Recently, the newly‐emerging lead‐free metal‐halide materials with less toxicity and
superior optoelectronic properties have received wide attention as the safer and potentially …

In this review, the recent development of blue perovskite light‐emitting diodes (PeLED) are
summarized. On deep‐blue (≤ 465 nm) perovskite nanomaterials of different structural …

Low‐dimensional copper halides having nontoxic elements are attracting increasing
attention for their peculiar emission properties. Self‐trapped excitons (STEs) account for …

Two-dimensional hybrid lead perovskites have attracted a great deal of attention in white-
light-emitting diodes, but the serious toxicity of Pb2+ and the limited photoluminescence …

Rb2CuBr3 nanocrystals with a high photoluminescence quantum yield (PLQY) of 75% were
synthesized and then further mixed with polymethyl methacrylate to form flexible scintillators …

Despite remarkable luminescent performance of 0D lead halide perovskites, achieving
highly efficient blue light emission is extremely challenging and crucial for this domain …

Abstract 0D lead‐free metal halides with stimuli‐responsive photoluminescence (PL) have
attracted great attention as promising smart materials for advanced anticounterfeiting and …

Hybrid copper halides have been rapidly developed because of their high
photoluminescence quantum yield (PLQY), good water resistance, and variable structures; …

With the growing safety concerns related to the toxicity of lead halide perovskites, there is an
urgent need for novel lead-free alternatives. Recently, copper halide perovskites (CHPs) …

Organic–inorganic hybrid metal halides are well known for their structural flexibility and high
photoluminescence quantum yield (PLQY), showing great potential for optical applications …