JW Pinder, GH Major, DR Baer, J Terry… - Applied Surface Science …, 2024 - Elsevier
Despite numerous tutorials and standards written to the technical community on X-ray
photoelectron spectroscopy (XPS), difficulties with data acquisition, analysis, and reporting …

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 …

Fabrication of granular three-dimensional graphene oxide/UiO-66 adsorbent for high uranium adsorption: Density functional theory and fixed bed column studies

CE Choong, YY Chang, J Yang, JR Kim, SE Oh… - Journal of Hazardous …, 2024 - Elsevier
This study presents a thorough investigation of the novel application of graphene oxide (GO)
modified with melamine formaldehyde to fabricate granular three-dimensional GO (3D-GO) …

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 …

Pentagons and heptagons on edges of graphene nanoflakes analyzed by X-ray photoelectron and raman spectroscopy

J Kim, N Lee, D Choi, DY Kim, R Kawai… - The Journal of …, 2021 - ACS Publications
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 …