We investigate quantum efficiency (QE) enhancement via recycling of trapped excitons in energy-gradient of quantum dot solids using nonradiative energy transfer. The maximum QE increase of 17% is achieved when the donor-acceptor ratio is 1:1.
© 2010 The Optical Society
S. Nizamoglu, O. Akin, and H. V. Demir, "Quantum Efficiency Enhancement Optimization in Colloidal Semiconductor Quantum Dot Solids Using Nonradiative Energy Transfer," in Conference on Lasers and Electro-Optics 2010, OSA Technical Digest (CD) (Optical Society of America, 2010), paper CTuNN6.
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