Synthesis of vertical MnO2 wire arrays on hemp-derived carbon for efficient and robust green catalysts

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Three-dimensional (3D) carbon materials derived from waste biomass have been attracted increasing attention in catalysis and materials science because of their great potential of catalyst supports with respect to multi-functionality, unique structures, high surface area, and low cost. Here, we present a facile and efficient way for preparing 3D heterogeneous catalysts based on vertical MnO2 wires deposited on hemp-derived 3D porous carbon. The 3D porous carbon materials are fabricated by carbonization and activation processes using hemp (Cannabis Sttiva L). These 3D porous carbon materials are employed as catalyst supports for direct deposition of vertical MnO2 wires using a one-step hydrothermal method. The XRD and XPS results reveal the crystalline structure of alpha-MnO2 wires. The resultant composites are further employed as a catalyst for glycolysis of poly(ethylene terephthalate) (PET) with high conversion yield of 98%, which is expected to be expressly profitable for plastics recycling industry. (C) 2017 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2017-06
Language
English
Article Type
Article
Keywords

MANGANESE OXIDE; ACTIVATED CARBONS; WASTE BIOMASS; OXIDATION; GLYCOLYSIS; GRAPHENE; POLY(ETHYLENE-TEREPHTHALATE); SUPERCAPACITORS; NANOSTRUCTURES; NANOCOMPOSITE

Citation

APPLIED SURFACE SCIENCE, v.407, pp.540 - 545

ISSN
0169-4332
DOI
10.1016/j.apsusc.2017.02.219
URI
http://hdl.handle.net/10203/223766
Appears in Collection
CBE-Journal Papers(저널논문)
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