Polar surface structure of oxide nanocrystals revealed with solid-state NMR spectroscopy

Autor: Junchao Chen, Xin-Ping Wu, Michael A. Hope, Kun Qian, David M. Halat, Tao Liu, Yuhong Li, Li Shen, Xiaokang Ke, Yujie Wen, Jia-Huan Du, Pieter C. M. M. Magusin, Subhradip Paul, Weiping Ding, Xue-Qing Gong, Clare P. Grey, Luming Peng

Publikováno v: Nature Communications, Vol 10, Iss 1, Pp 1-10 (2019)

Polar-faceted nanocrystals often have complex atomic surface configurations that are very difficult to characterize. Here, the authors are able to determine detailed structural information about the polar facets of ceria nanocubes by using 17O and 1H

Externí odkaz: https://doaj.org/article/919491b8063f44b2954a932276102b1d

Modelling amorphous materials via a joint solid-state NMR and X-ray absorption spectroscopy and DFT approach: application to alumina

Autor: Angela F. Harper, Steffen P. Emge, Pieter C. M. M. Magusin, Clare P. Grey, Andrew J. Morris

Publikováno v: Chemical Science. 14:1155-1167

A first principles model of amorphous Al2O3 is constructed which reproduces the features of experimental 27Al NMR and Al K-edge XAS spectra on an ALD-deposited sample of amorphous Al2O3.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9c7f1cc14e29ca4e4909307809669369
https://doi.org/10.1039/d2sc04035b

Improved Description of Organic Matter in Shales by Enhanced Solid Fraction Detection with Low-Field 1H NMR Relaxometry

Autor: John C. Mitchell, Edmund J. Fordham, F. Panattoni, Clare P. Grey, Adam A. Colbourne, Pieter C. M. M. Magusin

Publikováno v: Energy & Fuels. 35:18194-18209

Nuclear magnetic resonance (NMR) relaxometry is routinely used to characterize the oil fraction in unconventional shale formations with low-field benchtop NMR hardware. However, organic phases with...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::319401ca0b26afcb65420638aabbb7ce
https://doi.org/10.1021/acs.energyfuels.1c02386

Combined High-Resolution Solid-State 1H/13C NMR Spectroscopy and 1H NMR Relaxometry for the Characterization of Kerogen Thermal Maturation

Autor: Clare P. Grey, Ravinath Kausik, Pieter C. M. M. Magusin, Francesco Panattoni, Jonathan Mitchell, Edmund J. Fordham

Publikováno v: Energy & Fuels. 35:1070-1079

A key factor for the petroleum potential of source rock is the degree of chemical and physical structure evolution of its kerogen fraction through a range of maturation processes. In this study, various high-field, solid-state NMR methods have been a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ef8fd4f32d4fc8e8267b671fc75305f0
https://doi.org/10.1021/acs.energyfuels.0c02713

Unraveling the Reaction Mechanisms of SiO Anodes for Li-Ion Batteries by Combining in Situ 7Li and ex Situ 7Li/29Si Solid-State NMR Spectroscopy

Autor: Matthias F. Groh, Clare P. Grey, Keitaro Kitada, Oliver Pecher, Robert S. Weatherup, Pieter C. M. M. Magusin

Publikováno v: Kitada, K, Pecher, O, Magusin, P C M M, Groh, M F, Weatherup, R & Grey, C P 2019, ' Unravelling the Reaction Mechanism of SiO Anodes for Liion Batteries by Combining in situ 7 Li and ex situ 7 Li/ 29 Si Solid-state NMR Spectroscopy ', American Chemical Society. Journal . https://doi.org/10.1021/jacs.9b01589

Silicon monoxide is a promising alternative anode material due to its much higher capacity than graphite, and improved cyclability over other Si anodes. An in-depth analysis of the lithium silicide (Li xSi) phases that form during lithiation/delithia

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::201c920e772d9b7bfb47354601d2dccc
https://doi.org/10.1021/jacs.9b01589