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Author

Joo, Sang Hoon
Nanomaterials & Catalysis Lab
Research Interests
  • Catalyst, energy conversion, fuel cells, electrolyzer, ORR, HER, OER

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Synthesis of boron and nitrogen co-doped graphene nano-platelets using a two-step solution process and catalytic properties for oxygen reduction reaction

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Title
Synthesis of boron and nitrogen co-doped graphene nano-platelets using a two-step solution process and catalytic properties for oxygen reduction reaction
Author
Han, JongwooCheon, Jae YeongJoo, Sang HoonPark, Sungjin
Keywords
Catalysis; Doped graphene; Fuel cell; Nanomaterials; Oxygen reduction
Issue Date
201407
Publisher
ELSEVIER SCIENCE BV
Citation
SOLID STATE SCIENCES, v.33, no., pp.1 - 5
Abstract
Chemically modified graphenes (CMGs) show great promise for various applications owing to the feasibility of their low-cost mass production and good solution processability. Recently, hetero-atom-doped CMGs have been suggested as good candidate materials for electrochemical catalysts in oxygen reduction reaction (ORR). In this study, we synthesized B, N co-doped graphene nano-platelets (BN-rG-O) using a two-step solution process with sequential reaction of graphene oxide with borane tetrahydrofuran and hydrazine monohydrate. In the ORR measured in a basic medium (0.1 M KOH), BN-rG-O exhibits an onset potential of 0.81 V (vs. reversible hydrogen electrode), follows near four electron pathway, and shows excellent stability against methanol poisoning and during durability tests.
URI
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DOI
http://dx.doi.org/10.1016/j.solidstatesciences.2014.04.002
ISSN
1293-2558
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