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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| Institution: | 1. Department of Chemistry and Chemical Engineering, Inha University, 100 Inha-ro, Nam-gu, Incheon 402-751, Republic of Korea;2. Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 689-798, Republic of Korea;3. School of Energy and Chemical Engineering and KIER-UNIST Advanced Center for Energy, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 689-798, Republic of Korea;1. CSIR-Network Institute for Solar Energy (CSIR-NISE), Glass Science and Technology Section, Glass Division, CSIR-Central Glass and Ceramic Research Institute, 196 Raja S. C. Mullick Road, Kolkata 700 032, India;2. Department of Chemical Technology, Calcutta University, 92 A. P. C. Road, Kolkata 700 009, India;1. Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-Gu, Seoul 03722, South Korea;2. Department of Textile Convergence of Biotechnology and Nanotechnology, Korea Institute of Industrial Technology, 1271-18 Sa 3-dong, Sangnok-gu, Ansan-Si, Gyeonggi-Do 426-910, South Korea;1. WCSL(World Class Smart Lab) Green Energy Battery Lab., Department of Chemistry and Chemical Engineering, Inha University, 100 Inha-ro, Nam-gu, Incheon 22212, Republic of Korea;2. Department of Chemistry and Chemical Engineering, Inha University, 100 Inha-ro, Nam-gu, Incheon 22212, Republic of Korea;1. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China;2. Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, PR China;3. NUS Environmental Research Institute, National University of Singapore, 1 Create Way, Singapore, 138602, Singapore |
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| 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. |
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| Keywords: | Nanomaterials Doped graphene Catalysis Oxygen reduction Fuel cell |
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