Issue 36, 2020
From the journal:

Chemical Communications

Temperature-driven n–p conduction type switching without structural transition in a Cu-rich chalcogenide, NaCu5S3†

Shangqing Qu, ORCID logo ab   Yonggang Wang, ORCID logo *b   Yu Xiao, ORCID logo c   Yujie Yuan,a   Shengyi Li,de   Jikun Chen, ORCID logo a   Lidong Zhao, ORCID logo c   Zhiguo Xia*af  and  Jing Zhao ORCID logo *a  

* Corresponding authors

a The Beijing Municipal Key Laboratory of New Energy Materials and Technologies, School of Materials Sciences and Engineering, University of Science and Technology Beijing, Beijing 100083, China
E-mail: jingzhao@ustb.edu.cn, xiazg@ustb.edu.cn

b Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing, 100094, China
E-mail: yonggang.wang@hpstar.ac.cn

c School of Materials Science and Engineering, Beihang University, Beijing 100191, China

d CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, China

e School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China

f State Key Laboratory of Luminescent Materials and Devices and Institute of Optical Communication Materials, South China University of Technology, Guangzhou, China

Abstract

We report for the first time the discovery of reversible n–p conduction type switching in a chalcogenide, NaCu5S3, without structural transition. AC impedance and first-principles simulations of the ionic migration confirmed the local melting trends of the hexagonal copper lattice at high temperatures, which could result in superionic conductivity within NaCu5S3.

Graphical abstract: Temperature-driven n–p conduction type switching without structural transition in a Cu-rich chalcogenide, NaCu5S3

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Article information

DOI
https://doi.org/10.1039/D0CC01429J
Article type
Communication
Submitted
24 Feb 2020
Accepted
02 Apr 2020
First published
02 Apr 2020

Chem. Commun., 2020,56, 4882-4885

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Temperature-driven n–p conduction type switching without structural transition in a Cu-rich chalcogenide, NaCu5S3

S. Qu, Y. Wang, Y. Xiao, Y. Yuan, S. Li, J. Chen, L. Zhao, Z. Xia and J. Zhao, Chem. Commun., 2020, 56, 4882 DOI: 10.1039/D0CC01429J

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