The DOI matches its Crossref record; 61 of the 61 references it cites were found in a registry or an index.
Self-Assembly of Amphiphilic Plasmonic Micelle-Like Nanoparticles in Selective Solvents
Abstract
Amphiphilic plasmonic micelle-like nanoparticles (APMNs) composed of gold nanoparticles (AuNPs) and amphiphilic block copolymers (BCPs) structurally resemble polymer micelles with well-defined architectures and chemistry. The APMNs can be potentially considered as a prototype for modeling a higher-level self-assembly of micelles. The understanding of such secondary self-assembly is of particular importance for the bottom-up design of new hierarchical nanostructures. This article describes the self-assembly, modeling, and applications of APMN assemblies in selective solvents. In a mixture of water/tetrahydrofuran, APMNs assembled into various superstructures, including unimolecular micelles, clusters with controlled number of APMNs, and vesicles, depending on the lengths of polymer tethers and the sizes of AuNP cores. The delicate interplay of entropy and enthalpy contributions to the overall free energy associated with the assembly process, which is strongly dependent on the spherical architecture of APMNs, yields an assembly diagram that is different from the assembly of linear BCPs. Our experimental and computational studies suggested that the morphologies of assemblies were largely determined by the deformability of the effective nanoparticles (that is, nanoparticles together with tethered chains as a whole). The assemblies of APMNs resulted in strong absorption in near-infrared range due to the remarkable plasmonic coupling of Au cores, thus facilitating their biomedical applications in bioimaging and photothermal therapy of cancer.
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Self-assembly of anisotropic nanoparticles into functional superstructures
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Self-citation
Metadata
- Authors
- He, J., Huang, X., Li, Y.-C., Liu, Y., Babu, T., Aronova, M. A., Wang, S., Lu, Z., Chen, X., & Nie, Z.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-05-14
- Volume
- 135
- Issue
- 21
- Pages
- 7974-7984
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2034370667
- Cited by
- 288
- References
- 61
- FWCI
- 11.77
- Type
- journal article
- Language
- en
- Open access
- closed
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