Facile synthesis of Fe<sub>3</sub>S<sub>4</sub>hollow spheres with high-performance for lithium-ion batteries and water treatment

Zheng, Jun; Cao, Yong; Cheng, Chao; Chen, Cheng; Yan, Rusen; Huai, Hai-Xia; Dong, Quanfeng; Zheng, Mingsen; Chun-chang, Wang

doi:10.1039/c4ta05148c

Cited by 42 publications

(22 citation statements)

References 57 publications

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“…The SAED pattern of FS 60 (as shown in Figure S6a) confirmed its good crystallinity. The diffraction rings corresponding to the (311), (400), (422), (440) and (444) crystal planes of Fe 3 S 4 were found to be present in the SAED pattern . The presence of above mentioned crystallographic planes in FS 60 was previously confirmed from the XRD pattern.…”

Section: Resultssupporting

confidence: 55%

“…The diffraction rings corresponding to the (311), (400), (422), (440) and (444) crystal planes of Fe 3 S 4 were found to be present in the SAED pattern. [35][36] The presence of above mentioned crystallographic planes in FS 60 was previously confirmed from the XRD pattern. Diffraction rings corresponding to (311), (400), (422), (440) planes were observed in the SAED pattern of FS 80.…”

Section: Resultsmentioning

confidence: 54%

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Effect of the Solvent Ratio (Ethylene Glycol/Water) on the Preparation of an Iron Sulfide Electrocatalyst and Its Activity towards Overall Water Splitting

et al. 2019

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The polyol method is an efficient procedure for metal sulfide preparation where polyol not only acts as a solvent but also as reducing and morphology‐modulating agent. Herein, iron sulfide particles were prepared via a modified polyol method by changing the ethylene glycol (EG) : water (H2O) ratio in the mixed solvent. Analytical techniques and electronic microscopy studies confirmed that the change in EG : H2O ratio modulated the crystal structure, morphology, and electronic structure of the prepared iron sulfide particles. The electrocatalytic activity of iron sulfide changed owing to these modulations. EG helped in the formation of a sheet‐like structure – a morphology that favours a higher accessibility to the catalytically active sites. As evidenced form electrochemical impedance studies, an increased electron density near the Fermi level, a faster substrate adsorption‐desorption rate at the active sites, and a faster charge transfer at the electrode‐electrolyte interface were the key factors for the amplification in catalytic activity. The prepared iron sulfide particles showed an overall water splitting efficiency that is comparable to that of the state‐of‐the‐art RuO2‐Pt/C couple in alkaline medium. This study shows the potential of the polyol method in the preparation and catalytic‐activity modulation of Fe−S‐based electrocatalysts.

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Section: Resultssupporting

confidence: 55%

Section: Resultsmentioning

confidence: 54%

Effect of the Solvent Ratio (Ethylene Glycol/Water) on the Preparation of an Iron Sulfide Electrocatalyst and Its Activity towards Overall Water Splitting

et al. 2019

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“…The surface β-CD with hydroxyl groups may partially be responsible for the enhanced adsorption performance. 38 The as-prepared nanoparticles showed a considerably higher adsorption capacity for Pb (II), in comparison to previous reported adsorbents, such as Fe 3 S 4 hollow spheres (92.1 mg g -1 ), 26 Fe 3 O 4 /cyclodextrin polymer nanocomposites (64.5 mg g -1 ), 39 MWCNTs/Fe 3 O 4 nanocomposites (41.77 mg g -1 ), 40 and MWCNTs/ iron oxides/CD nanostructures (12.29 mg g -1 ). 8 These results indicated that the β-CD stabilized Fe 3 S 4 could be a prospective adsorbent for Pb (II) removal in contaminated water due to its easyseparation and efficient-adsorption.…”

Section: Wherementioning

confidence: 87%

β-Cyclodextrin stabilized magnetic Fe₃S₄ nanoparticles for efficient removal of Pb(ii)

Kong

Yan

et al. 2015

J. Mater. Chem. A

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In this study, the magnetic β-cyclodextrins stabilized Fe3S4 nanoparticles (CD-Fe3S4) were fabricated via a facile one-step route. The as-prepared CD-Fe3S4 exhibited a high Pb (II) adsorption capacity of 256 mg g -1 , and it also showed a surprisingly efficient adsorption toward Zn (II), Cd (II), and Cu (II). XRD, FTIR and XPS analyses suggested that the mechanisms governing Pb (II) removal by CD-Fe3S4 were precipitation (formation of galena) and surface adsorption. Additionally, the magnetic property of the synthesized Fe3S4 nanoparticles allows the fast separation of sorbents from water. The sorption kinetic data was well-described by a pseudo-second-order model, whereas the adsorption isotherms followed a Langmuir isotherm mode. Our experimental results proved that the β-cyclodextrins stabilized Fe3S4 could be a promising candidate for the removal of Pb (II) from water via simultaneously taking advantage of its magnetic property and high affinity for heavy metals.

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“…It is reported that a simple method for preparing nanostructured Fe 3 S 4 with controlled hollow spheres was developed. The as‐prepared Fe 3 S 4 exhibits highly reversible capacity of 750 mA h g −1 over 100 cycles at a current density of 0.2 A g −1 . However, large‐scale applications of these novel anode materials are still challenging …”

Section: Introductionmentioning

confidence: 99%

“…The as-prepared Fe 3 S 4 exhibits highly reversible capacity of 750 mA h g À 1 over 100 cycles at a current density of 0.2 A g À 1 . [8] However, large-scale applications of these novel anode materials are still challenging. [9,10] To settle the aforesaid troubles, a lot of research have been in progress.…”

Section: Introductionmentioning

confidence: 99%

In Situ Derivatization for Boosted Lithium Storage Performance of Fe₇S₈/C Hollow Nanospheres

et al. 2019

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In this paper, Fe3O4 nanoparticles (Fe3O4 NPs) with an average diameter of 10 nm were grown in situ on the shell of hollow mesoporous carbon nanospheres (HMCNs) to form a new type of sesame balls‐like Fe3O4/C hollow nanospheres (HNSs) by thermal decomposition. After vulcanization and phosphating, Fe3O4/C HNSs are transformed into Fe7S8/C HNSs and Fe(PO3)2/Fe2O3/C HNSs, respectively. Compared with Fe3O4/C HNSs and Fe(PO3)2/Fe2O3/C HNSs, Fe7S8/C HNSs display good cycling stability as anode material for lithium ion batteries. When the current density is 1 A g−1, the reversible specific capacity of Fe7S8/C HNSs is 1006 mA h g−1 after 250 cycles. The rate performance and electrochemical properties of Fe7S8/C HNSs are significantly improved. Research shows that the capacitive behavior plays a major role in specific capacity contribution of Fe7S8/C HNSs electrode. The anchoring of Fe7S8 NPs on the shell of HMCNs avoids the aggregation of Fe7S8 NPs, promote the conductivity of composite and boost the delivery of electrons. This idea and expedient method of construction can be broadened to synthesize other hollow nanostructured material with preferable electrochemistry performance.

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Facile synthesis of Fe₃S₄hollow spheres with high-performance for lithium-ion batteries and water treatment

Cited by 42 publications

References 57 publications

Effect of the Solvent Ratio (Ethylene Glycol/Water) on the Preparation of an Iron Sulfide Electrocatalyst and Its Activity towards Overall Water Splitting

Effect of the Solvent Ratio (Ethylene Glycol/Water) on the Preparation of an Iron Sulfide Electrocatalyst and Its Activity towards Overall Water Splitting

β-Cyclodextrin stabilized magnetic Fe₃S₄ nanoparticles for efficient removal of Pb(ii)

In Situ Derivatization for Boosted Lithium Storage Performance of Fe₇S₈/C Hollow Nanospheres

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Facile synthesis of Fe3S4hollow spheres with high-performance for lithium-ion batteries and water treatment

Cited by 42 publications

References 57 publications

Effect of the Solvent Ratio (Ethylene Glycol/Water) on the Preparation of an Iron Sulfide Electrocatalyst and Its Activity towards Overall Water Splitting

Effect of the Solvent Ratio (Ethylene Glycol/Water) on the Preparation of an Iron Sulfide Electrocatalyst and Its Activity towards Overall Water Splitting

β-Cyclodextrin stabilized magnetic Fe3S4 nanoparticles for efficient removal of Pb(ii)

In Situ Derivatization for Boosted Lithium Storage Performance of Fe7S8/C Hollow Nanospheres

Contact Info

Product

Resources

About

Facile synthesis of Fe₃S₄hollow spheres with high-performance for lithium-ion batteries and water treatment

β-Cyclodextrin stabilized magnetic Fe₃S₄ nanoparticles for efficient removal of Pb(ii)

In Situ Derivatization for Boosted Lithium Storage Performance of Fe₇S₈/C Hollow Nanospheres