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|Title:||Synthesis of low-density, carbon-doped, porous hexagonal boron nitride solids|
Tiwary, C. S.
Galvao, D. S.
Ajayan, P. M.
|Abstract:||Here, we report the scalable synthesis and characterization of low-density, porous, three-dimensional (3D) solids consisting of two-dimensional (2D) hexagonal boron nitride (h-BN) sheets. The structures are synthesized using bottom-up, low-temperature (similar to 300 degrees C), solid-state reaction of melamine and boric acid giving rise to porous and mechanically stable interconnected h-BN layers. A layered 3D structure forms due to the formation of h-BN, and significant improvements in the mechanical properties were observed over a range of temperatures, compared to graphene oxide or reduced graphene oxide foams. A theoretical model based on Density Functional Theory (DFT) is proposed for the formation of h-BN architectures. The material shows excellent, recyclable absorption capacity for oils and organic solvents.|
|Subject:||Nitreto de boro hexagonal|
Teoria do funcional de densidade
|Editor:||American Chemical Society|
|Citation:||Synthesis Of Low-density, Carbon-doped, Porous Hexagonal Boron Nitride Solids. Amer Chemical Soc, v. 9, p. 12088-12095 DEC-2015.|
|Appears in Collections:||IFGW - Artigos e Outros Documentos|
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