Cucurbit [n] urils (Q [n] s or CB [n] s), as a classical of artificial organic macrocyclic hosts,
were found to have excellent advantages in the fabricating of tunable and smart organic …

Multicharged cyclodextrin (CD) supramolecular assemblies, including those based on
positively/negatively charged modified mono-6-deoxy-CDs, per-6-deoxy-CDs, and random …

The development of advanced materials for information encryption with time-dependent
features is essential to meet the increasing demand on encryption security. Herein, smart …

Carbon dots (CDs) are a new solution-processable laser material. They offer advantages of
non-toxicity, low cost, and high stability, making them attractive for the sustainable …

The unique advantages and the exciting application prospects of AIEgens have triggered
booming developments in this area in recent years. Among them, stimuli‐responsive …

Counterfeiting and inverse engineering of security and confidential documents, such as
banknotes, passports, national cards, certificates, and valuable products, has significantly …

Optically variable devices (OVDs) are in tremendous demand as optical indicators against
the increasing threat of counterfeiting. Conventional OVDs are exposed to the danger of …

While photoluminescence printing is a widely applied anticounterfeiting technique, there are
still challenges in developing new generation anticounterfeiting materials with high security …

The development of chiral optical active materials with switchable circularly polarized
luminescence (CPL) signals remains a challenge. Here an azoarene‐based circularly …

Abstract Information encryption has become increasingly important in recent years; however,
information encryption materials, especially those encrypting on a time scale, are still in …