X-ray studies of polymer/gold nanocomposites

X-ray studies of polymer/gold nanocomposites

We demonstrate that x-ray reflection standing wave fluorescence spectroscopy is a highly sensitive technique for the determination of the distribution of metal nanoparticles inside polymer thin films. We investigate both the depth profile and the in-plane spatial correlation of gold nanoparticles in...

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Veröffentlicht in:Journal of Applied Physics 1999-03, Vol.85 (6), p.3180-3184
Hauptverfasser: Lin, Binhua, Morkved, Terry L., Meron, Mati, Huang, Zhengqing, Viccaro, P. James, Jaeger, Heinrich M., Williams, Scott M., Schlossman, Mark L.
Format: Artikel
Sprache:eng
Schlagworte:
ANNEALING
COMPOSITE MATERIALS
FLUORESCENCE
GOLD
MATERIALS SCIENCE
PARTICLE SIZE
PHYSICS
POLYMERS
STANDING WAVES
THIN FILMS
X-RAY DIFFRACTION
X-RAY FLUORESCENCE ANALYSIS
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Beschreibung
Zusammenfassung:We demonstrate that x-ray reflection standing wave fluorescence spectroscopy is a highly sensitive technique for the determination of the distribution of metal nanoparticles inside polymer thin films. We investigate both the depth profile and the in-plane spatial correlation of gold nanoparticles in an asymmetric polystyrene-b-poly(2-vinylpyridine) block copolymer film. These copolymer films self-assemble into alternating, nanometer-sized domains that are, upon annealing, selectively decorated by thermally evaporated metal nanoparticles to form metal/polymer composites.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.369658