An Ångström-level d-spacing controlling synthetic route for MoS2 towards stable intercalation of sodium ions

Kan Zhang; Ping Li; Shiying Guo; Jong Yeob Jeong; Bingjun Jin; Xiaoming Li; Shengli Zhang; Haibo Zeng; Jong Hyeok Park

doi:10.1039/C8TA09066A

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An Ångström-level d-spacing controlling synthetic route for MoS₂ towards stable intercalation of sodium ions†

Kan Zhang,

‡*^ab Ping Li,

‡^bc Shiying Guo,^a Jong Yeob Jeong,^b Bingjun Jin,

^b Xiaoming Li,^a Shengli Zhang,

^a Haibo Zeng

*^a and Jong Hyeok Park

*^b

Author affiliations

* Corresponding authors

^a MIIT Key Laboratory of Advanced Display Materials and Devices, Institute of Optoelectronics and Nanomaterials, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, People's Republic of China
E-mail: zhangkan@njust.edu.cn, zeng.haibo@njust.edu.cn

^b Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Republic of Korea
E-mail: lutts@yonsei.ac.kr

^c SKKU Advanced Institute of Nano Technology (SAINT), Sungkyunkwan University, Suwon, 440-746, Republic of Korea

Abstract

In this paper, we precisely controlled the d-spacing of vertically aligned MoS₂ arrays ranging from 6.2 to 10 Å via heating-controlled deintercalation of NH₄⁺ ions. The finely controllable interlayer nanoarchitecture resulted in an optimal d-spacing of 7.3 Å, which on nitrogenous reduced graphene oxide (N-RGO) delivered a reversible capacity of 295 mA h g⁻¹ after 2000 cycles at 1 A g⁻¹ for Na⁺ intercalation.

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Article information

DOI: https://doi.org/10.1039/C8TA09066A
Article type: Communication
Submitted: 17 Sep 2018
Accepted: 25 Oct 2018
First published: 25 Oct 2018

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J. Mater. Chem. A, 2018,6, 22513-22518

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An Ångström-level d-spacing controlling synthetic route for MoS₂ towards stable intercalation of sodium ions

K. Zhang, P. Li, S. Guo, J. Y. Jeong, B. Jin, X. Li, S. Zhang, H. Zeng and J. H. Park, J. Mater. Chem. A, 2018, 6, 22513 DOI: 10.1039/C8TA09066A

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Journal of Materials Chemistry A