Colloidal quantum dot based light emitting devices on silicon substrate
Khadka, Shiul
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https://hdl.handle.net/2142/46745
Description
Title
Colloidal quantum dot based light emitting devices on silicon substrate
Author(s)
Khadka, Shiul
Issue Date
2014-01-16T18:00:59Z
Director of Research (if dissertation) or Advisor (if thesis)
Coleman, Ann Catrina
Department of Study
Electrical & Computer Eng
Discipline
Electrical & Computer Engr
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
colloidal quantum dot (QD)
photonics
Light emitting diodes (LEDs)
Abstract
Light sources based on silicon have been the subject of interest for many years. Silicon
would not only provide high volume manufacturing for commercialization but also allow
complementary metal oxide semiconductor (CMOS) compatibility enabling integration of
light sources within CMOS circuitry. Colloidal semiconductor nanocrystals have narrow
emission spectra which makes them an excellent choice for active media in optoelectronic
applications. Moreover, solution processability of colloidal quantum dots makes processing
and integration on the silicon platform easier. This thesis discusses the design and fabrication
of colloidal quantum dot based light-emitting devices using inorganic materials on a silicon
platform for visible wavelengths. The results demonstrate the ability to integrate colloidal
quantum dots on silicon which would allow the development of compact light sources for
optical communication.
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