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Magnetically separable carbon nanocomposite catalysts for efficient nitroarene reduction and Suzuki reactions

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Title
Magnetically separable carbon nanocomposite catalysts for efficient nitroarene reduction and Suzuki reactions
Author(s)
Mohammadreza Shokouhimehr; Taeho Kim; Samuel Woojoo Jun; Kwangsoo Shin; Youngjin Jang; Byung Hyo Kim; Jaeyun Kim; Taeg Hwan Hyeon
Publication Date
2014-04
Journal
APPLIED CATALYSIS A-GENERAL, v.476, no., pp.133 - 139
Publisher
ELSEVIER SCIENCE BV
Abstract
Novel magnetically recyclable carbon nanocomposites were synthesized to support various nanocatalysts using a simple, economical and scalable method. The designed nanocomposites, which are composed of porous carbon and Fe 3O4 nanocrystals, can be used as an expandable platform to load versatile nanoparticle catalysts such as Pd and Pt. These nanocomposites with high surface area and permeable porous structure can contain abundant and accessible small-sized catalyst nanoparticles. These characteristics led to efficient catalytic reactions and enhanced catalytic activity, which were verified in selective reduction of nitroarenes and Suzuki cross-coupling reactions. The nanocomposite catalysts provided excellent catalytic activities to yield the desired products in short reaction time and mild reaction conditions. The catalysts could be easily separated from the reaction mixture by a magnet, and recycled five consecutive cycles in reduction of nitrobenzene and Suzuki cross-coupling of bromobenzene without losing significant activities. © 2014 Elsevier B.V.
URI
https://pr.ibs.re.kr/handle/8788114/1055
ISSN
0926-860X
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
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