Abstract
In this paper, owing to the electrostatic interaction between graphene and h-BN, a facile liquid phase exfoliation method was carried out to fabricate h-BN/graphene based van der Waals heterostructure nanocomposites without additional chemical cross-linkers. The physicochemical properties of as-prepared composites were characterized by several electron microscopic and spectroscopic measurements. The h-BN/graphene heterostructure composites were employed to use as the anodes of asymmetric supercapacitor, and exhibited exceptional capacitive performance due to their synergistic effects. It is expected that the as-prepared h-BN/graphene materials can boost scalable heterostructure electrodes in supercapacitors, and our liquid phase exfoliation method can be used for the construction of the other energy storage and electronics.
Highlights
Graphene, as one of the most important representative of 2D nanomaterials, has been a research hotspot in recent years (Kong et al, 2017)
The mixture was stirred to force the exfoliated Hexagonal Boron Nitride (h-BN) nanosheets entering into the graphene layers to form heterostructure through π-π accumulation
The morphology and structure of as-prepared graphene were characterized to verify the effectiveness of glycerol/urea liquid phase exfoliation system
Summary
As one of the most important representative of 2D nanomaterials, has been a research hotspot in recent years (Kong et al, 2017). The h-BN/graphene heterostructure materials with different mass ratios in application of supercapacitors is studied in detail.
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