by fratax | Nov 21, 2019 | adv materials
Controlling broadband light in nanoscale volumes is a desired goal in nanophotonics. Metastructures tackle this problem by subwavelength nanostructured patterns. The current technology reaches footprints of 50 nm with plasmonic nanostructures. Scaling down these...
by fratax | Aug 11, 2019 | adv materials
Engineering broadband light absorbers is crucial to many applications, including energy-harvesting devices and optical interconnects. The performances of an ideal absorber are that of a black body, a dark material that absorbs radiation at all angles and...
by Arturo Burguete Lopez | Jun 9, 2019 | adv materials
Colloidal metal nanocrystals with strong, stable, and tunable localized surface plasmon resonances (SPRs) can be useful in a corrosive environment for many applications including field‐enhanced spectroscopies, plasmon‐mediated catalysis, etc. Here, a new synthetic...
by Arturo Burguete Lopez | Jun 9, 2019 | adv materials
Asymmetric nanocrystals have practical significance in nanotechnologies but present fundamental synthetic challenges. Thiol ligands have proven effective in breaking the symmetric growth of metallic nanocrystals but their exact roles in the synthesis remain elusive....
by Arturo Burguete Lopez | Jun 9, 2019 | adv materials
Taking inspiration from complex natural phenomena such as chaos and unpredictability, as well as highly optimized organisms constituted by multitudes of interacting cells, evolutionary photonics aims at developing new sustainable technologies for renewable energy...
by Arturo Burguete Lopez | Jun 6, 2019 | adv materials
Computer-generated holograms have wide applications in different fields of optics, ranging from imaging, to data storage and security. Current holograms have limited bandwidth and are generated via nanofabrication techniques that are difficult to scale up and in some...
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