Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 132, Issue 36, Pages 12537-12539Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja105189s
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Funding
- Air Force Office for Scientific Research [FA9550-09-1-0169]
- Pennsylvania Infrastructure Technology Alliance (PITA)
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Surface-initiated atom-transfer radical polymerization is used to synthesize particle brushes with controlled fraction of extended and relaxed conformations of surface-grafted chains. In the semidilute brush limit, the grafting of polymeric ligands is shown to facilitate the formation of ordered yet plastic-compliant particle array structures in which chain entanglements give rise to fracture through a polymer-like crazing process that dramatically increases the toughness and flexibility of the particle assembly.
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