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

Cited 58 time in Web of Science Cited 56 time in Scopus
Authors
Shokouhimehr, Mohammadreza; Kim, Taeho; Jun, Samuel Woojoo; Shin, Kwangsoo; Jang, Youngjin; Kim, Byung Hyo; Kim, Jaeyun; Hyeon, Taeghwan
Issue Date
2014-04
Citation
Applied Catalysis A: General, Vol.476, pp.133-139
Keywords
Palladium nanoparticlesHeterogeneous catalysisMagnetic separationSuzuki cross-couplingReductionNanocompositeCarbon materials
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 Fe3O4 nanocrystals, can be used as an expandable platform to load versatile nanopartide 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. (C) 2014 Elsevier B.V. All rights reserved,
ISSN
0926-860X
URI
http://hdl.handle.net/10371/166131
DOI
https://doi.org/10.1016/j.apcata.2014.02.029
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Chemical Convergence for Energy and Environment (에너지환경 화학융합기술전공)Journal Papers (저널논문_에너지환경 화학융합기술전공)
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