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Synthetic Scheme for High‐Quality InAs Nanocrystals Based on Self‐Focusing and One‐Pot Synthesis of InAs‐Based Core–Shell Nanocrystals
Author(s) -
Xie Renguo,
Peng Xiaogang
Publication year - 2008
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200802867
Subject(s) - nanocrystal , materials science , quantum dot , core (optical fiber) , shell (structure) , nanotechnology , composite material
Paint by number : High‐quality InAs quantum dots (QDs) for near‐IR fluorescence (see picture) were synthesized by exploiting interparticle diffusion and self‐focusing instead of using the traditional focusing of size distribution. InAs/CdSe core–shell QDs were grown and analyzed by a technique combining TEM and elemental analysis to determine the sizes and molar extinction coefficients of the extremely small InAs particles.