Halide perovskites have become a versatile platform not only for optoelectronic devices but
also for modern optics and nanophotonics. Perovskite nano‐and micro‐particles …

Recently, novel optical information writing strategies have been developed based on
fluorescent change of halide perovskites generated by light induced structural …

The past two decades have seen a drastic progress in the development of semiconducting
metal-halide perovskites (MHPs) from both the fundamentally scientific and technological …

Currently, polymer-dispersed liquid crystal (PDLC) exhibits great potential in anti-
counterfeiting and display device applications, but they still have serious disadvantages of …

Optical physical unclonable functions (PUFs) have been considered as an effective tool for
anti-counterfeiting owing to the uncontrollable manufacturing process and excellent …

Direct laser patterning enables precise tailoring of perovskites at the microscale, which is of
vital importance to a variety of advanced optoelectronic devices. However, thermal ablation …

Anion exchange reaction is a facile postsynthesis approach to modulate the bandgaps of
perovskites to meet the demands in full visible spectrum. However, conventional anion …

Herein, we report a rare earth-free white light emitting composite for applications in solid-
state lighting, which is made up of carbon nitride (CN) and Mn 2+-doped perovskite quantum …

The slow hot-carrier relaxation properties of lead halide perovskites show great promise for
hot-carrier solar cells. Here, we discover that the hot-carrier relaxation could be prolonged …

Multicolor fluorescence of mixed halide perovskites enormously enables their applications in
photonics and optoelectronics. However, it remains an arduous task to obtain multicolor …