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Wednesday, 05/03/2017 11:35:54 PM

Wednesday, May 03, 2017 11:35:54 PM

Post# of 10460

Naomi J. Halas, Rice Univ. (United States)

While graphene plasmonics has been well-studied in the IR, shifting the plasmon resonance of graphene to the visible region of the spectrum would require extremely small graphene structures with dimensions smaller than can be fabricated by the best currently available top-down fabrication methods. This is the length scale of polycyclic aromatic hydrocarbon (PAH) molecules, the picoscale versions of graphene. Charged PAH molecules can possess molecular plasmon resonances, where the addition of removal of one or more electrons leads to strong absorption features in the visible wavelength range. PAHs show outstanding potential as low-voltage electrochromic media for color-changing walls or windows.

Naomi Halas is the Stanley C. Moore Professor in Electrical Engineering at Rice University, and Director of the Smalley-Curl Institute. Halas is a pioneering researcher in plasmonics, creating the concept of the “tunable plasmon”. She pursues research in plasmonics and its applications in biomedicine, optoelectronics, chemical sensing, photocatalysis and sustainability.

http://spie.org/op/special-events/plenary-event?wt.mc_id=rop17ae




Tanja Cuk, Univ. of California, Berkeley (United States)

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