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Progress in the Light Emission of Colloidal Semiconductor Nanocrystals
Author(s) -
Gaponik Nikolai,
Hickey Stephen G.,
Dorfs Dirk,
Rogach Andrey L.,
Eychmüller Alexander
Publication year - 2010
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.200902006
Subject(s) - nanocrystal , materials science , nanotechnology , semiconductor , colloid , optoelectronics , chemical engineering , engineering
Some 25 years ago it was found that semiconductor nanocrystals emitted light. Since then tremendous progress has been made with respect to increasing the emission quantum yields, extending the spectral range that may be addressed, from the UV across to the near infrared, and improving the color purity. Here some major lines in these developments are reviewed, touching on milestones as well as on the principles of the most successful preparative approaches.