Information storage and security is one of the perennial hot issues in society, while the
further advancements of related chemical anti-counterfeiting systems remain a formidable …

Colloidal self-assembly refers to a solution-processed assembly of nanometer-/micrometer-
sized, well-dispersed particles into secondary structures, whose collective properties are …

Photonic crystal (PC) is an emerging optical microstructure material with adjustable
dielectric constant, which can vary with its space periodically. It has exhibited excellent …

Materials capable of shape‐morphing and/or fluorescence imaging have practical
significances in the fields of anti‐counterfeiting, information display, and information …

Stimulus-responsive photonic crystals (PCs) possessing unconventional nonclosely packed
structures have received growing attention due to their unique capability of mimicking the …

The counterfeiting of goods is growing worldwide, affecting practically any marketable item
ranging from consumer goods to human health. Anticounterfeiting is essential for …

Structural colors are promising candidates for their antifading and eco-friendly
characteristics. However, high cost and complicated processing inevitably hinder their …

Although the encrypted anti‐counterfeiting technology based on infiltration‐controlled
photonic crystals has attracted widespread attention, the information has only hidden and …

Colloidal crystals and glasses have been designed to develop structural colors that are
tunable, iridescent, nonfading, and nontoxic. However, the low printability and poor printing …

Organisms in nature have evolved unique structural colors and stimuli‐responsive functions
for camouflage, warning, and communication over millions of years, which are essential to …