5 years ago

Facet-Selective Deposition of FeOx on α-MoO3 Nanobelts for Lithium Storage

Facet-Selective Deposition of FeOx on α-MoO3 Nanobelts for Lithium Storage
Xue Liu, Liang Zhou, Nuo Xu, Zechao Zhuang, Changwei Shi, Jiantao Li, Doudou Guan, Liqiang Mai, Yao Yao
One-dimensional heterostructures have attracted significant interests in various applications. However, the selective deposition of shell material on specific sites of the backbone material remains a challenge. Herein, a facile facet-selective deposition strategy has been developed for the construction of heterostructured α-MoO3@FeOx nanobelts. Because of the anisotropic feature of α-MoO3 nanobelts, the FeOx nanoparticles selectively deposit on the edges of α-MoO3 nanobelts, that is, the {100} and {001} facets. Such a heterostructure facilitates the electron transfer in lithium storage. As a result, the α-MoO3@FeOx nanobelts exhibit high capacities of 913 mA h g–1 after 100 cycles at 200 mA g–1 and 540 mA h g–1 after 100 cycles at 1000 mA g–1. The facet-selective deposition strategy developed here would be extended to the construction of other novel heterostructures with fascinating physical/chemical properties and wide potential applications.

Publisher URL: http://dx.doi.org/10.1021/acsami.7b13529

DOI: 10.1021/acsami.7b13529

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