Self‐trapped excitons (STEs) have recently attracted tremendous interest due to their
broadband emission, high photoluminescence quantum yield, and self‐absorption‐free …

It has always been a goal to realize high efficiency and broadband emission in single‐
component materials. The appearance of metal halide perovskites makes it possible. Their …

Though fluorescence‐tag‐based anti‐counterfeiting technology has distinguished itself with
cost‐effective features and huge information loading capacity, the clonable decryption …

High‐performance X‐ray scintillators with low detection limits and high light yield are of
great importance and are a challenge for low‐dose X‐ray imaging in medical diagnosis and …

All‐inorganic lead‐free perovskite‐derivative metal halides have shown great promise in
optoelectronics, however, it remains challenging to realize efficient near‐infrared (NIR) …

A phosphor emitting both white light and broad near‐infrared (NIR) radiation can
simultaneously provide visual inspection and early signs of rotting of food products. The …

Eco‐friendly lead‐free organic–inorganic manganese halides (OIMHs) have attracted
considerable attention in various optoelectronic applications because of their superior …

Luminescent metal halide perovskites (MHPs) open new avenues for highly efficient
radiation detection. To challenge the state‐of‐art technology, fundamental understanding of …

With social development and the technology advancement, the demand for high-security
photoluminescence (PL) anti-counterfeiting and information encryption materials is …

Abstract Bismuth (Bi3+)‐included lead‐free metal halide (LFMH) materials attract much
attention in lighting, display, photodetectors, X‐ray detectors, and photovoltaic fields, due to …