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Inorganic antimony halide hybrids with broad yellow emissions. | LitMetric
Lead halide perovskites exhibit unexceptionable photoelectric properties. However, these materials are unsatisfactory in terms of stability and toxicity. Herein, we report RbSbCl as a new kind of lead free perovskite variants. This material can be easily obtained through hydrothermal reactions. The composition is determined through structure refinement, elemental analysis and X-ray photoelectron spectra. RbSbCl exhibits a broad yellow emission at 560 nm, with a Stokes shift of 175 nm and a photoluminescence quantum yield (PLQY) around 26%. RbSbCl also shows good thermal and water stability due to its inorganic composition. White light-emitting diodes (LEDs) are constructed by combining RbSbCl as yellow phosphors, our previously reported CsSnCl:2.75%Bi as blue phosphors, and commercial UV LED chips as the excitation source, producing a white light with the Commission Internationale de'Eclairage (CIE) color coordinates at (0.39, 0.38).
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