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A Blue‐Emitting CdS/Dendrimer Nanocomposite
Author(s) -
Sooklal Kelly,
Hanus Leo H.,
Ploehn Harry J.,
Murphy Catherine J.
Publication year - 1998
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/(sici)1521-4095(199810)10:14<1083::aid-adma1083>3.0.co;2-b
Subject(s) - dendrimer , materials science , nanocomposite , photoluminescence , nanometre , casting , precipitation , quantum dot , solvent , nanotechnology , chemical engineering , optoelectronics , polymer chemistry , organic chemistry , composite material , chemistry , physics , meteorology , engineering
CdS/dendrimer nanocomposites that emit blue light are formed by the arrested precipitation of nanometer‐scale CdS quantum dots in the presence of Starburst (poly(aminoamine)) dendrimers as the stabilizing host. The authors report a strong photoluminescence with emission maxima at about 450 nm. The optoelectronic properties of the CdS clusters are shown to be sensitive to synthesis conditions, including dendrimer type, solvent type, and the concentration of dendrimer and other solutes. Thin films of these materials prepared by solution casting retain the optoelectronic properties of the parent solutions.