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Electrochemical and electrocatalytic reaction characteristics of boron-incorporated graphene: Via a simple spin-on dopant process

Title
Electrochemical and electrocatalytic reaction characteristics of boron-incorporated graphene: Via a simple spin-on dopant process
Author(s)
Jang, A-RangLee, Young-WooLee, Sang-SeokHong, JohnBaek, Seong-HoPak, SangyeonLee, JuwonShin, Hyeon SukAhn, DocheonHong, Woong-KiCha, SeungNamSohn, Jung InnPark, Il-Kyu
Issued Date
2018-05
Citation
Journal of Materials Chemistry A, v.6, no.17, pp.7351 - 7356
Type
Article
Keywords
OXYGEN REDUCTION REACTIONNITROGEN-DOPED GRAPHENECATHODE CATALYSTSUPERCAPACITORSCARBONNANOPLATELETSPERFORMANCEELECTRODESINTERLAYEROXIDE
ISSN
2050-7488
Abstract
Chemical doping is one of the most effective methods to tune the electrochemical properties of graphene. We report a simple and relatively low-temperature process for the fabrication of boron doped graphene by using a spin-on dopant (SOD) method. SOD-treated graphene was successfully doped with boron atoms at a temperature lower than 600 °C. The fabricated boron doped graphene exhibits a specific capacitance of 4 mF cm-2, as well as a high-rate performance of 91.9% at 200 mV s-1 as an electrode material for pseudocapacitors. It also shows excellent oxygen reduction activity and durability with a current retention of 91.4% and methanol-tolerance properties. These features are beneficial for catalyst applications in the oxygen reduction reaction due to well-engineered boron sites with high electrical conductivity and many active sites for electrochemical reactions. © 2018 The Royal Society of Chemistry.
URI
http://hdl.handle.net/20.500.11750/6406
DOI
10.1039/c7ta09517a
Publisher
Royal Society of Chemistry
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Appears in Collections:
Division of Energy & Environmental Technology 1. Journal Articles

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