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    Imaging the polymerization of multivalent nanoparticles in solution

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    Author
    Kim, Juyeong; Ou, Zihao; Jones, Matthew R.; Song, Xiaohui; Chen, Qian
    Date
    2017
    Abstract
    Numerous mechanisms have been studied for chemical reactions to provide quantitative predictions on how atoms spatially arrange into molecules. In nanoscale colloidal systems, however, less is known about the physical rules governing their spatial organization, i.e., self-assembly, into functional materials. Here, we monitor real-time self-assembly dynamics at the single nanoparticle level, which reveal marked similarities to foundational principles of polymerization. Specifically, using the prototypical system of gold triangular nanoprisms, we show that colloidal self-assembly is analogous to polymerization in three aspects: ensemble growth statistics following models for step-growth polymerization, with nanoparticles as linkable “monomers”; bond angles determined by directional internanoparticle interactions; and product topology determined by the valency of monomeric units. Liquid-phase transmission electron microscopy imaging and theoretical modeling elucidate the nanometer-scale mechanisms for these polymer-like phenomena in nanoparticle systems. The results establish a quantitative conceptual framework for self-assembly dynamics that can aid in designing future nanoparticle-based materials.
    Citation
    Kim, Juyeong, Ou, Zihao, Jones, Matthew R., et al.. "Imaging the polymerization of multivalent nanoparticles in solution." Nature Communications, 8, (2017) Springer Nature: https://doi.org/10.1038/s41467-017-00857-1.
    Published Version
    https://doi.org/10.1038/s41467-017-00857-1
    Type
    Journal article
    Publisher
    Springer Nature
    Citable link to this page
    https://hdl.handle.net/1911/97808
    Rights
    This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.
    Link to License
    https://creativecommons.org/licenses/by/4.0/
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    • Chemistry Publications [636]
    • Faculty Publications [4988]

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    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map