Photonic structures designed at sub‐wavelength scales have emerged as a promising
avenue for various energy applications, including cooling devices, water harvesting …

The exciting properties of micro-and nano-patterned surfaces found in natural species hide
a virtually endless potential of technological ideas, opening new opportunities for innovation …

Coatings for passive radiative cooling applications must be highly reflected in the solar
spectrum, and thus can hardly support any coloration without losing their functionality. In this …

The ability to control light direction with tailored precision via facile means is long‐desired in
science and industry. With the advances in optics, a periodic structure called diffraction …

Bioinspired dynamic structural color has great potential for use in dynamic displays, sensors,
cryptography, and camouflage. However, it is quite rare for artificial structural color devices …

Structural colorful cholesterics show impressive susceptibility to external stimulation, leading
to applications in electro/mechano‐chromic devices. However, out‐of‐plane actuation of …

Multilayer grating structures, such as those found on the wings of the butterfly Cynandra
opis, are able to interact with light to generate structural coloration. When illuminated and …

Optical encryption, exploiting degrees of freedom of light as parameters to encode and
decode information, plays an indispensable role in our daily life. Responsive structural color …

Structural color materials, which use nano-or microstructures to reflect specific wavelengths
of ambient white light, have drawn much attention owing to their wide applications ranging …

Responsive structural colors from artificially engineered micro/nanostructures are critical to
the development of anti‐counterfeiting, optical encryption, and intelligent display. Herein, the …