Monolayered boron nitride (BN) quantum dots (QDs; lateral size ≈10 nm) are fabricated using a novel method. Unlike monolayered BN sheets, these BN QDs exhibit blue-green luminescence due to defects formed during preparation. This optical behavior adds significant functionality to a material that is already receiving much attention. It is further shown that the QDs are nontoxic to biological cells and well suited to bio-imaging.
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15 Jul 13:23
Fabrication and Luminescence of Monolayered Boron Nitride Quantum Dots
by Liangxu Lin, Yaoxian Xu, Shaowei Zhang, Ian M. Ross, Albert C. M. Ong, Dan A. Allwood
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