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Colloidal random terpolymers: controlling reactivity ratios of colloidal comonomers via metal tipping
Cited 10 time in
Web of Science
Cited 12 time in Scopus
- Authors
- Issue Date
- 2016-08
- Publisher
- American Chemical Society
- Citation
- ACS Macro Letters, Vol.5 No.8, pp.950-954
- Abstract
- We report on a versatile synthetic method of preparing colloidal copolymers and terpolymers composed of dipolar Au@Co core-shell nanoparticles (NPs) in the backbone, along with semiconductor CdSe@CdS nanorod (NR), or tetrapod (TP) side chain groups. A seven-step colloidal total synthesis enabled the synthesis of well-defined colloidal comonomers composed of a dipolar Au@CoNP attached to a single CdSe@CdS NR, or TP, where magnetic dipolar associations between Au@CoNP units promoted the formation of colloidal co- or terpolymers. The key step in this synthesis was the ability to photodeposit a single AuNP tip onto CdSe@CdS NR or TP that enables selective seeding of a dipolar CoNP onto the AuNP seed. We show that the variation of the AuNP size directly controlled the size and dipolar character of the CoNP tip, where the size modulation of the Au and Au@CoNP tips is analogous to control of comonomer reactivity ratios in classical copolymerization processes.
- ISSN
- 2161-1653
- Language
- English
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