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Responsive Assemblies: Gold Nanoparticles with Mixed Ligands in Microphase Separated Block Copolymers


  • This work was supported by the U.S. Department of Energy, the NSF supported MRSEC at the University of Massachusetts Amherst, an NSF NIRT Award, and the Army Research Office. The use of the Advanced Photon Source is supported by DOE, Office of Basic Energy Sciences.


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A simple method for controlling the spatial distribution of nanoparticles in a diblock copolymer is shown. By varying the ligand functionality of the nanoparticles, as well as the processing conditions, the distribution of gold nanoparticles in the microdomains of the diblock copolymer was controlled and altered. In addition, the nanoparticlesare found to affect the diblock copolymer morphologies. Thermal treatment caused a redistribution of the nanoparticles inside one microdomain.

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