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Publications

Prof. Zonghoon Lee’s Atomic-Scale Electron Microscopy Lab

Publications

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Publications in Nature | Science | their sister journals


Nature, 582, 511-514, 2020 / Nature Nanotechnology, 15, 289-295, 2020 / Nature Nanotechnology, 15, 59-66, 2020 / Science Advances, 6 (10), eaay4958, 2020 / Nature Electronics, 3, 207-215, 2020 / Nature Communications, 11 (1437), 2020 / Nature Energy, 3, 773-782, 2018 / Nature Communications, 8:1549, 2017 / Nature Communications, 6:8294, 2015 / Nature Communications, 6:7817, 2015 / Nature Communications, 5:3383, 2014




Abstract


 Two-dimensional (2D) materials have been studied widely owing to their outstanding properties since monolayer graphene was isolated in 2004. Especially, among 2D materials, phosphorene, a single atomic layer of black phosphorus (BP), has been highlighted for its electrical properties. This material can serve as a substitute for graphene, which has been revealed as a “semi-metal”, in next-generation semiconductors. However, few-layer BP is prone to degradation under ambient conditions owing to its reactivity with oxygen and water, which results in the condensation of water droplets on the surface of the BP flakes. This causes charge transfer from the phosphorus atom to oxygen, resulting in the formation of phosphoric acid (oxide) and degrades the various properties of BP. Therefore, it is necessary to find passivation methods to prevent BP flakes from being degraded under ambient conditions. This review article deals with recent studies on passivation methods for BP and their performance against oxygen and water, effects on the electrical properties of BP, and the extent to how they protect BP.

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2011

Prior to Joining UNIST, 2011

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