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Robust, Non‐Cytotoxic, Silica‐Coated CdSe Quantum Dots with Efficient Photoluminescence
Author(s) -
Selvan S. T.,
Tan T. T.,
Ying J. Y.
Publication year - 2005
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200401960
Subject(s) - quantum dot , materials science , photoluminescence , microemulsion , nanotechnology , water soluble , optoelectronics , chemical engineering , organic chemistry , chemistry , pulmonary surfactant , engineering
Water‐soluble quantum dots (QDs) have been prepared by encapsulation within silica via a reverse microemulsion (see Figure). The QDs display comparable quantum yields to ZnS‐capped CdSe, but are much less toxic than organic‐coated water‐soluble QDs. This method could be used for QD applications such as in biological labeling and in photostable light‐emitting devices.