Optical properties of the synthetic nanocomposites SiO2/CdS/poly(styrene-co-maleic anhydride) and SiO2/CdS/poly(styrene-co-maleimide)

Hybrid materials consisting of SiO2/CdS particles dispersed in poly(styrene-co-maleic anhydride) and poly(styrene-co-maleimide) have been synthesized and characterized. The polymer nanocomposites were synthesised in situ in the presence of previously prepared inorganic fillers (SiO2/CdS). The nanoco...

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Published inJournal of nanoscience and nanotechnology Vol. 2; no. 2; p. 177
Main Authors Esteves, Ana Catarina, Monteiro, Olinda C, Barros-Timmons, Ana M, Boemare, Claude, Soares, M J, Monteiro, Teresa, Trindade, Tito
Format Journal Article
LanguageEnglish
Published United States 01.04.2002
Subjects
Cadmium Compounds - chemistry
Crystallization - methods
Luminescence
Magnetic Resonance Spectroscopy
Maleic Anhydrides - chemistry
Maleimides - chemistry
Materials Testing - methods
Microscopy, Electron
Microspheres
Nanotechnology - methods
Particle Size
Polystyrenes - chemistry
Silicon Dioxide - chemistry
Spectroscopy, Fourier Transform Infrared
Sulfides - chemistry
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Summary:Hybrid materials consisting of SiO2/CdS particles dispersed in poly(styrene-co-maleic anhydride) and poly(styrene-co-maleimide) have been synthesized and characterized. The polymer nanocomposites were synthesised in situ in the presence of previously prepared inorganic fillers (SiO2/CdS). The nanocomposites were synthesized with the use of as-prepared or surface-modified SiO2/CdS fillers. For both types of nanocomposites, the optical properties were evaluated and the observation of size quantization effects in the optical spectra is discussed. In this context, the influence of the inorganic fillers and polymer matrices on the optical properties of the final nanocomposites was investigated.
ISSN:1533-4880
DOI:10.1166/jnn.2002.097