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

Diarylethene (DAE) photoswitches, known for their reversible photoinduced cyclization and
cycloreversion reactions, have shown great promise in various fields such as optical data …

The optical manipulation of polarization has gained widespread attention because it offers a
promising route to new contactless memories and switches. However, the current research …

Room‐temperature phosphorescence (RTP), which has a much longer emission lifetime
than fluorescence, often enables unique material characteristics and fabrication of state‐of …

Stimuli‐responsive photoluminescent materials have attracted considerable attention owing
to their potential applications in security protection because the information recorded directly …

Photochromism is defined as a reversible transformation of a chemical species between two
isomers having different absorption spectra induced in one or both directions by …

Traditional smart fluorescent materials, which have been attracting increasing interest for
security protection, are usually visible under either ambient or UV light, making them …

“United we stand, divided we fall.”–Aesop. Aggregation‐induced emission (AIE) refers to a
photophysical phenomenon shown by a group of luminogenic materials that are non …

The strong light emission of organic luminogens in the aggregated state is essential to their
applications as optoelectronic materials with good performance. In this review, with respect …

Man kennt eine Vielzahl magnetischer Materialien, deren magnetische Eigenschaften durch
externe Stimuli geschaltet werden können. Das Hauptaugenmerk liegt auf der thermischen …