He, T., Adams, D. J. , Butler, M. F., Cooper, A. I. and Rannard, S. P. (2009) Polymer nanoparticles: shape-directed monomer-to-particle synthesis. Journal of the American Chemical Society, 131(4), pp. 1495-1501. (doi: 10.1021/ja807462e) (PMID:19133746)
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Abstract
Well-defined dumbbell and tripartite organic nanoparticles (30−60 nm) were produced via a one-pot direct synthesis of branched amphiphilic block copolymers, avoiding the need for postsynthesis self-assembly steps. We show the mechanism of dumbbell formation is largely a concerted process of particle growth during polymerization, although data suggest that particle−particle linking also occurs, particularly at higher monomer conversions. Dumbbell particles formed using a disulfide bifunctional initiator lead to cleavable structures, underlining the role of initiator functionality in shape control and the potential for functionality placement. Trifunctional initiators allow the direct one-pot synthesis of “tripartite” clover-leaf shaped nanoparticles which would be difficult to achieve through conventional synthesis/self-assembly/cross-linking strategies.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Adams, Dave |
| Authors: | He, T., Adams, D. J., Butler, M. F., Cooper, A. I., and Rannard, S. P. |
| College/School: | College of Science and Engineering > School of Chemistry |
| Journal Name: | Journal of the American Chemical Society |
| Publisher: | American Chemical Society |
| ISSN: | 0002-7863 |
| ISSN (Online): | 1520-5126 |
| Published Online: | 09 January 2009 |
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