2016
DOI: 10.1039/c6nr02211a
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Seeded preparation of ultrathin FeS2nanosheets from Fe3O4nanoparticles

Abstract: FeS2 nanomaterials with two-dimensional features hold great promise for electrochemical and photovoltaic applications. However, the preparation of ultrathin FeS2 nanosheets is still challenging because of the lack of a tailor-made approach. In this work, FeS2 nanosheets with a thickness of 2.1 nm are prepared through a Fe3O4-seeded approach. Uniform Fe3O4 nanoparticles are foremost synthesized via the standard method in organic media. The injection of a S solution leads to the replacement of O in Fe3O4 through… Show more

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Cited by 22 publications
(11 citation statements)
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“…Pyrite thin films have been fabricated directly (single step growth) by evaporating pyrite (FeS 2 ) or sulfur (S) and iron (Fe) as targets under vacuum. Secondly common method is two step growth of pyrite by sulfuration of pre‐deposited thin films of iron (Fe), iron(III) oxide or ferric oxide or hematite (Fe 2 O 3 ), ferroferric oxide or magnetite (Fe 3 O 4 ),, iron sulfide or troilite (FeS), or greigite (Fe 3 S 4 ) (Figure ).…”
Section: Pyrite Thin Films For Photovoltaicsmentioning
confidence: 99%
“…Pyrite thin films have been fabricated directly (single step growth) by evaporating pyrite (FeS 2 ) or sulfur (S) and iron (Fe) as targets under vacuum. Secondly common method is two step growth of pyrite by sulfuration of pre‐deposited thin films of iron (Fe), iron(III) oxide or ferric oxide or hematite (Fe 2 O 3 ), ferroferric oxide or magnetite (Fe 3 O 4 ),, iron sulfide or troilite (FeS), or greigite (Fe 3 S 4 ) (Figure ).…”
Section: Pyrite Thin Films For Photovoltaicsmentioning
confidence: 99%
“…7−13 Among these alternatives, FeS 2 with a theoretical capacity of 890 mAh g −1 arising from four-electron reaction has attracted considerable interests. 14,15 Normally, there are two different polymorphs for FeS 2 , pyrite (p-FeS 2 ), and marcasite (m-FeS 2 ). p-FeS 2 belongs to the cubic crystal structure with Pa3̅ space group, while m-FeS 2 possesses the orthorhombic one with space group of Pnnm.…”
Section: Introductionmentioning
confidence: 99%
“…Figure 5d and e shows the lattice fringe spacings of 0.25, 0.20, 0.19, 0.18, and 0.17 nm belonging to the sample after subjected to the OER. Apart from the spacings of 0.25, 0.20, and 0.17 nm mentioned above, the additional spacing of 0.19 nm probably points to the NiS (102) or pyrite FeS 2 (220) [32] plane, and 0.18 nm to the NiS (131) plane.…”
Section: Resultsmentioning
confidence: 84%