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Title: Constructing multifunctional heterostructure of Fe2O3@Ni3Se4 nanotubes
Authors: Zheng, Penglun
Zhang, Yu
Dai, Zhengfei
Zheng, Yun
Dinh, Khang Ngoc
Yang, Jun
Dangol, Raksha
Liu, Xiaobo
Yan, Qingyu
Keywords: Engineering::Materials
Issue Date: 2018
Source: Zheng, P., Zhang, Y., Dai, Z., Zheng, Y., Dinh, K. N., Yang, J., . . . Yan, Q. (2018). Constructing multifunctional heterostructure of Fe2O3@Ni3Se4 nanotubes. Small, 14(15), 1704065-. doi:10.1002/smll.201704065
Journal: Small
Abstract: Heterostructures have attracted increasing attention due to their amazing synergetic effects, which may improve the electrochemical properties, such as good electrical/ionic conductivity, electrochemical activity, and mechanical stability. Herein, novel hierarchical Fe2 O3 @Ni3 Se4 nanotubes are successfully fabricated by a multistep strategy. The nanotubes show length sizes of ≈250-500 nm, diameter sizes of ≈100-150 nm, and wall thicknesses of ≈10 nm. The as-prepared Fe2 O3 @Ni3 Se4 nanotubes with INi:Fe = 1:10 show excellent Li storage properties (897 mAh g-1 high reversible charge capacity at 0.1 A g-1 ), good rate performance (440 mAh g-1 at 5 A g-1 ), and outstanding long-term cycling performance (440 mAh g-1 at 5 A g-1 during the 300th cycle) as an anode material for lithium ion batteries. In addition, the Fe2 O3 @Ni3 Se4 nanotubes with INi:Fe = 1:10 (the atomic ratio between Ni and Fe) show superior electrocatalytic performance toward the oxygen evolution reaction with an overpotential of only 246 mV at 10 mA cm-2 and a low Tafel slope of 51 mV dec-1 in 1 m KOH solution.
ISSN: 1613-6810
DOI: 10.1002/smll.201704065
Rights: © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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