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A Facile Approach for the Synthesis of Stable Amorphous Nanoscale Zero-Valent Iron Particles

Title
A Facile Approach for the Synthesis of Stable Amorphous Nanoscale Zero-Valent Iron Particles
Author
Hui, Kwan-San
Keywords
nanoscale zero-valent iron; stabilization; facile approach
Issue Date
2014-01
Publisher
KOREAN INST METALS MATERIALS, KIM BLDG 6TH FLOOR, SEOCHO-DAERO 56 GIL 38, SEOCHO-GU, SEOUL 137-881, SOUTH KOREA
Citation
ELECTRONIC MATERIALS LETTERS 권: 10 호: 1 페이지: 143-146
Abstract
Conventional methods for the preparation and stabilization of amorphous nanoscale zero-valent iron (NZVI) particles are complicated and costly. In this study, a facile and economic approach for synthesizing stable NZVI without the requirement of vacuum condition was explored. NZVI particles were simultaneously prepared and stabilized in non-deoxygenated aqueous solutions. Scanning electron microscopy, energy dispersive x-ray microanalysis (EDX), and x-ray photoelectron spectroscopy results showed that the as-prepared Fe-0 were uniform spherical particles with a diameter ranging from 50 nm to 100 urn and a similar to 5 nm thick oxide shell. The x-ray diffraction (XRD) patterns indicated that the main component of the particles was amorphous Fe-0. As confirmed via EDX and XRD analyses, the Fe-0 content in the stabilized NZVI particles was hardly changed after six months of storage in dry atmosphere.
URI
http://hdl.handle.net/20.500.11754/46680https://link.springer.com/article/10.1007%2Fs13391-013-2123-5
ISSN
1738-8090; 2093-6788
DOI
10.1007/s13391-013-2123-5
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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