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DTSTART:20070311T020000
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DTSTART:20071104T020000
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UID:17a89404-c2e3-4f7a-922b-4c95a70df6c4.234186@calendar.missouristate.edu
CREATED:20240205T145958Z
LAST-MODIFIED:20240205T145958Z
LOCATION:Kemper Hall 204
SUMMARY:PAMS Seminar: "Novel Physical Phenomena in Nano-arrays and Nanostr
 uctures" by Dr. Rana Biswas
DESCRIPTION:Dr. Rana BiswasIowa State UniversityAmes National Laboratory\n
 \n\nAbstract:\n\n\nNanostructures and nano-arrays with spatial periods ne
 ar optical wavelengths offer a platform to control light-matter interacti
 ons\, that can lead to novel phenomena in nanoplasmonics\, nanophotonics\
 , and quantum information science. We describe gold-coated nanoarrays\, t
 hat show unusual extraordinary optical transmission phenomena. Quantum do
 ts embedded within the nanocup arrays show a radiative decay rate that is
  enhanced by as much as a factor of 20\, from the interaction of the stro
 ng optical field of the nano-array with the luminescent quantum dot. We d
 escribe how nano-arrays can enhance the light-outcoupling from organic li
 ght-emitting diodes\, through diffractive effects. We describe insulating
  nano-arrays formed by replica-molding on elastomeric substrates that exh
 ibit unusual surface electric potential distributions\, that are formed b
 y intricate nanoscale patterns of surface tribocharge. Experimental work 
 combined with computational simulations in these applications will be dis
 cussed.
X-ALT-DESC;FMTTYPE=text/html:&lt;html&gt;&lt;head&gt;&lt;title&gt;&lt;/title&gt;&lt;/head&gt;&lt;body&gt;&lt;p&gt;&lt;b
 &gt;Dr. Rana Biswas&lt;/b&gt;&lt;br&gt;&lt;strong&gt;Iowa State University&lt;/strong&gt;&lt;br&gt;&lt;strong
 &gt;Ames National Laboratory&lt;/strong&gt;&lt;/p&gt;\n&lt;p&gt;Abstract:&lt;/p&gt;\n&lt;p&gt;Nanostructur
 es and nano-arrays with spatial periods near optical wavelengths offer a 
 platform to control light-matter interactions\, that can lead to novel ph
 enomena in nanoplasmonics\, nanophotonics\, and quantum information scien
 ce. We describe gold-coated nanoarrays\, that show unusual extraordinary 
 optical transmission phenomena. Quantum dots embedded within the nanocup 
 arrays show a radiative decay rate that is enhanced by as much as a facto
 r of 20\, from the interaction of the strong optical field of the nano-ar
 ray with the luminescent quantum dot. We describe how nano-arrays can enh
 ance the light-outcoupling from organic light-emitting diodes\, through d
 iffractive effects. We describe insulating nano-arrays formed by replica-
 molding on elastomeric substrates that exhibit unusual surface electric p
 otential distributions\, that are formed by intricate nanoscale patterns 
 of surface tribocharge. Experimental work combined with computational sim
 ulations in these applications will be discussed.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;
DTSTART;TZID=America/Chicago:20240222T160000
DTEND;TZID=America/Chicago:20240222T170000
SEQUENCE:0
URL:https://physics.missouristate.edu/seminars.htm
CATEGORIES:Public,Alumni,Current Students,Faculty,Future Students,Staff
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