Morphology Control in the Hydrothermal Synthesis of FeS Nanoplatelets

Melonie P. Thomas; Ahamed Ullah; Rose H. Pham; Honore Djieutedjeu; John P. Selegue; Beth S. Guiton

doi:10.1021/acs.cgd.0c00059

Morphology Control in the Hydrothermal Synthesis of FeS Nanoplatelets

Melonie P. Thomas, Ahamed Ullah, Rose H. Pham, Honore Djieutedjeu, John P. Selegue, Beth S. Guiton

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

FeS nanoplatelets were synthesized using a surfactant-assisted hydrothermal synthesis. The product is highly crystalline and has a preferred growth direction with a [001] plate normal. The platelet diagonal, thickness, and shape can be controlled by varying the iron starting material or the surfactant employed in the synthesis. The diagonal and thickness of the nanoplatelets were found to reduce by factors of up to 22 and 8×, respectively, when an Fe(II)-containing iron source-rather than Fe(III)-was employed in the synthesis. Specific combinations of the surfactant and the iron source were seen to determine the platelet shape, resulting in rectangular, polygonal, and shard-like shapes.

Original language	English
Pages (from-to)	5728-5735
Number of pages	8
Journal	Crystal Growth and Design
Volume	20
Issue number	9
DOIs	https://doi.org/10.1021/acs.cgd.0c00059
State	Published - Sep 2 2020

Bibliographical note

Funding Information:
We thank Andrew M. Schlereth for contributing to the experimental design and material synthesis. STEM and EDS characterizations were conducted at the Center for Nanophase Materials Sciences, which is a DOE Office of Science user facility. PXRD experiments and Rietveld refinements of the data were performed at the Kentucky Geological Survey (University of Kentucky). SEM and XPS characterizations were conducted at the electron microscopy center (EMC), which belongs to the National Science Foundation NNCI Kentucky Multiscale Manufacturing and Nano Integration Node, supported by ECCS-1542174.

Funding Information:
This work was supported by the National Science Foundation under DMR 1455154 (M.P.T. and B.S.G.) and OIA 1355438 (partial salary support for M.P.T.). Partial salary support was provided by NASA Kentucky under NASA Award no. NN15AK28A (M.P.T.) and by the Research Corporation for Science Advancement via Scialog Award no. 26329 (A.U.).

Publisher Copyright:
Copyright © 2020 American Chemical Society.

ASJC Scopus subject areas

Chemistry (all)
Materials Science (all)
Condensed Matter Physics

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abstract = "FeS nanoplatelets were synthesized using a surfactant-assisted hydrothermal synthesis. The product is highly crystalline and has a preferred growth direction with a [001] plate normal. The platelet diagonal, thickness, and shape can be controlled by varying the iron starting material or the surfactant employed in the synthesis. The diagonal and thickness of the nanoplatelets were found to reduce by factors of up to 22 and 8×, respectively, when an Fe(II)-containing iron source-rather than Fe(III)-was employed in the synthesis. Specific combinations of the surfactant and the iron source were seen to determine the platelet shape, resulting in rectangular, polygonal, and shard-like shapes.",

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Morphology Control in the Hydrothermal Synthesis of FeS Nanoplatelets

Abstract

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