Experimental probing of dynamic self-organized columnar assemblies in colloidal liquid crystals

Hoshino, Taiki; Nakayama, Masanari; Hosokawa, Yoshihiro; Mochizuki, Kanta; Kajiyama, Satoshi; Kohmura, Yoshiki; Kato, Takashi

doi:10.1039/d3na00183k

Nanoscale Adv.

2023

DOI: 10.1039/d3na00183k

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Experimental probing of dynamic self-organized columnar assemblies in colloidal liquid crystals

Taiki Hoshino

Masanari Nakayama

Yoshihiro Hosokawa

et al.

Abstract: Self-organized supramolecular assemblies are widespread in nature and technology in the form of liquid crystals, colloids, and gels. The reversible nature of non-covalent bonding leads to dynamic functions such as...

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2024

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Cited by 2 publications

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2D Photonic Colloidal Liquid Crystals Composed of Self‐Assembled Rod‐Shaped Particles

Kato,

Mikami,

Kato

2024

Advanced Materials

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Photonic crystals, characterized by their periodic structures, have been extensively studied for their ability to manipulate light. Typically, the development of 2D photonic crystals requires either sophisticated equipment or precise orientation of spherical nanoparticles. However, liquid‐crystalline (LC) materials offer a promising alternative, facilitating the formation of periodic structures without the need for complex manipulation. Despite this advantage, the development of 2D photonic periodic structures using LC materials is limited to a few colloidal nanodisk liquid crystals. Herein, 2D photonic colloidal liquid crystals composed of biomineral‐based nanorods and water is reported. The soft photonic materials with 2D structure by self‐assembled LC colloidal nanorods are unique and a new class of photonic materials different from conventional solid 2D photonic materials. These colloids exhibit bright structural colors with high reflectance (>50%) and significant angular dependency. The structural colors are adjusted by controlling the concentration and size of the LC colloidal nanorods. Furthermore, mechanochromic hydrogel thin films with 2D photonic structure are developed. The hydrogels exhibit reversible mechanochromic properties with angular dependency, which can be used for an advanced stimuli responsible sensor.

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2D Photonic Colloidal Liquid Crystals Composed of Self‐Assembled Rod‐Shaped Particles

Kato,

Mikami,

Kato

2024

Advanced Materials

View full text Add to dashboard Cite

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Dynamics of anisotropic colloidal systems: What to choose, DLS, DDM or XPCS?

Kamal,

Brizioli,

Zinn

et al. 2024

Journal of Colloid and Interface Science

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Experimental probing of dynamic self-organized columnar assemblies in colloidal liquid crystals

Abstract: Self-organized supramolecular assemblies are widespread in nature and technology in the form of liquid crystals, colloids, and gels. The reversible nature of non-covalent bonding leads to dynamic functions such as...

Cited by 2 publications

References 53 publications

2D Photonic Colloidal Liquid Crystals Composed of Self‐Assembled Rod‐Shaped Particles

2D Photonic Colloidal Liquid Crystals Composed of Self‐Assembled Rod‐Shaped Particles

Dynamics of anisotropic colloidal systems: What to choose, DLS, DDM or XPCS?

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