Formation of CdS nanoclusters in phase-separated poly(2-hydroxyethyl methacrylate)-l-polyisobutylene amphiphilic conetworks

Jonas Scherble, Ralf Thomann, Béla Iván, Rolf Mülhaupt

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Abstract

Nanophase-separated poly(2-hydroxyethyl methacrylate)-l-polyisobutylene (PHEMA-l-PIB) amphiphilic conetworks were obtained by crosslinking α,ω-bismethacrylate-terminated polyisobutylene (PIB) via copolymerization with silylated 2-hydroxyethyl methacylate, followed by the hydrolysis of the silyether groups. Morphology development of a sample containing 64% PIB was monitored by means of transmission electron microscopy (TEM), atomic force microscopy (AFM), and small-angle X-ray scattering. For comparison, the morphology of a sample containing 53% PIB was investigated by AFM. The dry conetworks exhibited hydrophilic and hydrophobic phases with average 8-10-nm domain sizes and were swellable in water as well as in heptane. Swelling amphiphilic conetworks with aqueous cadmium-chloride solution followed by exposure to H2S resulted in nanosized CdS clusters located in the amphiphilic conetworks, that is, for the first time, new inorganic-organic hybrid materials composed of CdS semiconducting nanocrystals and PHEMA-l-PIB amphiphilic conetworks were prepared.

Original languageEnglish
Pages (from-to)1429-1436
Number of pages8
JournalJournal of Polymer Science, Part B: Polymer Physics
Volume39
Issue number12
DOIs
Publication statusPublished - Jun 15 2001

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Keywords

  • AFM
  • Amphiphilic conetwork
  • Morphology
  • Nanosized CdS clusters
  • TEM

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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