期刊
NANOTECHNOLOGY
卷 29, 期 34, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/aac9ae
关键词
synergic effect; hydrogen evolution reaction; boron-doped graphene; graphite carbon nitride
Metal-free carbon materials, with tuned surface chemical and electronic properties, hold great potential for the hydrogen evolution reaction (HER). We designed and synthesized a CN/BG hybrid electrocatalytic system with a porous and active graphite carbon nitride (CN) layer on boron-doped graphene (BG). A porous CN layer on graphene could provide exposed defects and edges that act as active sites for proton adsorption and reduction. The composition, structure, surface electronics, and chemical properties of this CN/BG hybrid system were tuned to obtain excellent HER activity and stability. Detailed surface chemical, morphological, and structural analyses demonstrated the synergetic effect arising from the electronic interaction between CN and BG, which contributed to the enhanced electrocatalytic performances.
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