Ya-Ru Chiu, Yao-Tsung Hsu, Chih-Yu Wu, Tzu-Hung Lin, Yu-Zhen Yang, Hsien-Yeh Chen.Assembly of Shape-Tunable Colloidal Dimers in a Dielectrophoretic Field. Fangyuan Dong, Mingzhu Liu, Veronica Grebe, Michael D.Journal of the American Chemical Society 2020, 142 Three-Dimensional Gold Nanosphere Hexamers Linked with Metal Bridges: Near-Field Focusing for Single Particle Surface Enhanced Raman Scattering. Sungjae Yoo, Jeongwon Kim, Jae-Myoung Kim, Jiwoong Son, Sungwoo Lee, Hajir Hilal, MohammadNavid Haddadnezhad, Jwa-Min Nam, Sungho Park.Highly Porous Magnetic Janus Microparticles with Asymmetric Surface Topology. The Journal of Physical Chemistry B 2020, 124 Confinement of Colloids with Competing Interactions in Ordered Porous Materials. Convective Self-Assembly of 2D Nonclose-Packed Binary Au Nanoparticle Arrays with Tunable Optical Properties. Changchang Xing, Dilong Liu, Jinxing Chen, Yulong Fan, Fei Zhou, Keerat Kaur, Weiping Cai, Yue Li.Asymmetric Colloidal Particles Fabricated by Polymerization-Induced Surface Self-Assembly Approach. Wangmeng Hou, Wen Zhong, Hanying Zhao.Templated Assembly of Nanoparticles into Continuous Arrays. Natali Ostrovsky, Guillaume Le Saux, Uri Argaman, I−Te Chen, Timothy Chen, Chih-Hao Chang, Guy Makov, Mark Schvartzman.This article is cited by 690 publications. They should also find use as the building blocks to generate hierarchically self-assembled systems that may exhibit interesting properties highly valuable to areas ranging from photonics to condensed matter physics.

These colloidal aggregates can serve as a useful model system to investigate the hydrodynamic and optical scattering properties of colloidal particles having nonspherical morphologies. We have also been able to generate hybrid aggregates in the shape of HF or H 2O molecules that are composed of polymer beads having different diameters, polymer beads labeled with different organic dyes, and a combination of polymeric and inorganic beads. We have demonstrated the capability and feasibility of this approach by assembling polystyrene beads and silica colloids (≥150 nm in diameter) into complex aggregates that include polygonal or polyhedral clusters, linear or zigzag chains, and circular rings.

When an aqueous dispersion of colloidal particles was allowed to dewet from a solid surface that had been patterned with appropriate relief structures, the particles were trapped by the recessed regions and assembled into aggregates whose structures were determined by the geometric confinement provided by the templates. This paper describes a strategy that combines physical templating and capillary forces to assemble monodispersed spherical colloids into uniform aggregates with well-controlled sizes, shapes, and structures.

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