Electrochemical and electrocatalytic reaction characteristics of boron-incorporated graphene via a simple spin-on dopant process
- Authors
- Jang, A-Rang; Lee, Young-Woo; Lee, Sang-Seok; Hong, John; Beak, Seong-Ho; Pak, Sangyeon; Lee, Juwon; Shin, Hyeon Suk; Ahn, Docheon; Hong, Woong-Ki; Cha, SeungNam; Sohn, Jung Inn; Park, Il-Kyu
- Issue Date
- 7-May-2018
- Publisher
- Royal Society of Chemistry
- Keywords
- Electrochemical and electrocatalytic reaction characteristics of boron-incorporated graphene via a simple spin-on dopant process
- Citation
- Journal of Materials Chemistry A, v.6, no.17, pp 7351 - 7356
- Pages
- 6
- Journal Title
- Journal of Materials Chemistry A
- Volume
- 6
- Number
- 17
- Start Page
- 7351
- End Page
- 7356
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/5973
- DOI
- 10.1039/c7ta09517a
- ISSN
- 2050-7488
2050-7496
- 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 degrees 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 pseudo-capacitors. 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.
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