17 o solid-state nmr studies of zro 2 nanoparticles

Li Shen, Xin Ping Wu, Yang Wang, Meng Wang, Junchao Chen, Yuhong Li, Hua Huo, Wenhua Hou, Weiping Ding, Xue Qing Gong, Luming Peng

Research output: Contribution to journalArticle

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Abstract

17 O solid-state NMR spectroscopy was applied to study the structure of monoclinic and tetragonal zirconia nanoparticles with the help of density functional theory calculations for spectral assignments. Although high-temperature 17 O enrichment allows detection of oxygen ions in the "bulk" part of nanoparticles, selective NMR observation of surface oxygen species can be realized using 17 O-labeled water to enrich surface oxygen sites at a relatively low temperature. The high-frequency 17 O NMR resonances arising from low-coordinated oxygen ions on the surface of monoclinic and tetragonal zirconia nanoparticles were observed for the first time. The results are the basis for further understanding of structure-properties relations of zirconia nanomaterials.

Original languageEnglish (US)
Pages (from-to)4158-4167
Number of pages10
JournalJournal of Physical Chemistry C
Volume123
Issue number7
DOIs
StatePublished - Feb 21 2019

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    Shen, L., Wu, X. P., Wang, Y., Wang, M., Chen, J., Li, Y., Huo, H., Hou, W., Ding, W., Gong, X. Q., & Peng, L. (2019). 17 o solid-state nmr studies of zro 2 nanoparticles Journal of Physical Chemistry C, 123(7), 4158-4167. https://doi.org/10.1021/acs.jpcc.8b11091