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Received November 2, 2013
Accepted December 12, 2013
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Preparation of Al@Fe2O3 Core-Shell Composites Using Amphiphilic Graft Copolymer Template
Department of Chemical and Biomolecular Engineering, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, Korea 1The 4th R&D Institute 2nd Directorate, Agency for Defense and Development (ADD), South Korea
Korean Chemical Engineering Research, April 2014, 52(2), 209-213(5), 10.9713/kcer.2014.52.2.209 Epub 1 April 2014
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Abstract
A graft copolymer of poly(vinyl chloride)-g-poly(oxyethylene methacrylate) (PVC-g-POEM) was synthesized via atom transfer radical polymerization (ATRP) and used as a structure-directing agent to prepare Al@Fe2O3 core-shell nanocomposites through a sol-gel process. The amphiphilic property of PVC-g-POEM allows for good dispersion of Al particles and leads to specific interaction with iron ethoxide, a precursor of Fe2O3. Secondary bonding interaction in the sol-gel composites was characterized by Fourier transform-infrared (FT-IR) spectroscopy. The wellorganized morphology of Al@Fe2O3 core-shell nanocomposites was observed using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Energy dispersive X-ray (EDX) and X-ray diffraction (XRD) were used to analyze the elemental composition and crystallization structure of the composites.
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Chae IS, Kang SW, Park JY, Lee YG, Lee JH, Won J, Kang YS, Angew. Chem. Int. Ed., 50, 2982 (2011)
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Fabbri P, Ghahari M, Pilati F, Egadzadeh T, Aghababazadeh R, Ghasem K, Mater. Lett., 64, 2265 (2010)
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Tillotson TM, Gash AE, Simpson RL, Hrubesh LW, Satcher Jr.J H, Poco JF, J. Non-Cryst. Solids., 285, 338 (2001)
Menon L, Patibandla S, Bhargava Ram K, Shkuratov SI, D. Aurongzeb, Holtz M, Berg J, Yun J, Temkin H, Appl. Phys. Lett., 84, 4735 (2004)
Zhang KL, Rossi C, Ardila Rodriguez GA, Tenailleau C, Alphonse P, “Development of a Nano-Al=CuO Based Energetic Material on Silicon Substrate,” Appl. Phys. Lett., 91, 113117-113117- 3 (2007)
Xu DG, Yang Y, Cheng H, Li YY, Zhang KL, Combust. Flame, 159(6), 2202 (2012)
Ahn SH, Koh JH, Seo JA, Kim JH, Chem. Commun., 46, 1935 (2010)
Ahn SH, Park JT, Koh JK, Roh DK, Kim JH, Chem. Commun., 47, 5882 (2011)
Ahn SH, Chi WS, Park JT, Koh JK, Roh DK, Kim JH, Adv. Mater., 24(4), 519 (2012)
Ahn SH, Chi WS, Kim DJ, Heo SY, Kim JH, Adv. Funct. Mater., 23, 3901 (2013)
Kim JH, Min BR, Kim CK, Won J, Kang YS, J. Phys. Chem. B, 106(10), 2786 (2002)
Park JT, Koh JH, Koh JK, Kim JH, Appl. Surf. Sci., 255(6), 3739 (2009)
