AI Article Synopsis
- Researchers developed a scalable method to create low-density, porous 3D structures from 2D hexagonal boron nitride (h-BN) sheets using a solid-state reaction of melamine and boric acid at around 300 °C.
- The resulting interconnected h-BN layers exhibit enhanced mechanical properties across various temperatures, outperforming graphene oxide and reduced graphene oxide foams.
- A theoretical model using Density Functional Theory (DFT) was proposed to explain the h-BN structure, which also demonstrates a strong ability to absorb oils and organic solvents, making it recyclable.
Article 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 (∼300 °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.
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| http://dx.doi.org/10.1021/acsnano.5b05847 | DOI Listing |
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