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Effect of Surface‐Hydroxylated CdS Nanoparticles on the Morphological Transformation of Polystyrene‐ block ‐Poly(ethylene oxide) Thin Films
Author(s) -
Yeh SiaoWei,
Chang YaoTe,
Chou ChiaHung,
Wei KungHwa
Publication year - 2004
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.200400277
Subject(s) - ethylene oxide , polystyrene , materials science , copolymer , transmission electron microscopy , scanning electron microscope , chemical engineering , hydrogen bond , oxide , polymer chemistry , propylene oxide , nanoparticle , morphology (biology) , polymer , nanotechnology , composite material , molecule , chemistry , organic chemistry , engineering , metallurgy , genetics , biology
Summary: Polystyrene‐ block ‐poly(ethylene oxide) (SEO) block copolymer thin films, in which CdS clusters have been sequestered into the PEO domains of the SEO block copolymers, are found to induce the morphological transformation of PEO from cylinders to spheres, as shown by using atomic force microscopy (AFM), transmission electron microscopy (TEM), and scanning electron microscopy (SEM). This transformation is caused by the presence of hydrogen‐bonding interactions between surface‐hydroxylated CdS and PEO, as confirmed by nuclear magnetic resonance (NMR) studies.Morphological transformation of PEO cylinders into CdS/PEO spheres by hydrogen‐bonding interactions between surface‐hydroxylated CdS and PEO.