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. Author manuscript; available in PMC: 2020 May 1.
Published in final edited form as: Mater Today (Kidlington). 2019 Mar 9;25:10–20. doi: 10.1016/j.mattod.2019.02.015

FIGURE 1.

FIGURE 1.

Concept and working principle of reconfigurable chiral meta-molecules. (a) Chirality origin in colloidal meta-molecules. The balls with different colors represent colloids with different materials. (b) Working principle of the reconfigurable opto-thermophoretic assembly of chiral meta-molecules. The red and green arrows represent the incident and scattering light, respectively. (c) Colloid-micelle interaction in the light-generated temperature field. (d) Measured trapping stiffness of single 300 nm AuNSs measured at different CTAC concentrations. (e) Interparticle interaction potential U between two 300 nm AuNSs at different CTAC concentrations. The green color indicates stable trapping or assembly region, while red color indicates that the trapping or assembly is not stable. T is the temperature and kB is the Boltzmann constant.