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SUMMARY:Rational Build-up of Structural Complexity in Colloidal Semiconduc
 tor Nanostructures - Prof. Yinthai Chan\, National University of Singapore
DTSTART:20120925T133000Z
DTEND:20120925T143000Z
UID:TALK40130@talks.cam.ac.uk
CONTACT:Dr. Girish Lakhwani
DESCRIPTION:Wet-chemically synthesized semiconductor nanocrystals (NCs)\, 
 also known as colloidal quantum dots\, have in the past decade been extens
 ively exploited in applications as diverse as chemical sensing\, bio-imagi
 ng and solution processed optoelectronics due to their salient optical pro
 perties and chemical processability. Current synthetic efforts in the fiel
 d have been focused on integrating multiple material components within the
  same nanostructure in order to achieve multiple functionalities or derive
  unique optoelectronic properties that result from strong coupling interac
 tions between the different material components. While the idea of being a
 ble to synthesize a semiconductor NC of any arbitrary shape with a desired
  combination of physicochemical properties may seem far-fetched\, recent a
 dvances in the synthesis of semiconductor NCs suggest that such a notion m
 ay in fact be possible. In this talk I will describe efforts in our group\
 , as well as those of others\, to fabricate anisotropic semiconductor nano
 structures with a variety of nano-sized materials deposited at specific re
 gions of the semiconductor structure\, thus profoundly influencing its pro
 perties. I will attempt to show how the synthetic methods introduced by th
 ese efforts culminate in the systematic build-up of structurally complex s
 emiconductor NCs with unusual physical properties that can perhaps open up
  new avenues by way of applications. 
LOCATION:Kapitza Building Seminar Room\, Cavendish Laboratory\, Department
  of Physics
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