Journal article

CoSe2-Decorated NbSe2 Nanosheets Fabricated via Cation Exchange for Li Storage

Jianli Zhang, Chengfeng Du, Jin Zhao, Hao Ren, Qinghua Liang, Yun Zheng, Srinivasan Madhavi, Xin Wang, Junwu Zhu, Qingyu Yan

ACS APPLIED MATERIALS & INTERFACES | AMER CHEMICAL SOC | Published : 2018

Abstract

Though 2D transition metal dichalcogenides have attracted a lot of attention in energy-storage applications, the applications of NbSe2 for Li storage are still limited by the unsatisfactory theoretical capacity and uncontrollable synthetic approaches. Herein, a controllable oil-phase synthetic route for preparation of NbSe2 nanoflowers consisted of nanosheets with a thickness of ∼10 nm is presented. Significantly, a part of NbSe2 can be further replaced by orthorhombic CoSe2 nanoparticles via a post cation exchange process, and the predominantly 2D nanosheet-like morphology can be well-maintained, resulting in the formation of CoSe2-decorated NbSe2 (denoted as CDN) nanosheets. More interesti..

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University of Melbourne Researchers

Grants

Awarded by Natural Science Foundation of China


Awarded by Singapore MOE AcRF Tier 1


Awarded by Singapore EMA project


Awarded by National Research Foundation of Singapore (NRF) Investigatorship Award


Funding Acknowledgements

This work was financially supported by Natural Science Foundation of China (51772152 and 51472122), PAPD of Jiangsu, and Singapore MOE AcRF Tier 1 under grants RG113/15 and 2016-T1-002-065, and Singapore EMA project EIRP 12/NRF2015EWT-EIRP002-008, National Research Foundation of Singapore (NRF) Investigatorship Award NRF2016NRF-NRFI001-22. The characterizations of TEM, SEM, and XRD was investigated in the Facility for Analysis, Characterization, Testing and Simulation (FACTS), Nanyang Technological University, Singapore. J.Z. gratefully acknowledges the financial support from China Scholarship Council (CSC).