Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 12, Pages 3683-3687Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201410053
Keywords
cation exchange; core-shell nanocrystals; doped nanocrystals; phosphine ligands; semiconductors
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Funding
- National Natural Science Foundation [21322105, 91123001, 51372025, 91323301]
- Research Fund for the Doctoral Program of Higher Education of China [2011101120016]
- Program for New Century Excellent Talents in University [NCET-11-0793]
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Phosphine-initiated cation exchange is a well-known inorganic chemistry reaction. In this work, different phosphines have been used to modulate the thermodynamic and kinetic parameters of the cation exchange reaction to synthesize complex semiconductor nanostructures. Besides preserving the original shape and size, phosphine-initiated cation exchange reactions show potential to precisely tune the crystallinity and composition of metal/semiconductor core-shell and doped nanocrystals. Furthermore, systematic studies on different phosphines and on the elementary reaction mechanisms have been performed.
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