Lanthanide-based upconversion nanomaterials have recently attracted considerable
attention in both fundamental research and various frontier applications owing to their …

Persistent luminescence (PL) is a distinctive optical phenomenon with long‐lasting afterglow
emissions after the cessation of excitation, thus emerging huge prospects in the applications …

Optical nanomaterials have been widely used in anticounterfeiting applications. There have
been significant developments powered by recent advances in material science, printing …

Great progress has been made in inorganic persistent phosphors, especially in the recent
two decades, motivated by the discoveries of the SrAl 2 O 4: Eu 2+-Dy 3+ in the green and …

Triplet excitons usually do not emit light under ambient conditions due to the spin-forbidden
transition rule, thus they are called dark excitons. Herein, triplet excitons in carbon nanodots …

Transmission near-infrared (NIR) imaging technology has great potential for biomedical
imaging because of its lower water absorption coefficient and highly reduced photon …

Nowadays, materials with persistent luminescence (MPLs) have attracted growing attention
in the photocatalytic field because they can act as an inner light source to irradiate the …

Long persistent phosphors (LPPs) can maintain luminescence for an appreciable time after
terminating the excitation light, which can be compared to an optical battery. This intriguing …

Development of advanced fluorescent materials for constructing a secure and unclonable
encryption is urgently required; however, their application in anti-counterfeiting applications …

Optical multiplexing attracts considerable attention in the field of information encryption,
optical probe, and time‐resolved bioimaging. However, the optical multiplexing based on …