Title :
Quantum efficiency enhancement optimization in colloidal semiconductor quantum dot solids using nonradiative energy transfer
Author :
Nizamoglu, Sedat ; Akin, Onur ; Demir, Hilmi Volkan
Author_Institution :
Dept. of Electr. & Electron. Eng., Bilkent Univ., Ankara, Turkey
Abstract :
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.
Keywords :
Energy exchange; Excitons; Light emitting diodes; Nanotechnology; Optical films; Optical pumping; Quantum dots; Recycling; Solids; Stimulated emission;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
