boron
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Nanotechnology
Overcoming the stacking constraints of hexagonal boron nitride via metal organic chemical vapor deposition.
Transmission electron microscope (STEM) images and schematic diagrams of the conventional AA’ stack HBN and AA stack HBN synthesized in this study. Credit:Postech Researchers at Pohan University of Science and Technology (Postech) and the University of Montpellier have synthesized wafer-scale hexagonal boron nitride (HBN) that exhibits an AA stacking structure, a crystal structure previously considered impossible. This achievement is achieved…
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Chemistry
Ceramic catalyst uses sodium and boron to drive sustainable industrial reactions
The polymer-derived ceramic method uses transition metal-free, sodium-doped, amorphous SiBN ceramics composed of silicon (Si), boron (B), and nitrogen (N) atoms for small molecule activation and catalysis. was adopted to design and synthesize. The distribution of sodium (Na+) and B sites within amorphous silicon nitride enhances the reactivity of both B and N sites, leading to the formation of frustrated…
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