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https://hdl.handle.net/10356/139078
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. | URI: | https://hdl.handle.net/10356/139078 | 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 |
Appears in Collections: | MSE Journal Articles |
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