Issue 11, 2018

Hydrogen bonding directed co-assembly of polyoxometalates and polymers to core–shell nanoparticles

Abstract

A general strategy has been developed here to co-assemble polyoxometalates (POMs) and polymers into core–shell hybrid nanoparticles via hydrogen bonding interaction. Due to the hydrogen bonds between the pyridine groups of poly(4-vinyl pyridine) (P4VP) and the hydrogen bonding donor groups on the POM surface, P4VP is stabilized by the POMs and dispersed as discrete hybrid core–shell nanoparticles in aqueous solution. For these thermodynamically stable nanoparticles, the P4VP cores are covered with hexagonal close-packed POMs. The size of the core–shell particles is controlled by the electrostatic repulsive interaction among the POMs. The introduction of extra salts screens the repulsive force among the POMs, thus increasing the size of the core–shell structures.

Graphical abstract: Hydrogen bonding directed co-assembly of polyoxometalates and polymers to core–shell nanoparticles

Supplementary files

Article information

Article type
Research Article
Submitted
12 jun 2018
Accepted
13 set 2018
First published
13 set 2018

Mater. Chem. Front., 2018,2, 2070-2075

Author version available

Hydrogen bonding directed co-assembly of polyoxometalates and polymers to core–shell nanoparticles

J. Zhou, J. Hu, M. Li, H. Li, W. Wang, Y. Liu, R. E. Winans, T. Li, T. Liu and P. Yin, Mater. Chem. Front., 2018, 2, 2070 DOI: 10.1039/C8QM00291F

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