Microfluidically Patterned Dome-Shaped Photonic Colloidal Crystals Exhibiting Structural Colors with Low Angle Dependency

2017 ◽  
Vol 5 (4) ◽  
pp. 1600900 ◽  
Author(s):  
Noriyuki Suzuki ◽  
Eiji Iwase ◽  
Hiroaki Onoe
Keyword(s):  
Colloidal Crystals ◽  
Structural Colors

scholarly journals Self-Assembly of Ternary Particles for Tough Colloidal Crystals with Vivid Structure Colors

2013 ◽  
Vol 2013 ◽  
pp. 1-14 ◽  
Author(s):  
Binfu Bao ◽  
Duo Liu ◽  
Youyou Yang ◽  
Zhehong Shen ◽  
Bo You
Keyword(s):  
Carbon Black ◽  
Self Assembly ◽  
Large Scale ◽  
Colloidal Crystals ◽  
The Self ◽  
Natural Conditions ◽  
Practical Applications ◽  
Structural Colors ◽  
Crystal Films ◽  
Nanosilica Particles

Self-assembly of colloidal spheres is the most frequently used method for structural colors, but the chroma of the structural colors is usually so low that people cannot observe it under natural conditions. This paper presents a facile method for fabrications of vivid structural colors by doping carbon black into the self-assembly of colloidal polymer spheres and nanosilica particles. This approach can generate very gorgeous structural colors which can be very easily seen under natural conditions. The fabrication conditions for the self-assembly of composite dispersions of polymer/silica/carbon black were optimized to obtain colloidal crystals with vivid colors. Thus, robust mechanical properties, large-scale, and brilliant structural colors can guarantee the obtained crystal films to find practical applications, which are demonstrated by the fact that the successful applications of structural colors beautify the original simple and tedious surface of bamboo strand board (BSB).

A flexible and robust dual-network supramolecular elastic film with solvent resistance and brilliant structural colors

2019 ◽  
Vol 43 (29) ◽  
pp. 11517-11523 ◽  
Author(s):  
Jia Wu ◽  
Wenbin Niu ◽  
Shufen Zhang ◽  
Suli Wu ◽  
Wei Ma ◽  
...  
Keyword(s):  
Elastic Material ◽  
Colloidal Crystals ◽  
Structural Color ◽  
Solvent Resistance ◽  
Structural Colors ◽  
Elastic Film

Structural color films were prepared by combining a Zn2+-crosslinked supramolecular elastic material with PS@SiO2 colloidal crystals.

scholarly journals Dynamic Colloidal Photonic Crystal Hydrogels with Self-Recovery and Injectability

Research ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-11
Author(s):  
Yue Ma ◽  
Peiyan He ◽  
Wanli Xie ◽  
Qiang Zhang ◽  
Weiling Yin ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Dynamic Characteristics ◽  
Colloidal Crystals ◽  
Self Healing ◽  
Proof Of Concept ◽  
Ordered Structure ◽  
Physical Damage ◽  
Periodic Nanostructures ◽  
Structural Colors ◽  
New Strategy

Simulation of self-recovery and diversity of natural photonic crystal (PC) structures remain great challenges for artificial PC materials. Motivated by the dynamic characteristics of PC nanostructures, here, we present a new strategy for the design of hydrogel-based artificial PC materials with reversible interactions in the periodic nanostructures. The dynamic PC hydrogels, derived from self-assembled microgel colloidal crystals, were tactfully constructed by reversible crosslinking of adjacent microgels in the ordered structure via phenylboronate covalent chemistry. As proof of concept, three types of dynamic colloidal PC hydrogels with different structural colors were prepared. All the hydrogels showed perfect self-healing ability against physical damage. Moreover, dynamic crosslinking within the microgel crystals enabled shear-thinning injection of the PC hydrogels through a syringe (indicating injectability or printability), followed by rapid recovery of the structural colors. In short, in addition to the great significance in biomimicry of self-healing function of natural PC materials, our work provides a facile strategy for the construction of diversified artificial PC materials for different applications such as chem-/biosensing, counterfeit prevention, optical display, and energy conversion.

Magnetically responsive colloidal crystals with angle-independent gradient structural colors in microfluidic droplet arrays

Nanoscale ◽  
2019 ◽  
Vol 11 (27) ◽  
pp. 12898-12904 ◽  
Author(s):  
Junjie Chi ◽  
Changmin Shao ◽  
Yalan Zhang ◽  
Dong Ni ◽  
Tiantian Kong ◽  
...  
Keyword(s):  
Colloidal Crystals ◽  
Structural Colors ◽  
Optical Applications

Magnetically responsive colloidal crystals with angle-independent gradient structural colors could be achieved in the microfluidic droplet arrays, which have a significant value in optical applications.

scholarly journals Structural Colors: Self-Assembled Coffee-Ring Colloidal Crystals for Structurally Colored Contact Lenses (Small 8/2015)

Small ◽  
2015 ◽  
Vol 11 (8) ◽  
pp. 889-889 ◽  
Author(s):  
Zhuoying Xie ◽  
Linliang Li ◽  
Panmiao Liu ◽  
Fuyin Zheng ◽  
Liuyang Guo ◽  
...  
Keyword(s):  
Contact Lenses ◽  
Colloidal Crystals ◽  
Structural Colors ◽  
Coffee Ring ◽  
Self Assembled

scholarly journals Programmable Invisible Photonic Patterns with Rapid Response Based on Two-Dimensional Colloidal Crystals

Polymers ◽  
2021 ◽  
Vol 13 (12) ◽  
pp. 1926
Author(s):  
Naiyu Liu ◽  
Zhikun Zheng ◽  
Dingshan Yu ◽  
Wei Hong ◽  
Hailu Liu ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Colloidal Crystals ◽  
Environmentally Friendly ◽  
Rapid Response ◽  
Swelling Kinetics ◽  
Two Dimensional ◽  
Optical Encryption ◽  
Wetting Behavior ◽  
Structural Colors ◽  
Printed Patterns

The development of invisible patterns via programmable patterning can lead to promising applications in optical encryption. This study reports a facile method for building responsive photonic crystal patterns. Commercially printed patterns were used as a mask to induce invisible patterns revealed by wetting. The masked areas exhibit different swelling kinetics, leading to strong structural colors in the masked area and transparent features in the unmasked area. The contrast could disappear through different wetting behavior, providing a unique and reversible wetting feature. This programmable printing is expected to become an environmentally friendly technique for scalable invisible optical anti-counterfeiting technology.

The elasto-hydrodynamic equations of the colloidal crystals

1988 ◽  
Vol 49 (7) ◽  
pp. 1119-1125 ◽  
Author(s):  
M. Jorand ◽  
E. Dubois-Violette ◽  
B. Pansu ◽  
F. Rothen
Keyword(s):  
Colloidal Crystals ◽  
Hydrodynamic Equations

THIN COLLOIDAL CRYSTALS : STRUCTURES AND OPTICAL PROPERTIES

1985 ◽  
Vol 46 (C3) ◽  
pp. C3-323-C3-324
Author(s):  
B. Pansu ◽  
P. Pieraski
Keyword(s):  
Optical Properties ◽  
Colloidal Crystals
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