Triblock Colloids for Directed Self-Assembly

Methods for functionalizing micrometer-sized colloidal spheres with three or more zones of chemical functionality (ABA or ABC) are described. To produce ABA triblock colloids, we functionalized the north pole, south pole, and equator to produce what we call X, Y, and K functionality according to the...

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Bibliographic Details
Published in:Journal of the American Chemical Society
Main Authors: Chen, Qian, Diesel, Erich, Whitmer, Jonathan K., Bae, Sung Chul, Luijten, Erik, Granick, Steve
Language:unknown
Published: 2023
Subjects:
37 INORGANIC
ORGANIC
PHYSICAL
AND ANALYTICAL CHEMISTRY
North Pole
South Pole
South pole
Online Access:http://www.osti.gov/servlets/purl/1876587
https://www.osti.gov/biblio/1876587
https://doi.org/10.1021/ja202360g
Description
Summary:Methods for functionalizing micrometer-sized colloidal spheres with three or more zones of chemical functionality (ABA or ABC) are described. To produce ABA triblock colloids, we functionalized the north pole, south pole, and equator to produce what we call X, Y, and K functionality according to the number of allowed nearest neighbors and their spatial arrangements. Furthermore, these synthesis methods allowed targeting of various lattice structures whose bonding between neighboring particles in liquid suspension was visualized in situ by optical microscopy.

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