Low dimensional nanostructures of fast ion conducting lithium nitride.

Autor: Tapia-Ruiz N; WestCHEM, School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, UK.; Department of Chemistry, Lancaster University, Lancaster, LA1 4YB, UK., Gordon AG; School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK., Jewell CM; WestCHEM, School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, UK., Edwards HK; School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK.; Department of Mechanical, Materials and Manufacturing Engineering, University of Nottingham, University Park, Nottingham, NG7 2RD, UK., Dunnill CW; WestCHEM, School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, UK., Blackman JM; Department of Chemical and Environmental Engineering, University of Nottingham, University Park, Nottingham, NG7 2RD, UK., Snape CP; Department of Chemical and Environmental Engineering, University of Nottingham, University Park, Nottingham, NG7 2RD, UK., Brown PD; Department of Mechanical, Materials and Manufacturing Engineering, University of Nottingham, University Park, Nottingham, NG7 2RD, UK., MacLaren I; School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, UK., Baldoni M; School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK.; Istituto per lo Studio dei Materiali Nanostrutturati (ISMN), Consiglio Nazionale delle Ricerche (CNR), Via P. Gobetti 101, 40129, Bologna, Italy., Besley E; School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK., Titman JJ; School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK., Gregory DH; WestCHEM, School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, UK. Duncan.Gregory@glasgow.ac.uk.
Jazyk: angličtina
Zdroj: Nature communications [Nat Commun] 2020 Sep 08; Vol. 11 (1), pp. 4492. Date of Electronic Publication: 2020 Sep 08.
DOI: 10.1038/s41467-020-17951-6
Abstrakt: As the only stable binary compound formed between an alkali metal and nitrogen, lithium nitride possesses remarkable properties and is a model material for energy applications involving the transport of lithium ions. Following a materials design principle drawn from broad structural analogies to hexagonal graphene and boron nitride, we demonstrate that such low dimensional structures can also be formed from an s-block element and nitrogen. Both one- and two-dimensional nanostructures of lithium nitride, Li 3 N, can be grown despite the absence of an equivalent van der Waals gap. Lithium-ion diffusion is enhanced compared to the bulk compound, yielding materials with exceptional ionic mobility. Li 3 N demonstrates the conceptual assembly of ionic inorganic nanostructures from monolayers without the requirement of a van der Waals gap. Computational studies reveal an electronic structure mediated by the number of Li-N layers, with a transition from a bulk narrow-bandgap semiconductor to a metal at the nanoscale.
Databáze: MEDLINE