Metal halide perovskites are an appealing class of materials for next-generation photovoltaic
applications. The certified power conversion efficiency of lead-perovskite based tandem …

Lead-free halide double perovskites with the formula A2BIBIIIX6, and ordered vacancy
perovskites, with the general formula A2BIVX6 have recently emerged as alternative …

The study on phosphors‐converted white light‐emitting diodes (pc‐WLEDs) using lead‐free
double perovskites (DPs) as single‐component white phosphors is widely concerned …

Rare‐earth based double perovskites (DPs) have attracted much attention due to stable,
efficient, and unique luminescence, and wide applications in many optoelectronic fields …

Base on up/down-conversion luminescence with thermally coupled energy levels, Er 3+-
activated phosphors have been significantly promising in non-contact optical thermometry …

Do** of ns2 metal ions as an energy transfer (ET) bridge can significantly elevate the
photoluminescence properties. Nonetheless, the fundamental influence of ns2 metal ions on …

Self‐trapped excitons (STEs) of lead‐free perovskites have aroused tremendous interest in
remote optical thermometry due to strong exciton–phonon coupling and large Stokes shifts …

The quest for efficient and tunable luminescent materials has been at the forefront of
research in the fields of chemistry and materials science. This work delves into the …

Abstract Herein, we synthesized Cr3+/Ln3+ (Er3+, Tm3+)‐codoped rare earth‐based
Cs2NaScCl6 double perovskite, and the near‐infrared emission of Ln3+ can be excited by …

ABSTRACT Rare earth ions (RE 3+)-doped double perovskites have attracted tremendous
attention for its fascinating optical properties. Nevertheless, RE 3+ generally exhibits poor …