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

The synergistic integration of nanomaterials with 3D printing technologies can enable the
creation of architecture and devices with an unprecedented level of functional integration. In …

Nanoparticle assembly is a complex and versatile method of generating new materials,
capable of using thousands of different combinations of particle size, shape, composition …

Nanoparticle assembly has been proposed as an ideal means to program the hierarchical
organization of a material by using a selection of nanoscale components to build the entire …

Abstract 3D photonic crystals (PCs) have attracted extensive attention due to their unique
optical properties. However, fabricating 3D PCs structure by 3D printing colloidal particles is …

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 …

The architecture of the colloidal photonic crystals (CPCs) is of paramount importance to their
functionality and applications. Nevertheless, the realization of CPCs with arbitrarily …

The orderly arrangement of nanomaterials' tiny units at the nanometer-scale accounts for a
substantial part of their remarkable properties. Maintaining this orderness and meanwhile …

Structural color has been regarded as an ideal alternative to pigments because of the
advantages of environmental friendliness, resistance to fading, and dynamic regulation …

The extraordinary properties of biological materials often result from their sophisticated
hierarchical structures. Through multilevel and cross-scale structural designs, biological …