Helping them shine | Nature Nanotechnology

Access through your institution Buy or subscribe _Nano Lett._ http://doi.org/w7k (2014) Unlike graphene, single-layer metal dichalcogenides exhibit an electronic bandgap, which is essential

for the realization of electronic devices. Furthermore, because of the bandgap, the interaction of electrons and holes with an electromagnetic field leads to optical absorption and

photoluminescence emission, thus, these 2D semiconductors could, in principle, be used in optoelectronic devices such as light-emitting diodes and lasers. A disadvantage of being only one

atom thick is, however, that the emission and absorption efficiencies are very low. Stefan Schwarz and colleagues in the UK and Russia have now shown that the photoluminescence emission can

be enhanced considerably by placing thin films of metal dichalcogenides in properly designed optical cavities. This is a preview of subscription content, access via your institution ACCESS

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institutional subscriptions * Read our FAQs * Contact customer support Authors * Fabio Pulizzi View author publications You can also search for this author inPubMed Google Scholar RIGHTS AND

PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Pulizzi, F. Helping them shine. _Nature Nanotech_ (2014). https://doi.org/10.1038/nnano.2014.304 Download citation

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