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Updated: Jun 20, 2026
A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates
Published on: May 9, 2014
Hydrogen-bonding-assisted self-assembly: monodisperse hollow nanoparticles made easy
Zaicheng Sun1, Feng Bai, Huimeng Wu
1NSF Center for Micro-Engineered Materials, Chemical and Nuclear Engineering Department, The University of New Mexico, Albuquerque, New Mexico 87131, USA.
Abstract:
A facile self-assembly process for synthesizing monodisperse hollow spherical nanoparticles that are less than 50 nm in diameter has been developed. Preferential hydrogen bonding between an amphiphilic block copolymer (polystyrene-b-polyvinylpyridine, PS-PVP) and a hydrogen-bonding agent (HA) enables formation of monodisperse spherical solid polymer nanoparticles with the HA residing in the particle core surrounded by the polymer. Removal of the HA results in monodisperse hollow nanoparticles with tunable hollow cavity size and internal surface reactivity. Formation of ordered hollow nanoparticle films with controlled index of refraction for antireflective coating applications is demonstrated.
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