Explanipedia

Measurement of Lateral Resolution in Confocal Raman Spectroscopy Using Indium Arsenide Nanowires Open

Sebastian Wood, Keith R. Paton, Ruth Rawcliffe, Tomas Peach, Tehseen Adel , et al. · 2025

Lateral resolution is a key figure of merit for spectroscopy across all applications. Confocal Raman spectroscopy is able to provide chemical and structural information with submicrometre resolution, resulting in widespread use across mult…

Impact of Beam Profile on Raman Spectroscopy Measurements Open

Dimitrios Tsikritsis, Nicolás Coca-López, Vassilis Papadakis, Keith R. Paton, Raquel Portela , et al. · 2025

Characterisation and optimisation of the laser beam profile in Raman spectroscopy is critical to ensure accuracy and reproducibility of measurements, especially for heterogeneous or sensitive samples. The laser beam profile has a significa…

Approaches for the measurement of lateral dimensions of graphene oxide flakes using scanning electron microscopy Open

Giovanni Chemello, Konstantinos Despotelis, Keith R. Paton, Charles A. Clifford, Andrew J. Pollard , et al. · 2025

There is a practical need, especially from the industrial community, to accurately measure the size and shape of graphene oxide (GO) flakes of commercial origin, in a reliable, simple, and unambiguous way. The sample preparation is a decis…

Predicting graphene production with population balance modelling Open

Diego T. Pérez-Álvarez, Sofia Marchesini, Keith R. Paton, Jack Sykes, Dawid Hampel , et al. · 2024

Quantification of titanium dioxide (TiO<sub>2</sub>) anatase and rutile polymorphs in binary mixtures by Raman spectroscopy: an interlaboratory comparison Open

Alessio Sacco, Luisa Mandrile, Li‐Lin Tay, Nobuyasu Itoh, Ankit Raj , et al. · 2023

This article presents an interlaboratory comparison (ILC) on Raman spectroscopy as a technique for relative quantification of the two most common polymorphs of titanium dioxide (TiO 2 )—anatase and rutile—in binary mixtures. Some standard …

On the use of Raman spectroscopy to characterize mass-produced graphene nanoplatelets Open

Keith R. Paton, Konstantinos Despotelis, Naresh Kumar, Piers Turner, Andrew J. Pollard · 2023

Raman spectroscopy is one of the most common methods to characterize graphene-related 2D materials, providing information on a wide range of physical and chemical properties. Because of typical sample inhomogeneity, Raman spectra are acqui…

International interlaboratory comparison of Raman spectroscopic analysis of CVD-grown graphene Open

Piers Turner, Keith R. Paton, Elizabeth J. Legge, Andrés de Luna Bugallo, Ana K. Rocha-Robledo , et al. · 2022

There is a pressing need for reliable, reproducible and accurate measurements of graphene’s properties, through international standards, to facilitate industrial growth. However, trustworthy and verified standards require rigorous metrolog…

Gas physisorption measurements as a quality control tool for the properties of graphene/graphite powders Open

Sofia Marchesini, Piers Turner, Keith R. Paton, Benjamen P. Reed, Barry Brennan , et al. · 2020

On the extent of fracture toughness transfer from 1D/2D nanomodified epoxy matrices to glass fibre composites Open

Nadiim Domun, Keith R. Paton, B.R.K. Blackman, Cihan Kaboğlu, Samireh Vahid , et al. · 2020

Ballistic impact behaviour of glass fibre reinforced polymer composite with 1D/2D nanomodified epoxy matrices Open

Nadiim Domun, Cihan Kaboğlu, Keith R. Paton, John P. Dear, Jun Liu , et al. · 2019

Biological recognition of graphene nanoflakes Open

Valentina Castagnola, Wenkai Zhao, Luca Boselli, Cristina Lo Giudice, Fabian Meder , et al. · 2018

Enhancement of Fracture Toughness of Epoxy Nanocomposites by Combining Nanotubes and Nanosheets as Fillers Open

Nadiim Domun, Keith R. Paton, H. Hadavinia, Toby Sainsbury, T. Zhang , et al. · 2017

In this work the fracture toughness of epoxy resin has been improved through the addition of low loading of single part and hybrid nanofiller materials. Functionalised multi-walled carbon nanotubes (f-MWCNTs) was used as single filler, inc…

Improving the fracture toughness properties of epoxy using graphene nanoplatelets at low filler content Open

Nadiim Domun, H. Hadavinia, Tao Zhang, Gholamhossein Liaghat, Samireh Vahid , et al. · 2017

This paper reports improvement in the fracture properties of epoxy nanocomposites using plasma functionalized graphene nanoplatelets (f-GNP) at low filler content. Various mechanical tests were performed on a series of f-GNP/epoxy at low n…

Relating the optical absorption coefficient of nanosheet dispersions to the intrinsic monolayer absorption Open

Keith R. Paton, Jonathan N. Coleman · 2016

Synthesis, characterisation and properties of graphene Open

Keith R. Paton · 2016

Spectroscopic metrics allow in situ measurement of mean size and thickness of liquid-exfoliated few-layer graphene nanosheets Open

Claudia Backes, Keith R. Paton, Damien Hanlon, Shengjun Yuan, M. I. Katsnelson , et al. · 2016

Liquid phase exfoliation is a powerful and scalable technique to produce defect-free mono- and few-layer graphene. However, samples are typically polydisperse and control over size and thickness is challenging. Notably, high throughput tec…

Relating the optical absorption coefficient of nanosheet dispersions to\n the intrinsic monolayer absorption Open

Keith R. Paton, Jonathan N. Coleman · 2015

The concentration of nanosheet suspensions is an important technological\nparameter which is commonly measured by optical spectroscopy using the\nabsorption coefficient to transform absorbance into concentration. However for\nall 2D materi…

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