Research Progress on the Design of Structural Color Materials Based on 3D Printing

Zhao, Chenfei; Wang, Jun; Zhang, Zhuo‐qing; Chi, Congcong

doi:10.1002/admt.202200257

Cited by 7 publications

(1 citation statement)

References 115 publications

(158 reference statements)

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“…[134][135][136] 9 | 3D PHC DISPLAY By combining PhCs with advanced processing methods, displays can be expanded from 2D planes to 3D spaces. [137][138][139][140] Liu et al [141] used two-photon polymerization lithography printing techniques to prepare 3D PhC models, and then obtained crosslinked 3D photonic structures using thermal shrinkage (Figure 11A). The precision of this structure can reach 280 nm, which is the same as the optical structure scale of butterflies in nature.…”

Section: Phc Display Based On Smart Actuatormentioning

confidence: 99%

Bioinspired reflective display based on photonic crystals

Liu,

Hou,

Song

et al. 2024

Interdisciplinary Materials

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Reflective displays have the advantages of energy efficiency, high brightness, eye protection, and good readability, making them an attractive display technology. Photonic crystal (PhC) structural color is highly regarded as an ideal choice for reflective displays for its ecofriendliness, colorfastness, and adjustability. In this review, we introduce the fundamental classification and manufacturing methods of PhC reflective displays. We systematically summarize the display principles of PhC‐based displays driven by various stimuli. Furthermore, we present the latest research advancements in PhC displays based on smart actuators. Additionally, we offer a detailed overview of the current research status and application prospects of liquid crystal structural color displays and three‐dimensional PhC displays. Finally, we discuss the challenges faced by PhC displays and provide insights into their prospects.

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Section: Phc Display Based On Smart Actuatormentioning

confidence: 99%

Bioinspired reflective display based on photonic crystals

Liu,

Hou,

Song

et al. 2024

Interdisciplinary Materials

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Supramolecular 3D Printing Enabling One‐Step Generation of Healable and Recyclable Structurally Colored Objects

Hu,

Li,

Lyu

et al. 2024

Adv Funct Materials

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Structurally colored objects with 3D geometries are intriguing in optical devices and visual sensors, but their preparation is bottlenecked by complicated procedures and limited material choices. Herein, a facile supramolecular 3D printing strategy is proposed via direct ink writing (DIW) supramolecular colloidal inks (SCIs) consisting of polymers and colloids based on supramolecular interactions to construct healable and recyclable structurally colored objects. Optimized supramolecular interactions balance the rheological requirements for DIW and the high particle volume fraction for the one‐step and immediate generation of structural color. The shear‐thinning and thixotropy features of the SCIs, characterized by a two‐order‐of‐magnitude decrease in viscosity during the printing process and 50% storage modulus recovery thereafter, ensure the reversible solid–liquid transition during the extrusion and deposition process. The short‐range ordered arrangements of colloids within the matrix give rise to angle‐independent structural color. Moreover, 3D structurally colored objects from the SCIs are healable and, more importantly, can be closed‐looped recycled thanks to the reversibility of supramolecular interactions. Leveraging optimized supramolecular interactions, various SCIs with a wide range of material choices meeting the DIW process are extended to construct 3D structurally colored objects directly. This study paves the way for constructing advanced 3D materials with a supramolecular strategy.

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Filaments for 3D Printing of Iridescent Structural Colors

Siegwardt,

Hemkemeier,

Gallei

2024

Advanced Optical Materials

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Inspired by nature, this work presents a scalable method to produce opalescent 3D printing filaments with angle‐dependent structural color. Compared to conventional colorants, these colors provide a more vivid appearance, possess the ability to dynamically change in response to alterations of illumination, and may feature superior longevity as well as durability. Particle synthesis via emulsion polymerization in starved‐feed mode is utilized to achieve a tailored core–shell particle architecture. During processing, the thermoplastic polyacrylate‐based shells form a continuous matrix, wherein the pristine polystyrene cores self‐assemble. The colloidal ordered structure thus formed selectively scatters light according to Bragg's law. Adjusting particle size makes the perceived colors easily tunable over the visible spectrum. The filaments are printable on entry‐level printers with comparable settings to commercial filaments and state‐of‐the‐art print quality. With this work, sustainable 3D printing of iridescent objects with a novel and superior coloration strategy becomes possible for everyone – from hobbyists over customized goods and industrial prototypes to serial production.

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Research Progress on the Design of Structural Color Materials Based on 3D Printing

Cited by 7 publications

References 115 publications

Bioinspired reflective display based on photonic crystals

Bioinspired reflective display based on photonic crystals

Supramolecular 3D Printing Enabling One‐Step Generation of Healable and Recyclable Structurally Colored Objects

Filaments for 3D Printing of Iridescent Structural Colors

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