[Akiko Toyotama] Controlled structures of colloidal crystals and their applications as novel optical materials

Presto Researcher

Akiko Toyotama
Graduate School of Pharmaceutical Sciences, Nagoya City University
assistant professor
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Outline

Charged colloidal particles dispersed in water self-assemble into “crystal” structures when the electrostatic interaction between the particles is sufficiently strong. The colloidal crystals have received considerable attention as potential photonic crystals. Here, we study the methodology for fabrication of multicomponent colloidal crystals. By immobilizing the colloidal crystal in polymer network, we can obtain self-standing materials. They have much flexibility on designing the optical properties such as reflectance and transmittance. They will be useful as photonic crystals as well as useful materials in engineering and medicinal fields.

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