Counterfeiting is a growing global issue causing severe negative impacts on the social
economy and posing serious security threats to individuals and communities. However, the …

Advances in wearable epidermal sensors have revolutionized the way that physiological
signals are captured and measured for health monitoring. One major challenge is to convert …

Electrically responsive photonic crystals are promising materials for electrophoretic color
displays with better brightness and color saturation. However, electric field must always be …

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

Both the nonclose-packed structure and the large refractive index contrast of guanine
nanocrystals and cytosols in iridophores play a vital role in the dynamic camouflage of …

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

Biosensors are extensively employed for diagnosing a broad array of diseases and
disorders in clinical settings worldwide. The implementation of biosensors at the point-of …

Stimuli‐responsive colors are a unique characteristic of certain animals, evolved as either a
method to hide from enemies and prey or to communicate their presence to rivals or mates …

Responsive optical nanomaterials that can sense and translate various external stimuli into
optical signals, in the forms of observable changes in appearance and variations in spectral …

All present commercial colors are based on pigments. While such traditional pigment-based
colorants offer a commercial platform for large-volume and angle insensitiveness, they are …