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Learn about self-healing phones, the ultimate cell phone technology that will amaze you.
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Self-Healing phones: It's not as crazy as it sounds and it hardly ends there!
Wilfried Andral's curator insight,
August 4, 2014 5:20 AM
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Rescooped by THE OFFICIAL ANDREASCY from Complex Materials |
The drive to develop ultrasmall and ultrafast electronic devices using a single atomic layer of semiconductors, such as transition metal dichalcogenides, has received a significant boost. Researchers with the U.S. Department of Energy (DOE)’s Lawrence Berkeley National Laboratory (Berkeley Lab) have recorded the first observations of a strong nonlinear optical resonance along the edges of a single layer of molybdenum disulfide. The existence of these edge states is key to the use of molybdenum disulfide in nanoelectronics, as well as a catalyst for the hydrogen evolution reaction in fuel cells, desulfurization and other chemical reactions.
“We observed strong nonlinear optical resonances at the edges of a two-dimensional crystal of molybdenum disulfide” says Xiang Zhang, a faculty scientist with Berkeley Lab’s Materials Sciences Division who led this study. “These one-dimensional edge states are the result of electronic structure changes and may enable novel nanoelectronics and photonic devices. These edges have also long been suspected to be the active sites for the electrocatalytic hydrogen evolution reaction in energy applications. We also discovered extraordinary second harmonic light generation properties that may be used for the in situ monitoring of electronic changes and chemical reactions that occur at the one-dimensional atomic edges.”