The falsification of documents, currency, pharmaceuticals, branded goods, clothing, food
products, and packaging leads to severe consequences. Counterfeited products can not …

Fluorescent photochromism has been applied as an attractive approach for the production of
effective authentication substrates to show dual-mode secure encoding. In the current study …

The extremely long-persistent photoluminescence of Eu (II)-doped (and co-doped with Dy
(III) ions) strontium aluminum oxide (SrAl2O4: Eu2+, Dy3+) was firstly reported on 1996 by …

Fluorescent materials have been widely used for anti-counterfeiting of important documents
and currencies, wherein their anti-counterfeit abilities could be improved through multi-mode …

Carbon quantum dots (C-dots) have attracted increasing attention because of their nontoxic
composition and excellent optical properties, which have seen them widely used as building …

The incessant threats of counterfeiting outbreaks promptly demand augmentation in the
development of novel security routes. Luminescent metal–organic frameworks (L-MOFs) …

Novel photoluminescent surface coatings were developed for simple industrial production of
fluorescent photochromic and persistent photoluminescent smart materials. The …

Waterborne polymers are advantageous in terms of cost, convenience, sustainability, and
environmental friendliness. As lead halide perovskite (LHP) nanocrystals suffer from fast …

Cotton fabrics with high value fluorescent and hydrophobic properties are highly needed in
the functional textile industry. A facile method of imparting fluorescent and hydrophobic …

During the COVID-19 pandemic, many millions have worn masks made of woven fabric to
reduce the risk of transmission of COVID-19. Masks are essentially air filters worn on the …